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From Shobhana <shobh...@quickride.in>
Subject Re: ActiveMQ broker becomes unresponsive after sometime
Date Fri, 19 May 2017 09:29:24 GMT
Tim, full GC takes 8 seconds, not 8 minutes.

Also, after full GC, large amount of memory is reclaimed (13G to <2G) :

2017-05-17T14:01:46.179+0530: 34205.488: [Full
GC2017-05-17T14:01:46.179+0530: 34205.488: [CMS:
13039360K->1895795K(26214400K), 8.5260340 secs]
13578056K->1895795K(27158144K), [CMS Perm : 33865K->33826K(131072K)],
8.5261390 secs] [Times: user=8.87 sys=0.00, real=8.52 secs] 

Considering so much memory is freed up, do you think fragmentation would
still be a cause for concern? I checked for size of few objects in histo
report but couldn't find any object greater than 1.5KB.

Haven't used JConsole, but from GC logs I see just one or 2 full GCs before
broker becomes unresponsive.

I'll also try by switching to G1GC and see if it makes any difference.



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