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https://issues.apache.org/jira/browse/SOLR-9707?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Varun Thacker updated SOLR-9707:
Attachment: SOLR-9707.patch
Hi Jessica,
I was trying to write a test case for this and I wasn't able to get it to fail
without the patch. I realized that it's because we already filter out replicas
which aren't on the live node list (
https://github.com/apache/lucene-solr/blob/master/solr/solrj/src/java/org/apache/solr/common/cloud/ZkStateReader.java#L805
)
Attaching the updated patch with the test case for reference.
> DeleteByQuery forward requests to down replicas and set it in LiR
> -
>
> Key: SOLR-9707
> URL: https://issues.apache.org/jira/browse/SOLR-9707
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: SolrCloud
>Reporter: Jessica Cheng Mallet
>Assignee: Varun Thacker
> Labels: solrcloud
> Attachments: SOLR-9707.diff, SOLR-9707.patch
>
>
> DeleteByQuery, unlike other requests, does not filter out the down replicas.
> Thus, the update is still forwarded to the down replica and fails, and the
> leader then sets the replica in LiR. In a cluster where there are lots of
> deleteByQuery requests, this can flood the /overseer/queue.
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