35One app instance keeps flapping out of the load balancer pool, yet between bursts it serves traffic happily. Where do you look?▼mediumNewLinkedInNetflixAtlassian◆ premiumSelf-healing unavailability is a timeout arithmetic story. Pull the balancer's removal timestamps, lay them against the GC log, and the pause that ejects the instance will be sitting there in plain sight.Open full answer →
66A JVM pod is OOMKilled with the heap at 60 percent of its maximum. The container limit is 4Gi and Xmx is 3Gi. Explain it.▼hardNewGoldman SachsJPMorgan ChaseOracle◆ premiumThe heap is the part you configured and the smaller part of what the process uses. The kernel counts everything the cgroup touches, including the page cache the JVM never asked for.Open full answer →