ES is not responding

Hi,
I have 3 nodes ES cluster with 6 GB heap size and newsize 1 GB allocated. but ES cluster is not stable. I get below message sin logs. Can anybody please check and let me know whats wrong?

2016-09-01T15:17:00.848+0300: 29.620: [GC2016-09-01T15:17:00.848+0300: 29.620: [ParNew
Desired survivor size 53673984 bytes, new threshold 6 (max 6)
- age   1:   46719944 bytes,   46719944 total
: 907393K->70400K(943744K), 0.2999330 secs] 907393K->132279K(6186624K), 0.3001310 secs] [Times: user=0.56 sys=0.01, real=0.30 secs]
2016-09-01T15:17:01.149+0300: 29.920: Total time for which application threads were stopped: 0.3009150 seconds, Stopping threads took: 0.0005660 seconds
2016-09-01T15:17:01.150+0300: 29.921: Total time for which application threads were stopped: 0.0003430 seconds, Stopping threads took: 0.0001400 seconds


2016-09-01T15:17:26.533+0300: 55.304: Total time for which application threads were stopped: 0.0000850 seconds, Stopping threads took: 0.0000320 seconds
2016-09-01T15:17:26.597+0300: 55.368: [GC2016-09-01T15:17:26.597+0300: 55.368: [ParNew
Desired survivor size 53673984 bytes, new threshold 2 (max 6)
- age   1:   27835352 bytes,   27835352 total
- age   2:   35021432 bytes,   62856784 total
: 943744K->83479K(943744K), 0.2468230 secs] 1050052K->236569K(6186624K), 0.2470030 secs] [Times: user=0.46 sys=0.01, real=0.25 secs]
2016-09-01T15:17:26.844+0300: 55.615: Total time for which application threads were stopped: 0.2473290 seconds, Stopping threads took: 0.0000680 seconds

ES is not responding many times, breaking the pipeline.

br,
Sunil

Hey,

with just two lines of logs this question is impossible to answer. Please take your time to explain your setup (and if you changed anything away from the default), kind of workload, show the gc log stats from the Elasticsearch API, etc.

--Alex