[CASSANDRA-16681] org.apache.cassandra.utils.memory.LongBufferPoolTest - tests are flaky

• Type: Bug
• Status: Resolved
• Priority: Normal
• Resolution: Fixed
• Fix Version/s: 3.11.14, 4.0.7, 4.1-rc1, 5.0-alpha1, 5.0
• Component/s: CI
• Bug Category: Correctness - Test Failure
• Severity: Normal
• Complexity: Byzantine
• Discovered By: Unit Test
• Platform: All
• Since Version: 4.0.0

Source Control Link

https://github.com/apache/cassandra/commit/e13356d75d2d3c200f1636337cf15329bd1b829b

Test and Documentation Plan

Unit tested by LongBufferPoolTest and BufferPoolTest.
Documentation: commit message + source code comments where necessary

• Assignee: Piotr Kolaczkowski
• Reporter: Ekaterina Dimitrova

Authors

Piotr Kolaczkowski

Reviewers

Aleksey Yeschenko, Benjamin Lerer

• Created: 19/May/21 19:12
• Updated: 12/Sep/23 13:02
• Resolved: 11/Oct/22 14:54

Description

Jenkins history:

https://jenkins-cm4.apache.org/job/Cassandra-4.0/50/testReport/junit/org.apache.cassandra.utils.memory/LongBufferPoolTest/testPoolAllocateWithRecyclePartially/history/

Fails being run in a loop in CircleCI:

https://app.circleci.com/pipelines/github/ekaterinadimitrova2/cassandra/844/workflows/945011f4-00ac-4678-89f6-5c0db0a40169/jobs/5008

 

Issue Links

• is duplicated by: CASSANDRA-17552 LongBufferPoolTest failing, several data races in BufferPool