Subject: [jira] [Updated] (SOLR-11069) CDCR bootstrapping
causes a core reload which loses the state of a
bootstrap leading to infinite bootstrapping




[
https://issues.apache.org/jira/browse/SOLR-11069?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Erick Erickson updated SOLR-11069:
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Summary: CDCR bootstrapping causes a core reload which loses the state of a
bootstrap leading to infinite bootstrapping (was: LASTPROCESSEDVERSION for
CDCR is flawed when buffering is enabled)

> CDCR bootstrapping causes a core reload which loses the state of a bootstrap
> leading to infinite bootstrapping
> --------------------------------------------------------------------------------------------------------------
>
> Key: SOLR-11069
> URL: https://issues.apache.org/jira/browse/SOLR-11069
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: CDCR
> Affects Versions: 7.0
> Reporter: Amrit Sarkar
> Assignee: Erick Erickson
>
> {{LASTPROCESSEDVERSION}} (a.b.v. LPV) action for CDCR breaks down due to
> poorly initialised and maintained buffer log for either source or target
> cluster core nodes.
> If buffer is enabled for cores of either source or target cluster, it return
> {{-1}}, *irrespective of number of entries in tlog read by the {{leader}}*
> node of each shard of respective collection of respective cluster. Once
> disabled, it starts telling us the correct LPV for each core.
> Due to the sa...

me flawed behavior, Update Log Synchroniser may doesn't work

> properly as expected, i.e. provides incorrect seek to the {{non-leader}}
> nodes to advance at. I am not sure whether this is an intended behavior for
> sync but it surely doesn't feel right.



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