long GC pauses but only one 1 host in the cluster
im seeing this consistently happen on only 1 host in my cluster. the other
hosts don't have this problem.. what could be the reason and whats the
remedy?
im running ES on a ec2 m1.xlarge host - 16GB ram on the machine and i
allocate 8GB to ES.
e.g.
[2014-02-25 09:14:38,726][WARN ][monitor.jvm ] [Lunatica]
[gc][ParNew][1188745][942327] duration [48.3s], collections [1]/[1.1m],
total [48.3s]/[1d], memory [7.9gb]-[6.9gb]/[7.9gb], all_pools {[Code
Cache] [14.5mb]-[14.5mb]/[48mb]}{[Par Eden Space]
[15.7mb]-[14.7mb]/[66.5mb]}{[Par Survivor Space]
[8.3mb]-[0b]/[8.3mb]}{[CMS Old Gen] [7.8gb]-[6.9gb]/[7.9gb]}{[CMS Perm
Gen] [46.8mb]-[46.8mb]/[168mb]}
thanks
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Re: long GC pauses but only one 1 host in the cluster
Depends on a lot of things; java version, ES version, doc size and count,
index size and count, number of nodes.
What are you monitoring the cluster with as well?
Regards,
Mark Walkom
Infrastructure Engineer
Campaign Monitor
email: ma...@campaignmonitor.com
web: www.campaignmonitor.com
On 25 February 2014 20:21, T Vinod Gupta tvi...@readypulse.com wrote:
im seeing this consistently happen on only 1 host in my cluster. the other
hosts don't have this problem.. what could be the reason and whats the
remedy?
im running ES on a ec2 m1.xlarge host - 16GB ram on the machine and i
allocate 8GB to ES.
e.g.
[2014-02-25 09:14:38,726][WARN ][monitor.jvm ] [Lunatica]
[gc][ParNew][1188745][942327] duration [48.3s], collections [1]/[1.1m],
total [48.3s]/[1d], memory [7.9gb]-[6.9gb]/[7.9gb], all_pools {[Code
Cache] [14.5mb]-[14.5mb]/[48mb]}{[Par Eden Space]
[15.7mb]-[14.7mb]/[66.5mb]}{[Par Survivor Space]
[8.3mb]-[0b]/[8.3mb]}{[CMS Old Gen] [7.8gb]-[6.9gb]/[7.9gb]}{[CMS Perm
Gen] [46.8mb]-[46.8mb]/[168mb]}
thanks
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Re: long GC pauses but only one 1 host in the cluster
Is this node showing more activity than others? What kind of workload is this, indexing/search? Are caches used, for filter/facets? Full GC runs caused by CMS Old Gen may be a sign that you are close at memory limits and need to add nodes, but it could also mean a lot of other different things. Jörg -- You received this message because you are subscribed to the Google Groups elasticsearch group. To unsubscribe from this group and stop receiving emails from it, send an email to elasticsearch+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/elasticsearch/CAKdsXoEHSS9tmb26PPcm5uB4QNurczaXvo8iRXkj9APCFUuBHQ%40mail.gmail.com. For more options, visit https://groups.google.com/groups/opt_out.
