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Other libraries provide different configuration and extension models that may already fit your application.",[578,579,581],"h2",{"id":580},"choose-the-comparison-for-your-stack","Choose the comparison for your stack",[583,584,585,601],"table",{},[586,587,588],"thead",{},[589,590,591,595,598],"tr",{},[592,593,594],"th",{},"You need to decide about",[592,596,597],{},"Start here",[592,599,600],{},"Evaluate before migrating",[602,603,604,618,631,644,656],"tbody",{},[589,605,606,610,615],{},[607,608,609],"td",{},"Pino JSON logging",[607,611,612],{},[613,614,548],"a",{"href":549},[607,616,617],{},"Child bindings, serializers, custom levels, worker transports, existing HTTP logging",[589,619,620,623,628],{},[607,621,622],{},"Winston formats and transports",[607,624,625],{},[613,626,627],{"href":561},"evlog vs Winston",[607,629,630],{},"Format composition, per-transport levels, custom transports, exception handling",[589,632,633,636,641],{},[607,634,635],{},"Consola in Nuxt, Nitro, or a CLI",[607,637,638],{},[613,639,640],{"href":565},"evlog vs Consola",[607,642,643],{},"Reporters, terminal interaction, output formatting, request context",[589,645,646,649,653],{},[607,647,648],{},"LogTape in a library or application",[607,650,651],{},[613,652,556],{"href":557},[607,654,655],{},"Consumer-owned configuration, categories, explicit and implicit context, testing",[589,657,658,661,666],{},[607,659,660],{},"An existing OpenTelemetry Collector",[607,662,663],{},[613,664,665],{"href":553},"evlog and OpenTelemetry",[607,667,668],{},"OTLP logs, active span correlation, separate sampling policies",[578,670,672],{"id":671},"what-adopting-evlog-changes","What adopting evlog changes",[574,674,675,676,680,681,683],{},"For an accumulated event, application code calls ",[677,678,679],"code",{},"set()"," as work progresses and emits at the end. ",[613,682,46],{"href":47}," explains that lifecycle. Other loggers can also receive one completed object, so the difference is which accumulation and lifecycle code the library supplies.",[574,685,686,687,689],{},"The global API handles individual messages. Its signatures do not make evlog a drop-in replacement for Pino, Winston, or Consola. Review call sites and output envelopes using ",[613,688,41],{"href":42},".",[578,691,693],{"id":692},"check-the-constraints","Check the constraints",[583,695,696,706],{},[586,697,698],{},[589,699,700,703],{},[592,701,702],{},"Concern",[592,704,705],{},"evlog contract",[602,707,708,729,741,749,757,765],{},[589,709,710,713],{},[607,711,712],{},"Severity",[607,714,715,716,719,720,719,723,719,726],{},"Four levels: ",[677,717,718],{},"debug",", ",[677,721,722],{},"info",[677,724,725],{},"warn",[677,727,728],{},"error",[589,730,731,734],{},[607,732,733],{},"Filtering",[607,735,736,737,740],{},"Global ",[677,738,739],{},"minLevel"," for individual logs, sampling for wide events",[589,742,743,746],{},[607,744,745],{},"Extensibility",[607,747,748],{},"Plugins, enrichers, and drains. Pino serializers and Winston formats need an explicit port.",[589,750,751,754],{},[607,752,753],{},"Redaction",[607,755,756],{},"Configured paths and recognized patterns, enabled by default in production. Not a guarantee that all personal data is identified.",[589,758,759,762],{},[607,760,761],{},"Delivery",[607,763,764],{},"Choose an adapter and its pipeline configuration, then handle pending delivery in the runtime you deploy.",[589,766,767,770],{},[607,768,769],{},"Testing",[607,771,772],{},"Capture emitted events with the memory drain and assert required fields.",[574,774,775],{},"Keeping an existing logger is reasonable when its integrations already satisfy your requirements. If you migrate, first preserve the fields used by dashboards and alerts, then verify success, failure, and shutdown behavior.",[578,777,779],{"id":778},"compare-costs-on-the-same-workload","Compare costs on the same workload",[574,781,782,783,786],{},"The ",[613,784,785],{"href":517},"Performance reference"," describes the repository's unequal output configurations and the limits of its historical comparisons. Do not turn those measurements into a general ranking of loggers.",[574,788,789,790,793,794,689],{},"For deployment, choose a ",[613,791,792],{"href":148},"drain adapter",". For a script or library without framework lifecycle management, follow ",[613,795,796],{"href":296},"Standalone TypeScript",{"title":798,"searchDepth":799,"depth":799,"links":800},"",2,[801,802,803,804],{"id":580,"depth":799,"text":581},{"id":671,"depth":799,"text":672},{"id":692,"depth":799,"text":693},{"id":778,"depth":799,"text":779},"Choose a logger by context model, extensibility, output, and migration cost, then follow the detailed comparison for your current stack.","md",[808,812],{"label":809,"icon":107,"to":517,"color":810,"variant":811},"Performance Benchmarks","neutral","subtle",{"label":41,"icon":44,"to":42,"color":810,"variant":811},{},{"title":529,"icon":532},{"title":569,"description":805},"5WhWTGxANaQ4kME0ZAjx6sVNLGGd0zol7q0wC92Vqxs",[818,820],{"title":525,"path":526,"stem":527,"description":819,"icon":383,"children":-1},"Security guidelines, data sanitization, and production tips for evlog. Learn what not to log and how to protect sensitive data.",{"title":534,"path":535,"stem":536,"description":821,"icon":438,"children":-1},"AI-assisted code review and evlog adoption using Agent Skills. Let AI review your logging patterns and guide migration to wide events.",1789048083552]