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Posted to issues@solr.apache.org by "ASF subversion and git services (Jira)" <ji...@apache.org> on 2026/02/03 20:11:00 UTC
[jira] [Commented] (SOLR-18002) LBHttp2SolrClient doesn't add unresponsive servers to the zombie list
[ https://issues.apache.org/jira/browse/SOLR-18002?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18056308#comment-18056308 ]
ASF subversion and git services commented on SOLR-18002:
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Commit 715658fdd0f5dc90db379442c217e1d7773363d9 in solr's branch refs/heads/jira/SOLR-17975 from jvanneman
[ https://gitbox.apache.org/repos/asf?p=solr.git;h=715658fdd0f ]
SOLR-18002: idle timeouts should cause servers to be added to the zombie list (#3891)
CloudSolrClient/LBSolrClient should consider a retry-able request that times out as another condition to internally mark that replica as a "zombie".
Previously, unresponsive servers continued to receive traffic and high client latencies as the idle timeout is consistently triggered on every request to that replica.
> LBHttp2SolrClient doesn't add unresponsive servers to the zombie list
> ---------------------------------------------------------------------
>
> Key: SOLR-18002
> URL: https://issues.apache.org/jira/browse/SOLR-18002
> Project: Solr
> Issue Type: Bug
> Components: SearchComponents - other
> Affects Versions: 9.10
> Reporter: James Vanneman
> Priority: Major
> Labels: pull-request-available
> Fix For: 10.1
>
> Time Spent: 2h 50m
> Remaining Estimate: 0h
>
> The exception that's triggered when the idle timeout is exceeded is a TimeoutException which does not inherit from IOException and fails the IOException check which would add the unresponsive server to the zombie list. The result is that unresponsive servers continue to receive requests instead of being added to the zombie list and skipped.
>
> The expected behavior is that unresponsive servers that exceed the idle timeout should be marked unhealthy and added to the zombie list.
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