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Posted to issues@solr.apache.org by "Christine Poerschke (Jira)" <ji...@apache.org> on 2021/08/03 18:00:00 UTC
[jira] [Resolved] (SOLR-15486) consider
SolrCoreState.inflightUpdatesCounter logic in ZK-unware Solr
[ https://issues.apache.org/jira/browse/SOLR-15486?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Christine Poerschke resolved SOLR-15486.
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Fix Version/s: 8.10
main (9.0)
Resolution: Fixed
> consider SolrCoreState.inflightUpdatesCounter logic in ZK-unware Solr
> ---------------------------------------------------------------------
>
> Key: SOLR-15486
> URL: https://issues.apache.org/jira/browse/SOLR-15486
> Project: Solr
> Issue Type: Task
> Reporter: Christine Poerschke
> Assignee: Christine Poerschke
> Priority: Minor
> Fix For: main (9.0), 8.10
>
> Time Spent: 40m
> Remaining Estimate: 0h
>
> SOLR-14942 added the {{inflightUpdatesCounter}} logic to reduce leader election time on node shutdown.
> From my understanding of the code so far:
> * Since the earlier triggering of an election is specific to ZK-aware Solr then one could say that {{ContentStreamHandlerBase.handleRequestBody}} doing inflight update registers and deregisters is unnecessary.
> * Alternatively if waiting for inflight updates to complete (at that point in the shutdown sequence) is generally beneficial then one could say that the {{pauseUpdatesAndAwaitInflightRequests}} logic should be added for the ZK-unware code path in {{CoreContainer.shutdown}} also.
> Illustrative draft pull request with both options: https://github.com/apache/solr/pull/180
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