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From "David Smiley (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-11670) Implement a periodic house-keeping task
Date Tue, 13 Mar 2018 15:13:00 GMT

    [ https://issues.apache.org/jira/browse/SOLR-11670?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16397085#comment-16397085
] 

David Smiley commented on SOLR-11670:
-------------------------------------

[~ab] I think it's confusing that TimeSource.getTime & getEpochTime return nanoseconds.
 I think the methods should be renamed so that it's clear what unit it is, otherwise the conditions
are ripe for continuing bugs in unit conversions.  Perhaps rename getTime to {{getTimeNs}}.

> Implement a periodic house-keeping task
> ---------------------------------------
>
>                 Key: SOLR-11670
>                 URL: https://issues.apache.org/jira/browse/SOLR-11670
>             Project: Solr
>          Issue Type: Sub-task
>      Security Level: Public(Default Security Level. Issues are Public) 
>          Components: AutoScaling
>            Reporter: Andrzej Bialecki 
>            Assignee: Andrzej Bialecki 
>            Priority: Major
>         Attachments: SOLR-11670.patch, SOLR-11670.patch, SOLR-11670.patch
>
>
> Some high-impact cluster changes (such as split shard) leave the original data and original
state that is no longer actively used. This makes sense due to safety reasons and to make
it easier to roll-back the changes.
> However, this unused data will accumulate over time, especially when actions like split
shard are invoked automatically by the autoscaling framework. We need a periodic task that
would clean up this kind of data after a certain period.



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