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Type: Bug
Resolution: Done
Priority: Major
Fix Version/s: 8.0 Update 5, 8.0 Update 1.5.0-dev-1
Affects Version/s: None
Component/s: EJB
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None

Blocked:
False
Blocked Reason:
None
Ready:
False
CDW devel_ack:
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CDW qa_ack:
CDW release:
Target Release:

8.0.z.GA
Git Pull Request:
https://github.com/jbossas/jboss-eap8/pull/434
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If many EJB timers were recently removed from the database, then the DatabaseTimerPersistence$RefreshTask can have many existing timers to still process sequentially through this loop here while persistently holding the DatabaseTimerPersistence lock. If there are hundreds of thousands or even millions of existing entries remaining through this synchronized loop, then the lock can be held for 10-20 seconds consecutively or perhaps longer. Any other threads that attempt an EJB timer addition or cancel/removal during that refresh task will be notably delayed till the lock is released after the synchronized loop finishes combing through the existing entries.

clones

WFLY-19681 DatabaseTimerPersistence$RefreshTask can delay other threads' timer additions or removals when detecting many Timer removals from the database

Resolved

is cloned by

JBEAP-27774 [GSS](7.4.z) WFLY-19681 - DatabaseTimerPersistence$RefreshTask can delay other threads' timer additions or removals when detecting many Timer removals from the database

Resolved

is incorporated by

JBEAP-28024 (8.0.z) Upgrade EAP codebase to 8.0.7.GA-redhat-SNAPSHOT in EAP 8.0 Update 5

Resolved

Assignee:: Aaron Ogburn

Reporter:: Aaron Ogburn

Votes:: 0 Vote for this issue

Watchers:: 4 Start watching this issue

Created:: 2024/09/17 8:41 PM

Updated:: 2024/10/29 11:04 PM

Resolved:: 2024/10/02 2:32 PM

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