3.1 · Lesson

Log Files

Neo4j writes several log files, each covering a different aspect of the system.

FilePurpose
neo4j.logHigh-level operational events: startup, shutdown, configuration changes
debug.logDetailed internal events, warnings, and errors from the Neo4j kernel
query.logAll queries
security.logAuthentication and authorisation events
http.logHTTP API requests (when HTTP logging is enabled)
gc.logJava garbage collection activity