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Posted to issues@hbase.apache.org by "Jonathan Gray (JIRA)" <ji...@apache.org> on 2010/10/31 21:00:23 UTC
[jira] Updated: (HBASE-3180) Review periodic master logging,
especially ServerManager once a minute
[ https://issues.apache.org/jira/browse/HBASE-3180?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jonathan Gray updated HBASE-3180:
---------------------------------
Attachment: HBASE-3180-v1.patch
Changes: ServerManager log increased to 5 minutes, log at DEBUG in CatalogJanitor if cleaned==0
> Review periodic master logging, especially ServerManager once a minute
> ----------------------------------------------------------------------
>
> Key: HBASE-3180
> URL: https://issues.apache.org/jira/browse/HBASE-3180
> Project: HBase
> Issue Type: Improvement
> Components: master
> Affects Versions: 0.90.0
> Reporter: Jonathan Gray
> Assignee: Jonathan Gray
> Fix For: 0.90.0
>
> Attachments: HBASE-3180-v1.patch
>
>
> Not including HBASE-3179, the master logs of a steady-state cluster are something like:
> {noformat}
> 2010-10-30 10:03:59,876 INFO org.apache.hadoop.hbase.master.ServerManager: regionservers=86, averageload=28.05
> 2010-10-30 10:04:59,886 INFO org.apache.hadoop.hbase.master.ServerManager: regionservers=86, averageload=28.05
> 2010-10-30 10:05:59,894 INFO org.apache.hadoop.hbase.master.ServerManager: regionservers=86, averageload=28.05
> 2010-10-30 10:06:59,904 INFO org.apache.hadoop.hbase.master.ServerManager: regionservers=86, averageload=28.05
> 2010-10-30 10:07:59,914 INFO org.apache.hadoop.hbase.master.ServerManager: regionservers=86, averageload=28.05
> 2010-10-30 10:08:05,941 DEBUG org.apache.hadoop.hbase.master.LoadBalancer: Skipping load balancing. servers=86 regions=2401 average=27.918604 mostloaded=28 leastloaded=28
> 2010-10-30 10:08:07,128 INFO org.apache.hadoop.hbase.master.CatalogJanitor: Scanned 2399 catalog row(s) and gc'd 0 unreferenced parent region(s)
> {noformat}
> Let's review these and see if there's anything we want to take out or add.
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