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From vinay Bajaj <vbajaj2...@gmail.com>
Subject Re: Problem in Spark Streaming
Date Wed, 11 Jun 2014 07:28:08 GMT
http://stackoverflow.com/questions/895444/java-garbage-collection-log-messages

http://stackoverflow.com/questions/16794783/how-to-read-a-verbosegc-output

I think this will help in understanding the logs.


On Wed, Jun 11, 2014 at 12:53 PM, nilmish <nilmish.iit@gmail.com> wrote:

>
> I used these commands to show the GC timings : -verbose:gc
> -XX:-PrintGCDetails -XX:+PrintGCTimeStamps
>
> Following is the output I got on the standard output :
>
> 4.092: [GC 4.092: [ParNew: 274752K->27199K(309056K), 0.0421460 secs]
> 274752K->27199K(995776K), 0.0422720 secs] [Times: user=0.33 sys=0.11,
> real=0.04 secs]
>
> 16.630: [GC 16.630: [ParNew: 301951K->17854K(309056K), 0.0686940 secs]
> 301951K->23624K(995776K), 0.0689110 secs] [Times: user=0.36 sys=0.05,
> real=0.07 secs]
>
> 32.440: [GC 32.441: [ParNew: 292606K->14985K(309056K), 0.0206040 secs]
> 298376K->20755K(995776K), 0.0208320 secs] [Times: user=0.20 sys=0.00,
> real=0.02 secs]
>
> 42.626: [GC 42.626: [ParNew: 289737K->15467K(309056K), 0.0138100 secs]
> 295507K->21237K(995776K), 0.0139830 secs] [Times: user=0.10 sys=0.00,
> real=0.01 secs]
>
> 56.633: [GC 56.633: [ParNew: 290219K->17334K(309056K), 0.0170930 secs]
> 295989K->23105K(995776K), 0.0173130 secs] [Times: user=0.12 sys=0.01,
> real=0.02 secs]
>
> Can anyone help me to understand these messgaes related to GC ?
>
>
>
> --
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>

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