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https://issues.apache.org/jira/browse/IGNITE-11798?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17025854#comment-17025854
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Taras Ledkov commented on IGNITE-11798:
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[~amashenkov], that's right.
We must to check reservations map on each exchange because
lastAffinityChangedTopologyVersion may return current version instead of really
last changed version *when exchange isn't done*.
So. reservation map may contain any older versions which is added when query
request is processed.
> Memory leak on unstable topology caused by partition reservation
> ----------------------------------------------------------------
>
> Key: IGNITE-11798
> URL: https://issues.apache.org/jira/browse/IGNITE-11798
> Project: Ignite
> Issue Type: Bug
> Components: cache, sql
> Affects Versions: 2.7
> Reporter: Pavel Vinokurov
> Assignee: Taras Ledkov
> Priority: Major
> Attachments: PartitionReservationReproducer.java
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Executing queries on unstable topology leads to OOM caused by leak of the
> partition reservation.
> The reproducer is attached.
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