accumulo-notifications mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Eric Newton (JIRA)" <j...@apache.org>
Subject [jira] [Created] (ACCUMULO-1770) out of memory error on very long running tablet server
Date Thu, 10 Oct 2013 17:41:42 GMT
Eric Newton created ACCUMULO-1770:
-------------------------------------

             Summary: out of memory error on very long running tablet server
                 Key: ACCUMULO-1770
                 URL: https://issues.apache.org/jira/browse/ACCUMULO-1770
             Project: Accumulo
          Issue Type: Bug
          Components: tserver
            Reporter: Eric Newton
            Assignee: Eric Newton


On a large cluster it was noticed that a few of the tablet servers had been pushed into swap.
 This didn't effect the performance of the server until it ran out of memory, and the process
was killed.  The gc reports in the debug log showed the system had plenty of heap space for
the JVM.  The number of threads in the server where not excessive (dozens).  This cluster
ingests some large values (megabytes).  The tablet server had been up for a month prior to
running out of memory.  MALLOC_ARENA_MAX had already been set to 1.

* Investigate the effect of fragmentation on memory usage for large value inserts.



--
This message was sent by Atlassian JIRA
(v6.1#6144)

Mime
View raw message