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Sumanth Pasupuleti commented on CASSANDRA-15013: ------------------------------------------------ Sure [~benedict]. Here are the patches: *3.0* Patch: [^15013-3.0.txt] Passing UTs and DTests https://circleci.com/workflow-run/c7889003-9c58-4099-9530-0439bf241238 Github branch: https://github.com/apache/cassandra/compare/cassandra-3.0...sumanth-pasupuleti:15013_3.0?expand=1 *3.11* Patch: [^15013-3.11.txt] Passing UTs and DTests https://circleci.com/workflow-run/46de0958-850a-4531-a15f-fd1df0c65aac Github branch: https://github.com/apache/cassandra/compare/cassandra-3.11...sumanth-pasupuleti:15013_3.11?expand=1 *trunk* Patch: [^15013-trunk.txt] Passing UTs and DTests https://circleci.com/workflow-run/67e43b0b-7f13-4de2-8fbd-7cab3d72b607 Github branch: https://github.com/apache/cassandra/compare/trunk...sumanth-pasupuleti:15013_trunk?expand=1 > 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: 15013-3.0.txt, 15013-3.11.txt, 15013-trunk.txt, > BlockedEpollEventLoopFromHeapDump.png, > BlockedEpollEventLoopFromThreadDump.png, RequestExecutorQueueFull.png, heap > dump showing each ImmediateFlusher taking upto 600MB.png, > perftest2_15013_base_flamegraph.svg, perftest2_15013_patch_flamegraph.svg, > perftest2_blocked_threadpool.png, perftest2_cpu_usage.png, > perftest2_heap.png, perftest2_read_latency_99th.png, > perftest2_read_latency_avg.png, perftest2_readops.png, > perftest2_write_latency_99th.png, perftest2_write_latency_avg.png, > perftest2_writeops.png, perftest_blockedthreads.png, > perftest_connections_count.png, perftest_cpu_usage.png, > perftest_heap_usage.png, perftest_readlatency_99th.png, > perftest_readlatency_avg.png, perftest_readops.png, > perftest_writelatency_99th.png, perftest_writelatency_avg.png, > perftest_writeops.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. -- This message was sent by Atlassian JIRA (v7.6.14#76016) --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@cassandra.apache.org For additional commands, e-mail: commits-h...@cassandra.apache.org