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Time taken by every single GC event is reported in the GC log. In every GC event, there are ‘user’, ‘sys’, and ‘real’ time. Continue reading “SYS TIME GREATER THAN USER TIME”
Time taken by every single GC event is reported in the GC log. In every GC event, there are ‘user’, ‘sys’, and ‘real’ time. Continue reading “REAL TIME IS GREATER THAN USER AND SYS TIME”
Throughput is the amount of productive work done by your application in a given time period. This brings the question what is productive work? Continue reading “INCREASE THROUGHPUT”
Full GC is an important phase in the garbage collection process. During this full GC phase, garbage is collected from Continue reading “ELIMINATE CONSECUTIVE FULL GCs”
There are 8 types of OutOfMemoryError. In this, 5 types of OutOfMemoryError happens within the JVM heap. Continue reading “DIAGNOSE MEMORY LEAK”
When System.gc() or Runtime.getRuntime().gc() method calls are invoked it causes stop-the-world Full GCs. During stop-the-world full GCs Continue reading “System.gc()”
Long GC Pauses are undesirable for applications. It affects your SLAs; it results in poor customer experiences, and it causes severe damages to Continue reading “REDUCE LONG GC PAUSES”
Garbage Collection logs are essential artifacts to optimize application’s performance and trouble shoot complex memory problems. Continue reading “ROTATING GC LOG FILES”
