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https://issues.apache.org/jira/browse/CASSANDRA-15013?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sumanth Pasupuleti updated CASSANDRA-15013:
-------------------------------------------
Test and Documentation Plan:
Passing UTs: https://circleci.com/gh/sumanth-pasupuleti/cassandra/288
Passing jvm dtests: https://circleci.com/gh/sumanth-pasupuleti/cassandra/287
DTests with 2 failures (seems unrelated):
https://circleci.com/gh/sumanth-pasupuleti/cassandra/290#tests/containers/81,
https://circleci.com/gh/sumanth-pasupuleti/cassandra/289#tests/containers/66
was:
Pull Request: https://github.com/apache/cassandra/pull/308
Passing UTs: https://circleci.com/gh/sumanth-pasupuleti/cassandra/261
Passing JVM DTests: https://circleci.com/gh/sumanth-pasupuleti/cassandra/260
Passing DTests with vnodes:
https://circleci.com/gh/sumanth-pasupuleti/cassandra/262
DTests without vnodes with two failures:
https://circleci.com/gh/sumanth-pasupuleti/cassandra/263 (looking into the two
failures)
Status: Patch Available (was: In Progress)
> Message Flusher queue can grow unbounded, potentially running JVM out of
> memory
> -------------------------------------------------------------------------------
>
> Key: CASSANDRA-15013
> URL: https://issues.apache.org/jira/browse/CASSANDRA-15013
> Project: Cassandra
> Issue Type: Bug
> Components: Messaging/Client
> Reporter: Sumanth Pasupuleti
> Assignee: Sumanth Pasupuleti
> Priority: Normal
> Labels: pull-request-available
> Fix For: 4.0, 3.0.x, 3.11.x
>
> Attachments: BlockedEpollEventLoopFromHeapDump.png,
> BlockedEpollEventLoopFromThreadDump.png, RequestExecutorQueueFull.png, heap
> dump showing each ImmediateFlusher taking upto 600MB.png
>
>
> This is a follow-up ticket out of CASSANDRA-14855, to make the Flusher queue
> bounded, since, in the current state, items get added to the queue without
> any checks on queue size, nor with any checks on netty outbound buffer to
> check the isWritable state.
> We are seeing this issue hit our production 3.0 clusters quite often.
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