[ https://issues.apache.org/jira/browse/CASSANDRA-15013?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Benedict updated CASSANDRA-15013: --------------------------------- Status: Review In Progress (was: Patch Available) > 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, > 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