Sumanth Pasupuleti created CASSANDRA-15013:
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Summary: 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
Fix For: 4.0, 3.0.x, 3.11.x
Attachments: 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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