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https://issues.apache.org/jira/browse/IGNITE-11704?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16896866#comment-16896866
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Ignite TC Bot commented on IGNITE-11704:
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{panel:title=Branch: [ignite-11704] Base: [master] : Possible Blockers
(3)|borderStyle=dashed|borderColor=#ccc|titleBGColor=#F7D6C1}
{color:#d04437}Cache 9{color} [[tests
1|https://ci.ignite.apache.org/viewLog.html?buildId=4432456]]
* IgniteCacheTestSuite9:
CacheRemoveWithTombstonesLoadTest.testRemoveAndRebalanceWithPersistence - New
test duration 79s is more that 1 minute
{color:#d04437}MVCC Cache 9{color} [[tests
2|https://ci.ignite.apache.org/viewLog.html?buildId=4432458]]
* IgniteCacheMvccTestSuite9:
CacheRemoveWithTombstonesLoadTest.testRemoveAndRebalance - New test duration
81s is more that 1 minute
* IgniteCacheMvccTestSuite9:
CacheRemoveWithTombstonesLoadTest.testRemoveAndRebalanceWithPersistence - New
test duration 113s is more that 1 minute
{panel}
[TeamCity *--> Run :: All*
Results|https://ci.ignite.apache.org/viewLog.html?buildId=4423153&buildTypeId=IgniteTests24Java8_RunAll]
> Write tombstones during rebalance to get rid of deferred delete buffer
> ----------------------------------------------------------------------
>
> Key: IGNITE-11704
> URL: https://issues.apache.org/jira/browse/IGNITE-11704
> Project: Ignite
> Issue Type: Improvement
> Reporter: Alexey Goncharuk
> Assignee: Semen Boikov
> Priority: Major
> Labels: rebalance
>
> Currently Ignite relies on deferred delete buffer in order to handle
> write-remove conflicts during rebalance. Given the limit size of the buffer,
> this approach is fundamentally flawed, especially in case when persistence is
> enabled.
> I suggest to extend the logic of data storage to be able to store key
> tombstones - to keep version for deleted entries. The tombstones will be
> stored when rebalance is in progress and should be cleaned up when rebalance
> is completed.
> Later this approach may be used to implement fast partition rebalance based
> on merkle trees (in this case, tombstones should be written on an incomplete
> baseline).
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