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https://issues.apache.org/jira/browse/ACCUMULO-3793?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14538130#comment-14538130
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Josh Elser commented on ACCUMULO-3793:
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bq. It's not a kernel parameter.
I meant disabling Zone Reclaim
{quote}
Turn zone reclaim mode off: add vm.zone_reclaim_mode = 0 to /etc/sysctl.conf
and run sysctl -p to load the new settings.
{quote}
> enable numa memory interleaving
> -------------------------------
>
> Key: ACCUMULO-3793
> URL: https://issues.apache.org/jira/browse/ACCUMULO-3793
> Project: Accumulo
> Issue Type: Improvement
> Components: scripts
> Environment: Large VM
> Reporter: Eric Newton
> Assignee: Eric Newton
> Fix For: 1.6.3, 1.8.0, 1.7.1
>
>
> In this [fine article|http://tinyurl.com/m8lt7v2] it is recommended that NUMA
> optimizations be disabled. This seems to be exactly our use-case as well, and
> we have been struggling with ways to manage the linux page cache on large
> production systems. Do this by default in the start scripts.
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