DevHacker Noonabout 8 hours ago
Java Logging: Sync, Async, Flush, Durability Explained
11 min read
Java logging uses a two-layer system: a facade API like SLF4J and an implementation that writes bytes. Mixing these layers causes confusion. Async logging reduces p99 latency spikes but risks losing logs after crashes. Flush and durability settings determine when logs reach disk.
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