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https://issues.apache.org/jira/browse/EAGLE-683?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15615115#comment-15615115
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ASF GitHub Bot commented on EAGLE-683:
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Github user asfgit closed the pull request at:
https://github.com/apache/incubator-eagle/pull/566
> AlertEngine : Improve metadata store performance
> ------------------------------------------------
>
> Key: EAGLE-683
> URL: https://issues.apache.org/jira/browse/EAGLE-683
> Project: Eagle
> Issue Type: Improvement
> Affects Versions: v0.5.0
> Reporter: Su Ralph
> Assignee: Zeng, Bryant
> Fix For: v0.5.0
>
>
> Currently, we enable periodically schedule in coordinator service itself. If
> this is enabled, the schedule spec will finally used up metadata storage.
> We should
> 1. Disable periodically schedule by default (storage like mysql doesn't have
> capped feature)
> 2. For mongodb storage, use capped collection for schedule_specs,
> policy_snapshots, streamSnapshots, groupSpecs, alertSpecs, monitoredStreams,
> spoutSpecs (all schedule spec related collection).
> Let use default config of 20,000 as capped collection size.
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