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[fix][broker] Restore solution for certain topic unloading race conditions #20527
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lhotari
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lhotari:lh-fix-persistenttopic-remove-from-cache
Jun 7, 2023
Merged
[fix][broker] Restore solution for certain topic unloading race conditions #20527
lhotari
merged 1 commit into
apache:master
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lhotari:lh-fix-persistenttopic-remove-from-cache
Jun 7, 2023
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… race conditions - solution was introduced in apache#17526 - however, it was accidentially replaced with a call to the incorrect method signature in apache#17736
lhotari
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Jun 7, 2023
lhotari
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eolivelli,
nicoloboschi,
poorbarcode and
michaeljmarshall
June 7, 2023 11:35
eolivelli
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Great catch
Removing the old method is good as we won't fall again into the same issue
poorbarcode
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Jun 7, 2023
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Jun 7, 2023
…tions (apache#20527) (cherry picked from commit 03f9167)
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Archived: 2.9 is end of life
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area/broker
cherry-picked/branch-2.9
Archived: 2.9 is end of life
cherry-picked/branch-2.10
cherry-picked/branch-2.11
cherry-picked/branch-3.0
doc-not-needed
Your PR changes do not impact docs
ready-to-test
release/3.0.1
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The PR fixed a bug or issue reported a bug
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Motivation
It's possible to get into a situation where there are multiple topic instances for the same topic getting unloaded and loaded in the same broker concurrently.
A solution for addressing this problem was introduced in #17526.
However, the solution was removed in #17736 since the call
brokerService.removeTopicFromCache(PersistentTopic.this)
was replaced with the callbrokerService.removeTopicFromCache(topic)
since there was the old method signature available in the class.Modifications
brokerService.removeTopicFromCache(PersistentTopic.this)
Documentation
doc
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