accumulo-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Eric Newton (Commented) (JIRA)" <>
Subject [jira] [Commented] (ACCUMULO-419) tablet servers running out of memory
Date Tue, 21 Feb 2012 14:44:34 GMT


Eric Newton commented on ACCUMULO-419:

This test created over 100K tables: a new watcher is created whenever a tablet is loaded.
> tablet servers running out of memory
> ------------------------------------
>                 Key: ACCUMULO-419
>                 URL:
>             Project: Accumulo
>          Issue Type: Improvement
>          Components: tserver
>    Affects Versions: 1.4.0
>            Reporter: Eric Newton
>            Assignee: Eric Newton
> After running randomwalk test for several days, tablet servers began to run out of memory.
 Heap dump analysis revealed a large number of HashMap entries.  Inspection of those entries
found they were referenced by zookeeper watches.  A quick search finds this to be a known
zookeeper issue:

This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators:!default.jspa
For more information on JIRA, see:


View raw message