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",[578,1149,1150],{},"level",", ",[578,1153,1154],{},"time",[578,1156,1157],{},"pid",[578,1159,1160],{},"hostname",[578,1162,1163],{},"method",[578,1165,1166],{},"path",", and ",[578,1169,1170],{},"requestId"," are written four times by pino and once by evlog, and the four ",[578,1173,1174],{},"msg"," strings disappear entirely. The fields you actually set are written once either way.",[1177,1178,1181,1182,1185],"callout",{"color":1179,"icon":1180},"warning","i-lucide-alert-triangle","Your ratio is not this ratio. A handler that logs two lines saves less; one that repeats a large ",[578,1183,1184],{},"user"," object on every line saves more. The method transfers, the number does not.",[548,1187,1189],{"id":1188},"which-number-moves-your-bill","Which number moves your bill",[541,1191,1192],{},"Providers meter logs in one of two ways, and that decides which saving you actually collect.",[1085,1194,1195,1208],{},[1088,1196,1197],{},[1091,1198,1199,1202,1205],{},[1094,1200,1201],{},"Metered by",[1094,1203,1204],{},"Saving you collect",[1094,1206,1207],{},"Providers",[1104,1209,1210,1225],{},[1091,1211,1212,1215,1222],{},[1109,1213,1214],{},"Gigabytes ingested",[1109,1216,1217,1218,1221],{},"The ",[1137,1219,1220],{},"56%"," byte figure",[1109,1223,1224],{},"Grafana Cloud, Sentry, PostHog, Better Stack, Axiom",[1091,1226,1227,1234,1240],{},[1109,1228,1229,1230,1233],{},"Gigabytes ",[1137,1231,1232],{},"and"," indexed events",[1109,1235,1217,1236,1239],{},[1137,1237,1238],{},"75%"," event figure, on the line item that usually dominates",[1109,1241,171],{},[541,1243,1244],{},"Per-gigabyte billing is the common case, so most teams collect the byte saving. Datadog is the outlier worth checking: it bills ingestion per gigabyte and indexing per million events, and at production volumes the indexing line is the larger of the two, so the event count is what moves.",[541,1246,1247],{},"Rates were read on 14 August 2026 and are list prices, before free tiers, committed-use discounts, and retention add-ons. They are inputs in the calculator above for exactly that reason.",[548,1249,1251],{"id":1250},"sampling-moves-both-columns","Sampling moves both columns",[541,1253,1254],{},"The calculator applies sampling to both shapes, which is the only fair way to model it. Dropping events is not something evlog does and other loggers cannot: you can filter by level in any logger, or sample in the transport. Applying it to one side only would flatter evlog with a saving that is not evlog's. Pull the slider down and both bills fall together while the gap between them holds.",[541,1256,1257,1258,1260],{},"It is still the larger lever. Consolidation is bounded, because you cannot send fewer than one event per request. ",[563,1259,61],{"href":62}," is not: head sampling drops events by level at emit time, and tail sampling force-keeps the ones you would have wanted, so errors and slow requests survive a rule that discards the rest. Volume stops tracking traffic and starts tracking signal, which is the only version of this that keeps working as you grow.",[541,1262,1263],{},"What evlog changes is the unit sampling operates on. 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Pass ",[578,1287,1288],{},"perGb"," and ",[578,1291,1292],{},"perMillionIndexed"," to price a provider that is not in the list, or to correct one whose pricing has moved.",[548,1295,1297],{"id":1296},"next","Next",[1299,1300,1301,1307,1312],"ul",{},[1302,1303,1304,1306],"li",{},[563,1305,61],{"href":62}," — the two tiers, and what each one costs you in visibility",[1302,1308,1309,1311],{},[563,1310,374],{"href":509}," — the benchmarks these byte counts come from",[1302,1313,1314,1317],{},[563,1315,1316],{"href":143},"Drain adapters"," — every destination, and how to change your mind later",[1319,1320,1321],"style",{},"html pre.shiki code .spNyl, html code.shiki .spNyl{--shiki-light:#9C3EDA;--shiki-default:#C792EA;--shiki-dark:#C792EA}html pre.shiki code .sTEyZ, html code.shiki .sTEyZ{--shiki-light:#90A4AE;--shiki-default:#EEFFFF;--shiki-dark:#BABED8}html pre.shiki code .sMK4o, html code.shiki .sMK4o{--shiki-light:#39ADB5;--shiki-default:#89DDFF;--shiki-dark:#89DDFF}html pre.shiki code .s2Zo4, html code.shiki .s2Zo4{--shiki-light:#6182B8;--shiki-default:#82AAFF;--shiki-dark:#82AAFF}html pre.shiki code .swJcz, html code.shiki .swJcz{--shiki-light:#E53935;--shiki-default:#F07178;--shiki-dark:#F07178}html pre.shiki code .sfazB, html code.shiki .sfazB{--shiki-light:#91B859;--shiki-default:#C3E88D;--shiki-dark:#C3E88D}html pre.shiki code .sbssI, html code.shiki .sbssI{--shiki-light:#F76D47;--shiki-default:#F78C6C;--shiki-dark:#F78C6C}html .light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html.light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html .default .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html.dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}",{"title":576,"searchDepth":661,"depth":661,"links":1323},[1324,1325,1326,1327,1328,1329],{"id":550,"depth":661,"text":551},{"id":557,"depth":661,"text":558},{"id":1188,"depth":661,"text":1189},{"id":1250,"depth":661,"text":1251},{"id":1266,"depth":661,"text":1267},{"id":1296,"depth":661,"text":1297},"One request leaves one event instead of four lines, which measures 56% fewer bytes and 75% fewer events. Which of those two numbers moves your bill depends on whether your provider meters gigabytes or indexed events.","md",[1333,1336],{"label":374,"icon":107,"to":509,"color":1334,"variant":1335},"neutral","subtle",{"label":61,"icon":64,"to":62,"color":1334,"variant":1335},{},{"title":530,"icon":533},{"title":536,"description":1330},"8FjmCMopEJyR0CF5jAbzQduPZllgbNBhGApIR2gyYgs",[1342,1344],{"title":526,"path":527,"stem":528,"description":1343,"icon":434,"children":-1},"AI-assisted code review and evlog adoption using Agent Skills. Let AI review your logging patterns and guide migration to wide events.",null,1786743582233]