GC overhead limit exceeded

[Tal Liron]

Thanks! I didn't know of these. I'm not sure how to read the log, but 
this doesn't look so good. I get a lot of "allocation failures" that 
look like this:

Java HotSpot(TM) 64-Bit Server VM (25.0-b63) for linux-amd64 JRE 
(1.8.0-ea-b121), built on Dec 19 2013 17:29:18 by "java_re" with gcc 
4.3.0 20080428 (Red Hat 4.3.0-8)
Memory: 4k page, physical 2039276k(849688k free), swap 262140k(256280k free)
CommandLine flags: -XX:InitialHeapSize=32628416 
-XX:MaxHeapSize=522054656 -XX:+PrintGC -XX:+PrintGCDetails 
-XX:+PrintGCTimeStamps -XX:+PrintTenuringDistribution 
-XX:+UseCompressedClassPointers -XX:+UseCompressedOops -XX:+UseParallelGC
0.108: [GC (Allocation Failure)
Desired survivor size 524288 bytes, new threshold 7 (max 15)
[PSYoungGen: 512K->496K(1024K)] 512K->496K(32256K), 0.0013194 secs] 
[Times: user=0.01 sys=0.00, real=0.00 secs]

On 01/04/2014 10:02 PM, Ben Evans wrote:
> -Xloggc:<pathtofile> -XX:+PrintGCDetails -XX:+PrintTenuringDistribution