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https://issues.apache.org/jira/browse/IGNITE-8544?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16482588#comment-16482588
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ASF GitHub Bot commented on IGNITE-8544:
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GitHub user Jokser opened a pull request:
https://github.com/apache/ignite/pull/4039
IGNITE-8544 Use exchange result topology version for local wal state change
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/gridgain/apache-ignite ignite-8544
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/ignite/pull/4039.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #4039
----
commit 139a1fe580f777c081d073cca8199369de1878dd
Author: Pavel Kovalenko <jokserfn@...>
Date: 2018-05-21T15:01:21Z
IGNITE-8544 Use exchange result topology version for local wal state
management.
----
> WAL disabling during rebalance mechanism uses wrong topology version in case
> of exchanges merge
> -----------------------------------------------------------------------------------------------
>
> Key: IGNITE-8544
> URL: https://issues.apache.org/jira/browse/IGNITE-8544
> Project: Ignite
> Issue Type: Bug
> Components: cache
> Affects Versions: 2.5
> Reporter: Pavel Kovalenko
> Assignee: Pavel Kovalenko
> Priority: Critical
> Fix For: 2.6
>
>
> After exchange is done, we're using initial exchange version to determine
> topology version on what rebalance should be finished and save it. After
> rebalance finishing we check current topology version and saved version and
> if they are equal, we enable WAL, own partitions and do checkpoint. In other
> case we do nothing, because of topology change.
> In case of exchanges merge we're saving old topology version (before merge)
> and it leads to ignoring logic of enabling WAL and etc, because check on
> topology version will be always false-negative.
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