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Posted to dev@lucene.apache.org by "Cao Manh Dat (JIRA)" <ji...@apache.org> on 2017/09/26 02:40:00 UTC
[jira] [Commented] (SOLR-7121) Solr nodes should go down based on
configurable thresholds and not rely on resource exhaustion
[ https://issues.apache.org/jira/browse/SOLR-7121?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16180113#comment-16180113 ]
Cao Manh Dat commented on SOLR-7121:
------------------------------------
[~shalinmangar] [~noble.paul] Kinda similar to what autoscaling framework can do?
> Solr nodes should go down based on configurable thresholds and not rely on resource exhaustion
> ----------------------------------------------------------------------------------------------
>
> Key: SOLR-7121
> URL: https://issues.apache.org/jira/browse/SOLR-7121
> Project: Solr
> Issue Type: New Feature
> Reporter: Sachin Goyal
> Assignee: Mark Miller
> Attachments: SOLR-7121.patch, SOLR-7121.patch, SOLR-7121.patch, SOLR-7121.patch, SOLR-7121.patch, SOLR-7121.patch, SOLR-7121.patch
>
>
> Currently, there is no way to control when a Solr node goes down.
> If the server is having high GC pauses or too many threads or is just getting too many queries due to some bad load-balancer, the cores in the machine keep on serving unless they exhaust the machine's resources and everything comes to a stall.
> Such a slow-dying core can affect other cores as well by taking huge time to serve their distributed queries.
> There should be a way to specify some threshold values beyond which the targeted core can its ill-health and proactively go down to recover.
> When the load improves, the core should come up automatically.
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