UseConcMarkSweepGC vs UseParallelGC

Question

I\'m currently having problems with very long garbage collection times. please see the followig. My current setup is that I\'m using a -Xms1g and -Xmx3g. my application is using

Answer 1

If you have high survival rate, your heap may be too large. The larger the heap, the longer the JVM can go without GC'ing, so once it hits, it has so much more to move around.