求助ES或JVM方面的大神指点，谢谢

在单机环境下做ES2.3.2的索引测试时候，索引数据到一段时间后出现，GC时候Eden区持续100%
100.00 100.00 100.00  64.45  98.31  96.99    585   68.597     6    0.434   69.031
100.00 100.00 100.00  64.45  98.31  96.99    585   68.597     6    0.434   69.031
100.00 100.00 100.00  64.45  98.31  96.99    585   68.597     6    0.434   69.031
100.00 100.00 100.00  64.45  98.31  96.99    585   68.597     6    0.434   69.031
100.00 100.00 100.00  64.45  98.31  96.99    585   68.597     6    0.434   69.031
100.00 100.00 100.00  64.45  98.31  96.99    585   68.597     6    0.434   69.031
100.00 100.00 100.00  64.45  98.31  96.99    585   68.597     6    0.434   69.031
100.00 100.00 100.00  64.45  98.31  96.99    585   68.597     6    0.434   69.031
100.00 100.00 100.00  64.45  98.31  96.99    585   68.597     6    0.434   69.031
开启ES相关的JVM的日志如下：
Desired survivor size 100302848 bytes, new threshold 1 (max 6)
- age   1:  148728784 bytes,  148728784 total
: 1763584K->195904K(1763584K), 0.3199880 secs] 16543069K->15041803K(24969920K), 0.3608433 secs] [Times: user=1.80 sys=0.01, real=0.36 secs] 
2016-05-13T00:10:02.582+0800: 683.362: Total time for which application threads were stopped: 0.3627899 seconds, Stopping threads took: 0.0004477 seconds
2016-05-13T00:10:02.584+0800: 683.364: Total time for which application threads were stopped: 0.0015803 seconds, Stopping threads took: 0.0002223 seconds
2016-05-13T00:10:03.446+0800: 684.226: [GC (Allocation Failure) 684.472: [ParNew
日志长时间（数十分钟甚至数小时）停顿在[ParNew这里，后续如成功的GC了，日志将继续打印。
机器是32G，分配24G内存给ES。
ES或JVM方面的大神指点，谢谢