1.2 KiB
1.2 KiB
Log Collecting And Analysis
Collecting
There are various ways to collect logs from application.
Java agent's toolkits
Java agent provides toolkit for log4j, log4j2, logback to report logs through gRPC with automatic injected trace context.
SkyWalking Satellite sidecar is a recommended proxy/side to forward logs including to use Kafka MQ to transport logs. When use this, need to open kafka-fetcher.
Log Analyzer
Log analyzer of OAP server supports native log data. OAP could use Log Analysis Language to structurize log content through parse, extract, and save logs. Also the analyzer leverages Meter Analysis Language Engine for further metrics calculation.
log-analyzer:
selector: ${SW_LOG_ANALYZER:default}
default:
lalFiles: ${SW_LOG_LAL_FILES:default}
malFiles: ${SW_LOG_MAL_FILES:""}
Read Log Analysis Language documentation to learn log structurize and metrics analysis.