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https://issues.apache.org/jira/browse/SOLR-11656?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16305680#comment-16305680
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Samuel Tatipamula commented on SOLR-11656:
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[~erickerickson] I have observed that, once a reload command is issued on a
collection, all PULL replicas stop replicating. Thought this may be similar to
the issue being discussed here. Check
https://issues.apache.org/jira/browse/SOLR-11794 for more details.
> TLOG replication doesn't work properly after rebalancing leaders.
> -----------------------------------------------------------------
>
> Key: SOLR-11656
> URL: https://issues.apache.org/jira/browse/SOLR-11656
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: replication (java)
> Affects Versions: 7.1
> Reporter: Yuki Yano
> Assignee: Erick Erickson
> Attachments: SOLR-11656.patch
>
>
> With TLOG replica type, the replication may stop after invoking rebalance
> leaders API.
> This can be reproduced by following steps:
> # Create SolrCloud with TLOG replica type.
> # Set perferredleader flag to some of no-leader nodes.
> # Invoke rebalance leaders API.
> # The replication stops in nodes which were "leader" before rebalancing.
> Because the leader node doesn't have the replication thread, we need to
> create it when the status is changed from "leader" to "replica". On the other
> hand, rebalance leaders API doesn't consider this matter, and the replication
> may stop if the status is changed from "leader" to "replica" by rebalance
> leaders.
> Note that, we can avoid this problem if we reload or restart Solr after
> rebalancing leaders.
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