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That distinction matters in Loki: labels are indexed and billed by cardinality, while the log line is searched at query time. evlog labels only ",[546,547,548],"code",{},"service",", ",[546,551,552],{},"environment",", and ",[546,555,556],{},"level"," by default, and leaves everything else — ",[546,559,560],{},"requestId",[546,562,563],{},"path",[546,565,566],{},"user",", your custom fields — in the line, queryable with ",[546,569,570],{},"| json",".",[573,574,577,580,610],"prompt",{":actions":575,"description":576,"icon":179},"[\"copy\",\"cursor\",\"claude\"]","Add the Grafana Loki drain adapter",[527,578,579],{},"Add the Grafana Loki drain adapter to send evlog wide events to Loki.",[581,582,583,587,590,593,596,604,607],"ol",{},[584,585,586],"li",{},"Identify which framework I'm using and follow its evlog integration pattern",[584,588,589],{},"Install evlog if not already installed",[584,591,592],{},"Import createLokiDrain from 'evlog\u002Floki'",[584,594,595],{},"Wire createLokiDrain() into my framework's drain configuration",[584,597,598,599,603],{},"Set LOKI_ENDPOINT (e.g. ",[531,600,601],{"href":601,"rel":602},"http:\u002F\u002Flocalhost:3100",[535],"). 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'evlog\u002Floki'\n","src\u002Findex.ts","typescript","",[546,638,639],{"__ignoreMap":636},[640,641,644,648,652,656,659,662,665,669],"span",{"class":642,"line":643},"line",1,[640,645,647],{"class":646},"s7zQu","import",[640,649,651],{"class":650},"sMK4o"," {",[640,653,655],{"class":654},"sTEyZ"," createLokiDrain",[640,657,658],{"class":650}," }",[640,660,661],{"class":646}," from",[640,663,664],{"class":650}," '",[640,666,668],{"class":667},"sfazB","evlog\u002Floki",[640,670,671],{"class":650},"'\n",[623,673,25],{"id":674},"quick-start",[527,676,677,678,681],{},"Set ",[546,679,680],{},"LOKI_ENDPOINT"," and wire the drain into your framework.",[683,684,685,799,921,1025,1132,1237,1374],"code-group",{},[630,686,689],{"className":632,"code":687,"filename":688,"language":635,"meta":636,"style":636},"\u002F\u002F server\u002Fplugins\u002Fevlog.ts\nimport { createLokiDrain } from 'evlog\u002Floki'\n\nexport default defineNitroPlugin((nitroApp) => {\n  nitroApp.hooks.hook('evlog:drain', createLokiDrain())\n})\n","Nuxt \u002F Nitro",[546,690,691,697,716,723,755,790],{"__ignoreMap":636},[640,692,693],{"class":642,"line":643},[640,694,696],{"class":695},"sHwdD","\u002F\u002F server\u002Fplugins\u002Fevlog.ts\n",[640,698,700,702,704,706,708,710,712,714],{"class":642,"line":699},2,[640,701,647],{"class":646},[640,703,651],{"class":650},[640,705,655],{"class":654},[640,707,658],{"class":650},[640,709,661],{"class":646},[640,711,664],{"class":650},[640,713,668],{"class":667},[640,715,671],{"class":650},[640,717,719],{"class":642,"line":718},3,[640,720,722],{"emptyLinePlaceholder":721},true,"\n",[640,724,726,729,732,736,739,741,745,748,752],{"class":642,"line":725},4,[640,727,728],{"class":646},"export",[640,730,731],{"class":646}," default",[640,733,735],{"class":734},"s2Zo4"," defineNitroPlugin",[640,737,738],{"class":654},"(",[640,740,738],{"class":650},[640,742,744],{"class":743},"sHdIc","nitroApp",[640,746,747],{"class":650},")",[640,749,751],{"class":750},"spNyl"," =>",[640,753,754],{"class":650}," {\n",[640,756,758,761,763,766,768,771,774,777,780,782,785,787],{"class":642,"line":757},5,[640,759,760],{"class":654},"  nitroApp",[640,762,571],{"class":650},[640,764,765],{"class":654},"hooks",[640,767,571],{"class":650},[640,769,770],{"class":734},"hook",[640,772,738],{"class":773},"swJcz",[640,775,776],{"class":650},"'",[640,778,779],{"class":667},"evlog:drain",[640,781,776],{"class":650},[640,783,784],{"class":650},",",[640,786,655],{"class":734},[640,788,789],{"class":773},"())\n",[640,791,793,796],{"class":642,"line":792},6,[640,794,795],{"class":650},"}",[640,797,798],{"class":654},")\n",[630,800,802],{"className":632,"code":801,"filename":260,"language":635,"meta":636,"style":636},"import { Hono } from 'hono'\nimport { evlog } from 'evlog\u002Fhono'\nimport { createLokiDrain } from 'evlog\u002Floki'\n\nconst app = new Hono()\napp.use(evlog({ drain: createLokiDrain() }))\n",[546,803,804,824,844,862,866,885],{"__ignoreMap":636},[640,805,806,808,810,813,815,817,819,822],{"class":642,"line":643},[640,807,647],{"class":646},[640,809,651],{"class":650},[640,811,812],{"class":654}," Hono",[640,814,658],{"class":650},[640,816,661],{"class":646},[640,818,664],{"class":650},[640,820,821],{"class":667},"hono",[640,823,671],{"class":650},[640,825,826,828,830,833,835,837,839,842],{"class":642,"line":699},[640,827,647],{"class":646},[640,829,651],{"class":650},[640,831,832],{"class":654}," evlog",[640,834,658],{"class":650},[640,836,661],{"class":646},[640,838,664],{"class":650},[640,840,841],{"class":667},"evlog\u002Fhono",[640,843,671],{"class":650},[640,845,846,848,850,852,854,856,858,860],{"class":642,"line":718},[640,847,647],{"class":646},[640,849,651],{"class":650},[640,851,655],{"class":654},[640,853,658],{"class":650},[640,855,661],{"class":646},[640,857,664],{"class":650},[640,859,668],{"class":667},[640,861,671],{"class":650},[640,863,864],{"class":642,"line":725},[640,865,722],{"emptyLinePlaceholder":721},[640,867,868,871,874,877,880,882],{"class":642,"line":757},[640,869,870],{"class":750},"const",[640,872,873],{"class":654}," app ",[640,875,876],{"class":650},"=",[640,878,879],{"class":650}," new",[640,881,812],{"class":734},[640,883,884],{"class":654},"()\n",[640,886,887,890,892,895,897,900,902,905,908,911,913,916,918],{"class":642,"line":792},[640,888,889],{"class":654},"app",[640,891,571],{"class":650},[640,893,894],{"class":734},"use",[640,896,738],{"class":654},[640,898,899],{"class":734},"evlog",[640,901,738],{"class":654},[640,903,904],{"class":650},"{",[640,906,907],{"class":773}," drain",[640,909,910],{"class":650},":",[640,912,655],{"class":734},[640,914,915],{"class":654},"() ",[640,917,795],{"class":650},[640,919,920],{"class":654},"))\n",[630,922,924],{"className":632,"code":923,"filename":255,"language":635,"meta":636,"style":636},"import express from 'express'\nimport { evlog } from 'evlog\u002Fexpress'\nimport { createLokiDrain } from 'evlog\u002Floki'\n\nconst app = express()\napp.use(evlog({ drain: createLokiDrain() }))\n",[546,925,926,943,962,980,984,997],{"__ignoreMap":636},[640,927,928,930,933,936,938,941],{"class":642,"line":643},[640,929,647],{"class":646},[640,931,932],{"class":654}," express ",[640,934,935],{"class":646},"from",[640,937,664],{"class":650},[640,939,940],{"class":667},"express",[640,942,671],{"class":650},[640,944,945,947,949,951,953,955,957,960],{"class":642,"line":699},[640,946,647],{"class":646},[640,948,651],{"class":650},[640,950,832],{"class":654},[640,952,658],{"class":650},[640,954,661],{"class":646},[640,956,664],{"class":650},[640,958,959],{"class":667},"evlog\u002Fexpress",[640,961,671],{"class":650},[640,963,964,966,968,970,972,974,976,978],{"class":642,"line":718},[640,965,647],{"class":646},[640,967,651],{"class":650},[640,969,655],{"class":654},[640,971,658],{"class":650},[640,973,661],{"class":646},[640,975,664],{"class":650},[640,977,668],{"class":667},[640,979,671],{"class":650},[640,981,982],{"class":642,"line":725},[640,983,722],{"emptyLinePlaceholder":721},[640,985,986,988,990,992,995],{"class":642,"line":757},[640,987,870],{"class":750},[640,989,873],{"class":654},[640,991,876],{"class":650},[640,993,994],{"class":734}," express",[640,996,884],{"class":654},[640,998,999,1001,1003,1005,1007,1009,1011,1013,1015,1017,1019,1021,1023],{"class":642,"line":792},[640,1000,889],{"class":654},[640,1002,571],{"class":650},[640,1004,894],{"class":734},[640,1006,738],{"class":654},[640,1008,899],{"class":734},[640,1010,738],{"class":654},[640,1012,904],{"class":650},[640,1014,907],{"class":773},[640,1016,910],{"class":650},[640,1018,655],{"class":734},[640,1020,915],{"class":654},[640,1022,795],{"class":650},[640,1024,920],{"class":654},[630,1026,1028],{"className":632,"code":1027,"filename":265,"language":635,"meta":636,"style":636},"import Fastify from 'fastify'\nimport { evlog } from 'evlog\u002Ffastify'\nimport { createLokiDrain } from 'evlog\u002Floki'\n\nconst app = Fastify()\nawait app.register(evlog, { drain: createLokiDrain() })\n",[546,1029,1030,1046,1065,1083,1087,1100],{"__ignoreMap":636},[640,1031,1032,1034,1037,1039,1041,1044],{"class":642,"line":643},[640,1033,647],{"class":646},[640,1035,1036],{"class":654}," Fastify ",[640,1038,935],{"class":646},[640,1040,664],{"class":650},[640,1042,1043],{"class":667},"fastify",[640,1045,671],{"class":650},[640,1047,1048,1050,1052,1054,1056,1058,1060,1063],{"class":642,"line":699},[640,1049,647],{"class":646},[640,1051,651],{"class":650},[640,1053,832],{"class":654},[640,1055,658],{"class":650},[640,1057,661],{"class":646},[640,1059,664],{"class":650},[640,1061,1062],{"class":667},"evlog\u002Ffastify",[640,1064,671],{"class":650},[640,1066,1067,1069,1071,1073,1075,1077,1079,1081],{"class":642,"line":718},[640,1068,647],{"class":646},[640,1070,651],{"class":650},[640,1072,655],{"class":654},[640,1074,658],{"class":650},[640,1076,661],{"class":646},[640,1078,664],{"class":650},[640,1080,668],{"class":667},[640,1082,671],{"class":650},[640,1084,1085],{"class":642,"line":725},[640,1086,722],{"emptyLinePlaceholder":721},[640,1088,1089,1091,1093,1095,1098],{"class":642,"line":757},[640,1090,870],{"class":750},[640,1092,873],{"class":654},[640,1094,876],{"class":650},[640,1096,1097],{"class":734}," Fastify",[640,1099,884],{"class":654},[640,1101,1102,1105,1108,1110,1113,1116,1118,1120,1122,1124,1126,1128,1130],{"class":642,"line":792},[640,1103,1104],{"class":646},"await",[640,1106,1107],{"class":654}," app",[640,1109,571],{"class":650},[640,1111,1112],{"class":734},"register",[640,1114,1115],{"class":654},"(evlog",[640,1117,784],{"class":650},[640,1119,651],{"class":650},[640,1121,907],{"class":773},[640,1123,910],{"class":650},[640,1125,655],{"class":734},[640,1127,915],{"class":654},[640,1129,795],{"class":650},[640,1131,798],{"class":654},[630,1133,1135],{"className":632,"code":1134,"filename":270,"language":635,"meta":636,"style":636},"import { Elysia } from 'elysia'\nimport { evlog } from 'evlog\u002Felysia'\nimport { createLokiDrain } from 'evlog\u002Floki'\n\nconst app = new Elysia().use(evlog({ drain: createLokiDrain() }))\n",[546,1136,1137,1157,1176,1194,1198],{"__ignoreMap":636},[640,1138,1139,1141,1143,1146,1148,1150,1152,1155],{"class":642,"line":643},[640,1140,647],{"class":646},[640,1142,651],{"class":650},[640,1144,1145],{"class":654}," Elysia",[640,1147,658],{"class":650},[640,1149,661],{"class":646},[640,1151,664],{"class":650},[640,1153,1154],{"class":667},"elysia",[640,1156,671],{"class":650},[640,1158,1159,1161,1163,1165,1167,1169,1171,1174],{"class":642,"line":699},[640,1160,647],{"class":646},[640,1162,651],{"class":650},[640,1164,832],{"class":654},[640,1166,658],{"class":650},[640,1168,661],{"class":646},[640,1170,664],{"class":650},[640,1172,1173],{"class":667},"evlog\u002Felysia",[640,1175,671],{"class":650},[640,1177,1178,1180,1182,1184,1186,1188,1190,1192],{"class":642,"line":718},[640,1179,647],{"class":646},[640,1181,651],{"class":650},[640,1183,655],{"class":654},[640,1185,658],{"class":650},[640,1187,661],{"class":646},[640,1189,664],{"class":650},[640,1191,668],{"class":667},[640,1193,671],{"class":650},[640,1195,1196],{"class":642,"line":725},[640,1197,722],{"emptyLinePlaceholder":721},[640,1199,1200,1202,1204,1206,1208,1210,1213,1215,1217,1219,1221,1223,1225,1227,1229,1231,1233,1235],{"class":642,"line":757},[640,1201,870],{"class":750},[640,1203,873],{"class":654},[640,1205,876],{"class":650},[640,1207,879],{"class":650},[640,1209,1145],{"class":734},[640,1211,1212],{"class":654},"()",[640,1214,571],{"class":650},[640,1216,894],{"class":734},[640,1218,738],{"class":654},[640,1220,899],{"class":734},[640,1222,738],{"class":654},[640,1224,904],{"class":650},[640,1226,907],{"class":773},[640,1228,910],{"class":650},[640,1230,655],{"class":734},[640,1232,915],{"class":654},[640,1234,795],{"class":650},[640,1236,920],{"class":654},[630,1238,1240],{"className":632,"code":1239,"filename":250,"language":635,"meta":636,"style":636},"import { Module } from '@nestjs\u002Fcommon'\nimport { EvlogModule } from 'evlog\u002Fnestjs'\nimport { createLokiDrain } from 'evlog\u002Floki'\n\n@Module({\n  imports: [EvlogModule.forRoot({ drain: createLokiDrain() })],\n})\nexport class AppModule {}\n",[546,1241,1242,1262,1282,1300,1304,1317,1352,1359],{"__ignoreMap":636},[640,1243,1244,1246,1248,1251,1253,1255,1257,1260],{"class":642,"line":643},[640,1245,647],{"class":646},[640,1247,651],{"class":650},[640,1249,1250],{"class":654}," Module",[640,1252,658],{"class":650},[640,1254,661],{"class":646},[640,1256,664],{"class":650},[640,1258,1259],{"class":667},"@nestjs\u002Fcommon",[640,1261,671],{"class":650},[640,1263,1264,1266,1268,1271,1273,1275,1277,1280],{"class":642,"line":699},[640,1265,647],{"class":646},[640,1267,651],{"class":650},[640,1269,1270],{"class":654}," EvlogModule",[640,1272,658],{"class":650},[640,1274,661],{"class":646},[640,1276,664],{"class":650},[640,1278,1279],{"class":667},"evlog\u002Fnestjs",[640,1281,671],{"class":650},[640,1283,1284,1286,1288,1290,1292,1294,1296,1298],{"class":642,"line":718},[640,1285,647],{"class":646},[640,1287,651],{"class":650},[640,1289,655],{"class":654},[640,1291,658],{"class":650},[640,1293,661],{"class":646},[640,1295,664],{"class":650},[640,1297,668],{"class":667},[640,1299,671],{"class":650},[640,1301,1302],{"class":642,"line":725},[640,1303,722],{"emptyLinePlaceholder":721},[640,1305,1306,1309,1312,1314],{"class":642,"line":757},[640,1307,1308],{"class":650},"@",[640,1310,1311],{"class":734},"Module",[640,1313,738],{"class":654},[640,1315,1316],{"class":650},"{\n",[640,1318,1319,1322,1324,1327,1329,1332,1334,1336,1338,1340,1342,1344,1346,1349],{"class":642,"line":792},[640,1320,1321],{"class":773},"  imports",[640,1323,910],{"class":650},[640,1325,1326],{"class":654}," [EvlogModule",[640,1328,571],{"class":650},[640,1330,1331],{"class":734},"forRoot",[640,1333,738],{"class":654},[640,1335,904],{"class":650},[640,1337,907],{"class":773},[640,1339,910],{"class":650},[640,1341,655],{"class":734},[640,1343,915],{"class":654},[640,1345,795],{"class":650},[640,1347,1348],{"class":654},")]",[640,1350,1351],{"class":650},",\n",[640,1353,1355,1357],{"class":642,"line":1354},7,[640,1356,795],{"class":650},[640,1358,798],{"class":654},[640,1360,1362,1364,1367,1371],{"class":642,"line":1361},8,[640,1363,728],{"class":646},[640,1365,1366],{"class":750}," class",[640,1368,1370],{"class":1369},"sBMFI"," AppModule",[640,1372,1373],{"class":650}," {}\n",[630,1375,1377],{"className":632,"code":1376,"filename":285,"language":635,"meta":636,"style":636},"import { initLogger } from 'evlog'\nimport { createLokiDrain } from 'evlog\u002Floki'\n\ninitLogger({\n  env: { service: 'my-app' },\n  drain: createLokiDrain(),\n})\n",[546,1378,1379,1398,1416,1420,1429,1453,1466],{"__ignoreMap":636},[640,1380,1381,1383,1385,1388,1390,1392,1394,1396],{"class":642,"line":643},[640,1382,647],{"class":646},[640,1384,651],{"class":650},[640,1386,1387],{"class":654}," initLogger",[640,1389,658],{"class":650},[640,1391,661],{"class":646},[640,1393,664],{"class":650},[640,1395,899],{"class":667},[640,1397,671],{"class":650},[640,1399,1400,1402,1404,1406,1408,1410,1412,1414],{"class":642,"line":699},[640,1401,647],{"class":646},[640,1403,651],{"class":650},[640,1405,655],{"class":654},[640,1407,658],{"class":650},[640,1409,661],{"class":646},[640,1411,664],{"class":650},[640,1413,668],{"class":667},[640,1415,671],{"class":650},[640,1417,1418],{"class":642,"line":718},[640,1419,722],{"emptyLinePlaceholder":721},[640,1421,1422,1425,1427],{"class":642,"line":725},[640,1423,1424],{"class":734},"initLogger",[640,1426,738],{"class":654},[640,1428,1316],{"class":650},[640,1430,1431,1434,1436,1438,1441,1443,1445,1448,1450],{"class":642,"line":757},[640,1432,1433],{"class":773},"  env",[640,1435,910],{"class":650},[640,1437,651],{"class":650},[640,1439,1440],{"class":773}," service",[640,1442,910],{"class":650},[640,1444,664],{"class":650},[640,1446,1447],{"class":667},"my-app",[640,1449,776],{"class":650},[640,1451,1452],{"class":650}," },\n",[640,1454,1455,1458,1460,1462,1464],{"class":642,"line":792},[640,1456,1457],{"class":773},"  drain",[640,1459,910],{"class":650},[640,1461,655],{"class":734},[640,1463,1212],{"class":654},[640,1465,1351],{"class":650},[640,1467,1468,1470],{"class":642,"line":1354},[640,1469,795],{"class":650},[640,1471,798],{"class":654},[623,1473,495],{"id":1474},"configuration",[1476,1477,1479],"h3",{"id":1478},"environment-variables","Environment variables",[1481,1482,1483,1499],"table",{},[1484,1485,1486],"thead",{},[1487,1488,1489,1493,1496],"tr",{},[1490,1491,1492],"th",{},"Variable",[1490,1494,1495],{},"Required",[1490,1497,1498],{},"Description",[1500,1501,1502,1519,1539,1553],"tbody",{},[1487,1503,1504,1509,1512],{},[1505,1506,1507],"td",{},[546,1508,680],{},[1505,1510,1511],{},"Yes",[1505,1513,1514,1515,1518],{},"Base URL of the Loki instance, without the push path (",[546,1516,1517],{},"LOKI_URL"," also accepted)",[1487,1520,1521,1526,1529],{},[1505,1522,1523],{},[546,1524,1525],{},"LOKI_API_KEY",[1505,1527,1528],{},"No",[1505,1530,1531,1532,1535,1536,1518],{},"API token. Sent as Basic with ",[546,1533,1534],{},"LOKI_USER",", otherwise as Bearer (",[546,1537,1538],{},"GRAFANA_API_KEY",[1487,1540,1541,1545,1547],{},[1505,1542,1543],{},[546,1544,1534],{},[1505,1546,1528],{},[1505,1548,1549,1550,1518],{},"Grafana Cloud instance ID. Switches auth to Basic (",[546,1551,1552],{},"GRAFANA_USER",[1487,1554,1555,1560,1562],{},[1505,1556,1557],{},[546,1558,1559],{},"LOKI_TENANT_ID",[1505,1561,1528],{},[1505,1563,1564,1565],{},"Tenant for multi-tenant self-hosted Loki, sent as ",[546,1566,1567],{},"X-Scope-OrgID",[1476,1569,1571],{"id":1570},"priority","Priority",[527,1573,1574],{},"Configuration is resolved highest to lowest:",[581,1576,1577,1583,1589,1594],{},[584,1578,1579,1580],{},"Overrides passed to ",[546,1581,1582],{},"createLokiDrain()",[584,1584,1585,1588],{},[546,1586,1587],{},"runtimeConfig.evlog.loki"," (Nitro)",[584,1590,1591,1588],{},[546,1592,1593],{},"runtimeConfig.loki",[584,1595,1479],{},[1476,1597,331],{"id":1598},"options",[1481,1600,1601,1616],{},[1484,1602,1603],{},[1487,1604,1605,1608,1611,1614],{},[1490,1606,1607],{},"Option",[1490,1609,1610],{},"Type",[1490,1612,1613],{},"Default",[1490,1615,1498],{},[1500,1617,1618,1639,1655,1670,1688,1708,1725,1745],{},[1487,1619,1620,1625,1630,1633],{},[1505,1621,1622],{},[546,1623,1624],{},"endpoint",[1505,1626,1627],{},[546,1628,1629],{},"string",[1505,1631,1632],{},"—",[1505,1634,1635,1636],{},"Base URL, without ",[546,1637,1638],{},"\u002Floki\u002Fapi\u002Fv1\u002Fpush",[1487,1640,1641,1646,1650,1652],{},[1505,1642,1643],{},[546,1644,1645],{},"apiKey",[1505,1647,1648],{},[546,1649,1629],{},[1505,1651,1632],{},[1505,1653,1654],{},"API token",[1487,1656,1657,1661,1665,1667],{},[1505,1658,1659],{},[546,1660,566],{},[1505,1662,1663],{},[546,1664,1629],{},[1505,1666,1632],{},[1505,1668,1669],{},"Grafana Cloud instance ID (enables Basic auth)",[1487,1671,1672,1677,1681,1683],{},[1505,1673,1674],{},[546,1675,1676],{},"tenantId",[1505,1678,1679],{},[546,1680,1629],{},[1505,1682,1632],{},[1505,1684,1685,1687],{},[546,1686,1567],{}," for multi-tenant Loki",[1487,1689,1690,1695,1700,1705],{},[1505,1691,1692],{},[546,1693,1694],{},"labelFields",[1505,1696,1697],{},[546,1698,1699],{},"string[]",[1505,1701,1702],{},[546,1703,1704],{},"['service', 'environment', 'level']",[1505,1706,1707],{},"Event fields promoted to Loki labels",[1487,1709,1710,1715,1720,1722],{},[1505,1711,1712],{},[546,1713,1714],{},"labels",[1505,1716,1717],{},[546,1718,1719],{},"Record\u003Cstring, string>",[1505,1721,1632],{},[1505,1723,1724],{},"Static labels merged into every stream",[1487,1726,1727,1732,1737,1742],{},[1505,1728,1729],{},[546,1730,1731],{},"timeout",[1505,1733,1734],{},[546,1735,1736],{},"number",[1505,1738,1739],{},[546,1740,1741],{},"5000",[1505,1743,1744],{},"Request timeout in ms",[1487,1746,1747,1752,1756,1761],{},[1505,1748,1749],{},[546,1750,1751],{},"retries",[1505,1753,1754],{},[546,1755,1736],{},[1505,1757,1758],{},[546,1759,1760],{},"2",[1505,1762,1763],{},"Retry attempts on transient failures",[623,1765,1767],{"id":1766},"deployment","Deployment",[527,1769,1770],{},"Loki runs either way, and the adapter is the same in both cases — only\nauthentication differs.",[1476,1772,1774],{"id":1773},"self-hosted","Self-hosted",[527,1776,1777],{},"A single-tenant instance needs nothing but the endpoint:",[630,1779,1782],{"className":632,"code":1780,"filename":1781,"language":635,"meta":636,"style":636},"createLokiDrain({ endpoint: 'http:\u002F\u002Flocalhost:3100' })\n","server\u002Fplugins\u002Fevlog.ts",[546,1783,1784],{"__ignoreMap":636},[640,1785,1786,1789,1791,1793,1796,1798,1800,1802,1804,1806],{"class":642,"line":643},[640,1787,1788],{"class":734},"createLokiDrain",[640,1790,738],{"class":654},[640,1792,904],{"class":650},[640,1794,1795],{"class":773}," endpoint",[640,1797,910],{"class":650},[640,1799,664],{"class":650},[640,1801,601],{"class":667},[640,1803,776],{"class":650},[640,1805,658],{"class":650},[640,1807,798],{"class":654},[630,1809,1814],{"className":1810,"code":1811,"filename":1812,"language":1813,"meta":636,"style":636},"language-bash shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","LOKI_ENDPOINT=http:\u002F\u002Flocalhost:3100\n",".env","bash",[546,1815,1816],{"__ignoreMap":636},[640,1817,1818,1820,1822],{"class":642,"line":643},[640,1819,680],{"class":654},[640,1821,876],{"class":650},[640,1823,1824],{"class":667},"http:\u002F\u002Flocalhost:3100\n",[527,1826,1827,1828,1831,1832,910],{},"For a ",[541,1829,1830],{},"multi-tenant"," deployment, name the tenant — it is sent as ",[546,1833,1567],{},[630,1835,1837],{"className":632,"code":1836,"filename":1781,"language":635,"meta":636,"style":636},"createLokiDrain({\n  endpoint: 'http:\u002F\u002Floki.internal:3100',\n  tenantId: 'team-checkout',\n})\n",[546,1838,1839,1847,1863,1879],{"__ignoreMap":636},[640,1840,1841,1843,1845],{"class":642,"line":643},[640,1842,1788],{"class":734},[640,1844,738],{"class":654},[640,1846,1316],{"class":650},[640,1848,1849,1852,1854,1856,1859,1861],{"class":642,"line":699},[640,1850,1851],{"class":773},"  endpoint",[640,1853,910],{"class":650},[640,1855,664],{"class":650},[640,1857,1858],{"class":667},"http:\u002F\u002Floki.internal:3100",[640,1860,776],{"class":650},[640,1862,1351],{"class":650},[640,1864,1865,1868,1870,1872,1875,1877],{"class":642,"line":718},[640,1866,1867],{"class":773},"  tenantId",[640,1869,910],{"class":650},[640,1871,664],{"class":650},[640,1873,1874],{"class":667},"team-checkout",[640,1876,776],{"class":650},[640,1878,1351],{"class":650},[640,1880,1881,1883],{"class":642,"line":725},[640,1882,795],{"class":650},[640,1884,798],{"class":654},[630,1886,1888],{"className":1810,"code":1887,"filename":1812,"language":1813,"meta":636,"style":636},"LOKI_ENDPOINT=http:\u002F\u002Floki.internal:3100\nLOKI_TENANT_ID=team-checkout\n",[546,1889,1890,1899],{"__ignoreMap":636},[640,1891,1892,1894,1896],{"class":642,"line":643},[640,1893,680],{"class":654},[640,1895,876],{"class":650},[640,1897,1898],{"class":667},"http:\u002F\u002Floki.internal:3100\n",[640,1900,1901,1903,1905],{"class":642,"line":699},[640,1902,1559],{"class":654},[640,1904,876],{"class":650},[640,1906,1907],{"class":667},"team-checkout\n",[527,1909,1910,1911,1913,1914,571],{},"If your instance sits behind an authenticating proxy, ",[546,1912,1645],{}," alone is sent as\n",[546,1915,1916],{},"Authorization: Bearer",[1476,1918,1920],{"id":1919},"grafana-cloud","Grafana Cloud",[527,1922,1923,1924,1927],{},"Grafana Cloud authenticates with your ",[541,1925,1926],{},"instance ID"," plus an access policy\ntoken, sent together as HTTP Basic:",[630,1929,1931],{"className":632,"code":1930,"filename":1781,"language":635,"meta":636,"style":636},"createLokiDrain({\n  endpoint: 'https:\u002F\u002Flogs-prod-eu-west-0.grafana.net',\n  user: '123456',\n  apiKey: process.env.GRAFANA_API_KEY,\n})\n",[546,1932,1933,1941,1956,1972,1993],{"__ignoreMap":636},[640,1934,1935,1937,1939],{"class":642,"line":643},[640,1936,1788],{"class":734},[640,1938,738],{"class":654},[640,1940,1316],{"class":650},[640,1942,1943,1945,1947,1949,1952,1954],{"class":642,"line":699},[640,1944,1851],{"class":773},[640,1946,910],{"class":650},[640,1948,664],{"class":650},[640,1950,1951],{"class":667},"https:\u002F\u002Flogs-prod-eu-west-0.grafana.net",[640,1953,776],{"class":650},[640,1955,1351],{"class":650},[640,1957,1958,1961,1963,1965,1968,1970],{"class":642,"line":718},[640,1959,1960],{"class":773},"  user",[640,1962,910],{"class":650},[640,1964,664],{"class":650},[640,1966,1967],{"class":667},"123456",[640,1969,776],{"class":650},[640,1971,1351],{"class":650},[640,1973,1974,1977,1979,1982,1984,1987,1989,1991],{"class":642,"line":725},[640,1975,1976],{"class":773},"  apiKey",[640,1978,910],{"class":650},[640,1980,1981],{"class":654}," process",[640,1983,571],{"class":650},[640,1985,1986],{"class":654},"env",[640,1988,571],{"class":650},[640,1990,1538],{"class":654},[640,1992,1351],{"class":650},[640,1994,1995,1997],{"class":642,"line":757},[640,1996,795],{"class":650},[640,1998,798],{"class":654},[630,2000,2002],{"className":1810,"code":2001,"filename":1812,"language":1813,"meta":636,"style":636},"LOKI_ENDPOINT=https:\u002F\u002Flogs-prod-eu-west-0.grafana.net\nLOKI_USER=123456\nLOKI_API_KEY=glc_xxx\n",[546,2003,2004,2013,2022],{"__ignoreMap":636},[640,2005,2006,2008,2010],{"class":642,"line":643},[640,2007,680],{"class":654},[640,2009,876],{"class":650},[640,2011,2012],{"class":667},"https:\u002F\u002Flogs-prod-eu-west-0.grafana.net\n",[640,2014,2015,2017,2019],{"class":642,"line":699},[640,2016,1534],{"class":654},[640,2018,876],{"class":650},[640,2020,2021],{"class":667},"123456\n",[640,2023,2024,2026,2028],{"class":642,"line":718},[640,2025,1525],{"class":654},[640,2027,876],{"class":650},[640,2029,2030],{"class":667},"glc_xxx\n",[2032,2033,2035,2037,2038,2041,2042,2046,2047,571],"callout",{"color":2034,"icon":13},"info",[546,2036,566],{}," is the ",[541,2039,2040],{},"numeric instance ID"," of the Loki datasource — find it under\n",[2043,2044,2045],"em",{},"Connections → Data sources → Loki"," in your Grafana Cloud stack. It is not your\naccount email. Using the wrong value is the usual cause of a ",[546,2048,2049],{},"401",[1476,2051,2053],{"id":2052},"which-auth-applies","Which auth applies",[1481,2055,2056,2075],{},[1484,2057,2058],{},[1487,2059,2060,2064,2068,2072],{},[1490,2061,2062],{},[546,2063,566],{},[1490,2065,2066],{},[546,2067,1645],{},[1490,2069,2070],{},[546,2071,1676],{},[1490,2073,2074],{},"Header sent",[1500,2076,2077,2091,2104,2117],{},[1487,2078,2079,2082,2084,2086],{},[1505,2080,2081],{},"✓",[1505,2083,2081],{},[1505,2085],{},[1505,2087,2088],{},[546,2089,2090],{},"Authorization: Basic base64(user:apiKey)",[1487,2092,2093,2095,2097,2099],{},[1505,2094],{},[1505,2096,2081],{},[1505,2098],{},[1505,2100,2101],{},[546,2102,2103],{},"Authorization: Bearer \u003CapiKey>",[1487,2105,2106,2108,2110,2112],{},[1505,2107],{},[1505,2109],{},[1505,2111,2081],{},[1505,2113,2114],{},[546,2115,2116],{},"X-Scope-OrgID: \u003CtenantId>",[1487,2118,2119,2121,2123,2125],{},[1505,2120],{},[1505,2122],{},[1505,2124],{},[1505,2126,2127],{},"none — unauthenticated instance",[527,2129,2130,2132],{},[546,2131,1676],{}," is independent and can be combined with either auth mode.",[623,2134,2136],{"id":2135},"labels-and-cardinality","Labels and cardinality",[2032,2138,2141,2142,2144,2145,2148],{"color":2139,"icon":2140},"warning","i-lucide-triangle-alert","Never promote a high-cardinality field to a label. Loki creates one stream per unique label combination — labelling ",[546,2143,560],{}," or ",[546,2146,2147],{},"userId"," will create millions of streams and degrade or break your instance.",[527,2150,2151],{},"Add a label only for values you filter on and that have a bounded set:",[630,2153,2155],{"className":632,"code":2154,"filename":1781,"language":635,"meta":636,"style":636},"createLokiDrain({\n  \u002F\u002F `region` has a handful of values — safe\n  labelFields: ['service', 'environment', 'level', 'region'],\n  \u002F\u002F Static labels for everything in this deployment\n  labels: { cluster: 'prod-eu' },\n})\n",[546,2156,2157,2165,2170,2216,2221,2244],{"__ignoreMap":636},[640,2158,2159,2161,2163],{"class":642,"line":643},[640,2160,1788],{"class":734},[640,2162,738],{"class":654},[640,2164,1316],{"class":650},[640,2166,2167],{"class":642,"line":699},[640,2168,2169],{"class":695},"  \u002F\u002F `region` has a handful of values — safe\n",[640,2171,2172,2175,2177,2180,2182,2184,2186,2188,2190,2192,2194,2196,2198,2200,2202,2204,2206,2209,2211,2214],{"class":642,"line":718},[640,2173,2174],{"class":773},"  labelFields",[640,2176,910],{"class":650},[640,2178,2179],{"class":654}," [",[640,2181,776],{"class":650},[640,2183,548],{"class":667},[640,2185,776],{"class":650},[640,2187,784],{"class":650},[640,2189,664],{"class":650},[640,2191,552],{"class":667},[640,2193,776],{"class":650},[640,2195,784],{"class":650},[640,2197,664],{"class":650},[640,2199,556],{"class":667},[640,2201,776],{"class":650},[640,2203,784],{"class":650},[640,2205,664],{"class":650},[640,2207,2208],{"class":667},"region",[640,2210,776],{"class":650},[640,2212,2213],{"class":654},"]",[640,2215,1351],{"class":650},[640,2217,2218],{"class":642,"line":725},[640,2219,2220],{"class":695},"  \u002F\u002F Static labels for everything in this deployment\n",[640,2222,2223,2226,2228,2230,2233,2235,2237,2240,2242],{"class":642,"line":757},[640,2224,2225],{"class":773},"  labels",[640,2227,910],{"class":650},[640,2229,651],{"class":650},[640,2231,2232],{"class":773}," cluster",[640,2234,910],{"class":650},[640,2236,664],{"class":650},[640,2238,2239],{"class":667},"prod-eu",[640,2241,776],{"class":650},[640,2243,1452],{"class":650},[640,2245,2246,2248],{"class":642,"line":792},[640,2247,795],{"class":650},[640,2249,798],{"class":654},[527,2251,2252],{},"Everything else stays in the JSON line and is fully queryable — see below.",[623,2254,2256],{"id":2255},"querying-in-grafana","Querying in Grafana",[527,2258,2259,2260,910],{},"Filter by label, then reach into the wide event with ",[546,2261,570],{},[630,2263,2267],{"className":2264,"code":2265,"language":2266,"meta":636,"style":636},"language-logql shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","{service=\"checkout\", environment=\"production\"}\n  | json\n  | status >= 500\n","logql",[546,2268,2269,2274,2279],{"__ignoreMap":636},[640,2270,2271],{"class":642,"line":643},[640,2272,2273],{},"{service=\"checkout\", environment=\"production\"}\n",[640,2275,2276],{"class":642,"line":699},[640,2277,2278],{},"  | json\n",[640,2280,2281],{"class":642,"line":718},[640,2282,2283],{},"  | status >= 500\n",[630,2285,2287],{"className":2264,"code":2286,"language":2266,"meta":636,"style":636},"# Slow requests on one route\n{service=\"checkout\"} | json | path=\"\u002Fapi\u002Forders\" | duration_ms > 1000\n",[546,2288,2289,2294],{"__ignoreMap":636},[640,2290,2291],{"class":642,"line":643},[640,2292,2293],{},"# Slow requests on one route\n",[640,2295,2296],{"class":642,"line":699},[640,2297,2298],{},"{service=\"checkout\"} | json | path=\"\u002Fapi\u002Forders\" | duration_ms > 1000\n",[630,2300,2302],{"className":2264,"code":2301,"language":2266,"meta":636,"style":636},"# One request end to end\n{service=\"checkout\"} | json | requestId=\"4a8ff3a8-...\"\n",[546,2303,2304,2309],{"__ignoreMap":636},[640,2305,2306],{"class":642,"line":643},[640,2307,2308],{},"# One request end to end\n",[640,2310,2311],{"class":642,"line":699},[640,2312,2313],{},"{service=\"checkout\"} | json | requestId=\"4a8ff3a8-...\"\n",[630,2315,2317],{"className":2264,"code":2316,"language":2266,"meta":636,"style":636},"# Error rate per service\nsum by (service) (rate({environment=\"production\", level=\"error\"}[5m]))\n",[546,2318,2319,2324],{"__ignoreMap":636},[640,2320,2321],{"class":642,"line":643},[640,2322,2323],{},"# Error rate per service\n",[640,2325,2326],{"class":642,"line":699},[640,2327,2328],{},"sum by (service) (rate({environment=\"production\", level=\"error\"}[5m]))\n",[623,2330,2332],{"id":2331},"batching","Batching",[527,2334,2335],{},"Pair the drain with a pipeline to push in batches rather than per request:",[630,2337,2339],{"className":632,"code":2338,"filename":1781,"language":635,"meta":636,"style":636},"import { createDrainPipeline } from 'evlog\u002Fpipeline'\nimport { createLokiDrain } from 'evlog\u002Floki'\nimport type { DrainContext } from 'evlog'\n\nconst pipeline = createDrainPipeline\u003CDrainContext>({\n  batch: { size: 100, intervalMs: 5000 },\n})\n\nexport default defineNitroPlugin((nitroApp) => {\n  nitroApp.hooks.hook('evlog:drain', pipeline(createLokiDrain()))\n})\n",[546,2340,2341,2361,2379,2401,2405,2429,2459,2465,2469,2490,2523],{"__ignoreMap":636},[640,2342,2343,2345,2347,2350,2352,2354,2356,2359],{"class":642,"line":643},[640,2344,647],{"class":646},[640,2346,651],{"class":650},[640,2348,2349],{"class":654}," createDrainPipeline",[640,2351,658],{"class":650},[640,2353,661],{"class":646},[640,2355,664],{"class":650},[640,2357,2358],{"class":667},"evlog\u002Fpipeline",[640,2360,671],{"class":650},[640,2362,2363,2365,2367,2369,2371,2373,2375,2377],{"class":642,"line":699},[640,2364,647],{"class":646},[640,2366,651],{"class":650},[640,2368,655],{"class":654},[640,2370,658],{"class":650},[640,2372,661],{"class":646},[640,2374,664],{"class":650},[640,2376,668],{"class":667},[640,2378,671],{"class":650},[640,2380,2381,2383,2386,2388,2391,2393,2395,2397,2399],{"class":642,"line":718},[640,2382,647],{"class":646},[640,2384,2385],{"class":646}," type",[640,2387,651],{"class":650},[640,2389,2390],{"class":654}," DrainContext",[640,2392,658],{"class":650},[640,2394,661],{"class":646},[640,2396,664],{"class":650},[640,2398,899],{"class":667},[640,2400,671],{"class":650},[640,2402,2403],{"class":642,"line":725},[640,2404,722],{"emptyLinePlaceholder":721},[640,2406,2407,2409,2412,2414,2416,2419,2422,2425,2427],{"class":642,"line":757},[640,2408,870],{"class":750},[640,2410,2411],{"class":654}," pipeline ",[640,2413,876],{"class":650},[640,2415,2349],{"class":734},[640,2417,2418],{"class":650},"\u003C",[640,2420,2421],{"class":1369},"DrainContext",[640,2423,2424],{"class":650},">",[640,2426,738],{"class":654},[640,2428,1316],{"class":650},[640,2430,2431,2434,2436,2438,2441,2443,2447,2449,2452,2454,2457],{"class":642,"line":792},[640,2432,2433],{"class":773},"  batch",[640,2435,910],{"class":650},[640,2437,651],{"class":650},[640,2439,2440],{"class":773}," size",[640,2442,910],{"class":650},[640,2444,2446],{"class":2445},"sbssI"," 100",[640,2448,784],{"class":650},[640,2450,2451],{"class":773}," intervalMs",[640,2453,910],{"class":650},[640,2455,2456],{"class":2445}," 5000",[640,2458,1452],{"class":650},[640,2460,2461,2463],{"class":642,"line":1354},[640,2462,795],{"class":650},[640,2464,798],{"class":654},[640,2466,2467],{"class":642,"line":1361},[640,2468,722],{"emptyLinePlaceholder":721},[640,2470,2472,2474,2476,2478,2480,2482,2484,2486,2488],{"class":642,"line":2471},9,[640,2473,728],{"class":646},[640,2475,731],{"class":646},[640,2477,735],{"class":734},[640,2479,738],{"class":654},[640,2481,738],{"class":650},[640,2483,744],{"class":743},[640,2485,747],{"class":650},[640,2487,751],{"class":750},[640,2489,754],{"class":650},[640,2491,2493,2495,2497,2499,2501,2503,2505,2507,2509,2511,2513,2516,2518,2520],{"class":642,"line":2492},10,[640,2494,760],{"class":654},[640,2496,571],{"class":650},[640,2498,765],{"class":654},[640,2500,571],{"class":650},[640,2502,770],{"class":734},[640,2504,738],{"class":773},[640,2506,776],{"class":650},[640,2508,779],{"class":667},[640,2510,776],{"class":650},[640,2512,784],{"class":650},[640,2514,2515],{"class":734}," pipeline",[640,2517,738],{"class":773},[640,2519,1788],{"class":734},[640,2521,2522],{"class":773},"()))\n",[640,2524,2526,2528],{"class":642,"line":2525},11,[640,2527,795],{"class":650},[640,2529,798],{"class":654},[527,2531,2532],{},"Events sharing a label set are grouped into a single Loki stream, and entries are sorted by timestamp — Loki rejects out-of-order pushes within a stream.",[623,2534,2536],{"id":2535},"verify-it-locally","Verify it locally",[527,2538,2539],{},"Spin up Loki in Docker and push a real event — no cloud account needed:",[630,2541,2544],{"className":1810,"code":2542,"filename":2543,"language":1813,"meta":636,"style":636},"docker compose -f packages\u002Fevlog\u002Ftest\u002Fe2e\u002Fdocker-compose.yml up -d\nLOKI_ENDPOINT=http:\u002F\u002Flocalhost:3100 pnpm run test:e2e\ndocker compose -f packages\u002Fevlog\u002Ftest\u002Fe2e\u002Fdocker-compose.yml down -v\n","Terminal",[546,2545,2546,2566,2583],{"__ignoreMap":636},[640,2547,2548,2551,2554,2557,2560,2563],{"class":642,"line":643},[640,2549,2550],{"class":1369},"docker",[640,2552,2553],{"class":667}," compose",[640,2555,2556],{"class":667}," -f",[640,2558,2559],{"class":667}," packages\u002Fevlog\u002Ftest\u002Fe2e\u002Fdocker-compose.yml",[640,2561,2562],{"class":667}," up",[640,2564,2565],{"class":667}," -d\n",[640,2567,2568,2570,2572,2574,2577,2580],{"class":642,"line":699},[640,2569,680],{"class":654},[640,2571,876],{"class":650},[640,2573,601],{"class":667},[640,2575,2576],{"class":1369}," pnpm",[640,2578,2579],{"class":667}," run",[640,2581,2582],{"class":667}," test:e2e\n",[640,2584,2585,2587,2589,2591,2593,2596],{"class":642,"line":718},[640,2586,2550],{"class":1369},[640,2588,2553],{"class":667},[640,2590,2556],{"class":667},[640,2592,2559],{"class":667},[640,2594,2595],{"class":667}," down",[640,2597,2598],{"class":667}," -v\n",[527,2600,2601,2602,2605,2606,2608],{},"The suite is a ",[541,2603,2604],{},"round-trip",": it pushes events, queries them back through\nLoki's range API, and asserts the label set, the JSON log line and the\ntimestamp survived. Without ",[546,2607,680],{}," it skips itself with a visible\nlabel rather than passing silently.",[527,2610,2611,2612,2614,2615,571],{},"To eyeball the result instead, point any Grafana at ",[546,2613,601],{},"\nand run ",[546,2616,2617],{},"{service=\"evlog-e2e\"}",[623,2619,2621],{"id":2620},"troubleshooting","Troubleshooting",[527,2623,2624,2629,2630,2632,2633,2635,2636,2639],{},[541,2625,2626],{},[546,2627,2628],{},"Missing endpoint"," — ",[546,2631,680],{}," is unset and no ",[546,2634,1624],{}," was passed. The drain logs ",[546,2637,2638],{},"[evlog\u002Floki] Missing endpoint"," once and then does nothing, so requests are never blocked or failed.",[527,2641,2642,2647,2648,2650,2651,2653],{},[541,2643,2644],{},[546,2645,2646],{},"Loki API error: 401"," — On Grafana Cloud, check that ",[546,2649,566],{}," is the numeric ",[541,2652,1926],{}," of the Loki datasource, not your account email.",[527,2655,2656,2662,2663,2666],{},[541,2657,2658,2661],{},[546,2659,2660],{},"Loki API error: 400"," mentioning out-of-order entries"," — Older Loki versions reject entries older than the most recent one in a stream. evlog sorts within each push; if you still hit this, enable ",[546,2664,2665],{},"unordered_writes"," in Loki or reduce the batch interval.",[527,2668,2669,2672,2673,2676],{},[541,2670,2671],{},"Nothing appears in Grafana"," — Confirm the label set you are querying. Run ",[546,2674,2675],{},"{service=~\".+\"}"," first to see which streams arrived.",[623,2678,2680],{"id":2679},"direct-api-usage","Direct API usage",[527,2682,2683],{},"Bypass the drain to push events yourself:",[630,2685,2688],{"className":632,"code":2686,"filename":2687,"language":635,"meta":636,"style":636},"import { sendBatchToLoki, sendToLoki } from 'evlog\u002Floki'\n\nawait sendToLoki(event, { endpoint: 'http:\u002F\u002Flocalhost:3100' })\nawait sendBatchToLoki(events, { endpoint: 'http:\u002F\u002Flocalhost:3100' })\n","scripts\u002Fbackfill.ts",[546,2689,2690,2714,2718,2745],{"__ignoreMap":636},[640,2691,2692,2694,2696,2699,2701,2704,2706,2708,2710,2712],{"class":642,"line":643},[640,2693,647],{"class":646},[640,2695,651],{"class":650},[640,2697,2698],{"class":654}," sendBatchToLoki",[640,2700,784],{"class":650},[640,2702,2703],{"class":654}," sendToLoki",[640,2705,658],{"class":650},[640,2707,661],{"class":646},[640,2709,664],{"class":650},[640,2711,668],{"class":667},[640,2713,671],{"class":650},[640,2715,2716],{"class":642,"line":699},[640,2717,722],{"emptyLinePlaceholder":721},[640,2719,2720,2722,2724,2727,2729,2731,2733,2735,2737,2739,2741,2743],{"class":642,"line":718},[640,2721,1104],{"class":646},[640,2723,2703],{"class":734},[640,2725,2726],{"class":654},"(event",[640,2728,784],{"class":650},[640,2730,651],{"class":650},[640,2732,1795],{"class":773},[640,2734,910],{"class":650},[640,2736,664],{"class":650},[640,2738,601],{"class":667},[640,2740,776],{"class":650},[640,2742,658],{"class":650},[640,2744,798],{"class":654},[640,2746,2747,2749,2751,2754,2756,2758,2760,2762,2764,2766,2768,2770],{"class":642,"line":725},[640,2748,1104],{"class":646},[640,2750,2698],{"class":734},[640,2752,2753],{"class":654},"(events",[640,2755,784],{"class":650},[640,2757,651],{"class":650},[640,2759,1795],{"class":773},[640,2761,910],{"class":650},[640,2763,664],{"class":650},[640,2765,601],{"class":667},[640,2767,776],{"class":650},[640,2769,658],{"class":650},[640,2771,798],{"class":654},[527,2773,2774,549,2777,553,2780,2783],{},[546,2775,2776],{},"buildLokiPayload()",[546,2778,2779],{},"toLokiLabels()",[546,2781,2782],{},"resolveLokiPushUrl()"," are also exported for custom transports.",[623,2785,2787],{"id":2786},"next-steps","Next steps",[2789,2790,2791,2796,2801,2808],"ul",{},[584,2792,2793,2795],{},[531,2794,61],{"href":62}," — control log volume before it reaches Loki",[584,2797,2798,2800],{},[531,2799,426],{"href":427}," — add derived fields to every event",[584,2802,2803,2807],{},[531,2804,2806],{"href":2805},"\u002Flearn\u002Fpipeline","Pipeline"," — batching, retries, and fan-out",[584,2809,2810,2813],{},[531,2811,2812],{"href":138},"Adapters Overview"," — all available destinations",[2815,2816,2817],"style",{},"html pre.shiki code .s7zQu, html code.shiki .s7zQu{--shiki-light:#39ADB5;--shiki-light-font-style:italic;--shiki-default:#89DDFF;--shiki-default-font-style:italic;--shiki-dark:#89DDFF;--shiki-dark-font-style:italic}html pre.shiki code .sMK4o, html code.shiki .sMK4o{--shiki-light:#39ADB5;--shiki-default:#89DDFF;--shiki-dark:#89DDFF}html pre.shiki code .sTEyZ, html code.shiki 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.sHdIc{--shiki-light:#90A4AE;--shiki-light-font-style:italic;--shiki-default:#EEFFFF;--shiki-default-font-style:italic;--shiki-dark:#BABED8;--shiki-dark-font-style:italic}html pre.shiki code .spNyl, html code.shiki .spNyl{--shiki-light:#9C3EDA;--shiki-default:#C792EA;--shiki-dark:#C792EA}html pre.shiki code .swJcz, html code.shiki .swJcz{--shiki-light:#E53935;--shiki-default:#F07178;--shiki-dark:#F07178}html pre.shiki code .sBMFI, html code.shiki .sBMFI{--shiki-light:#E2931D;--shiki-default:#FFCB6B;--shiki-dark:#FFCB6B}html pre.shiki code .sbssI, html code.shiki .sbssI{--shiki-light:#F76D47;--shiki-default:#F78C6C;--shiki-dark:#F78C6C}",{"title":636,"searchDepth":699,"depth":699,"links":2819},[2820,2821,2822,2827,2832,2833,2834,2835,2836,2837,2838],{"id":625,"depth":699,"text":20},{"id":674,"depth":699,"text":25},{"id":1474,"depth":699,"text":495,"children":2823},[2824,2825,2826],{"id":1478,"depth":718,"text":1479},{"id":1570,"depth":718,"text":1571},{"id":1598,"depth":718,"text":331},{"id":1766,"depth":699,"text":1767,"children":2828},[2829,2830,2831],{"id":1773,"depth":718,"text":1774},{"id":1919,"depth":718,"text":1920},{"id":2052,"depth":718,"text":2053},{"id":2135,"depth":699,"text":2136},{"id":2255,"depth":699,"text":2256},{"id":2331,"depth":699,"text":2332},{"id":2535,"depth":699,"text":2536},{"id":2620,"depth":699,"text":2621},{"id":2679,"depth":699,"text":2680},{"id":2786,"depth":699,"text":2787},"Push wide events to Grafana Loki — self-hosted, multi-tenant, or Grafana Cloud — with low-cardinality labels and full JSON querying.","md",[2842,2849],{"label":2843,"icon":2844,"to":2845,"target":2846,"color":2847,"variant":2848},"Loki HTTP API","i-lucide-external-link","https:\u002F\u002Fgrafana.com\u002Fdocs\u002Floki\u002Flatest\u002Freference\u002Floki-http-api\u002F","_blank","neutral","subtle",{"label":2850,"icon":2844,"to":2851,"target":2846,"color":2847,"variant":2848},"LogQL","https:\u002F\u002Fgrafana.com\u002Fdocs\u002Floki\u002Flatest\u002Fquery\u002F",{},{"title":176,"icon":179},{"title":522,"description":2839},"-46WxHgHltsMMdOrr50RRdcc1NYjM_SIKG7DsFC1wo8",[2857,2859],{"title":166,"path":167,"stem":168,"description":2858,"icon":169,"children":-1},"Send wide events to Datadog Logs via the native HTTP intake API. Supports all Datadog sites and DD_* environment variables.",{"title":181,"path":182,"stem":183,"description":2860,"icon":184,"children":-1},"Insert wide events into ClickHouse over the HTTP interface — typed columns for what you aggregate, full JSON for everything else.",1785615023103]