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https://issues.apache.org/jira/browse/KUDU-383?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Adar Dembo updated KUDU-383:
----------------------------
Issue Type: Sub-task (was: Bug)
Parent: KUDU-1967
> Massive numbers of threads used by log append and GC
> ----------------------------------------------------
>
> Key: KUDU-383
> URL: https://issues.apache.org/jira/browse/KUDU-383
> Project: Kudu
> Issue Type: Sub-task
> Components: log
> Affects Versions: M4.5
> Reporter: Mike Percy
> Assignee: Adar Dembo
> Labels: data-scalability
> Attachments: create-table-stress-test-10697.txt.gz
>
>
> {noformat}
> $ ../../build-support/stacktrace-thread-summary.pl
> create-table-stress-test-10697.txt | awk '{print $3}' | sort | uniq -c | sort
> -n
> 1 kudu::KernelStackWatchdog::RunThread()
> 1 kudu::MaintenanceManager::RunSchedulerThread()
> 1 kudu::master::CatalogManagerBgTasks::Run()
> 1 kudu::tserver::Heartbeater::Thread::RunThread()
> 1 kudu::tserver::ScannerManager::RunRemovalThread()
> 1 main
> 1 timer_helper_thread
> 1 timer_sigev_thread
> 2 kudu::rpc::AcceptorPool::RunThread()
> 2 master_thread
> 4 kudu::ThreadPool::DispatchThread(bool)
> 12 kudu::rpc::ReactorThread::RunThread()
> 20 kudu::rpc::ServicePool::RunThread()
> 3291 kudu::log::Log::AppendThread::RunThread()
> 3291 kudu::tablet::TabletPeer::RunLogGC()
> W0626 02:09:16.853266 27997 messenger.cc:187] Unable to handle RPC call:
> Service unavailable: TSHeartbeat request on kudu.master.MasterService from
> 127.0.0.1:46937 dropped due to backpressure. The service queue is full; it
> has 50 items.
> W0626 02:09:16.854862 28074 heartbeater.cc:278] Failed to heartbeat: Remote
> error: Failed to send heartbeat: Service unavailable: TSHeartbeat request on
> kudu.master.MasterService from 127.0.0.1:46937 dropped due to backpressure.
> The service queue is full; it has 50 items.
> W0626 02:09:16.882686 27997 messenger.cc:187] Unable to handle RPC call:
> Service unavailable: TSHeartbeat request on kudu.master.MasterService from
> 127.0.0.1:46937 dropped due to backpressure. The service queue is full; it
> has 50 items.
> W0626 02:09:16.884294 28074 heartbeater.cc:278] Failed to heartbeat: Remote
> error: Failed to send heartbeat: Service unavailable: TSHeartbeat request on
> kudu.master.MasterService from 127.0.0.1:46937 dropped due to backpressure.
> The service queue is full; it has 50 items.
> F0626 02:09:31.747577 10965 test_main.cc:63] Maximum unit test time exceeded
> (900 sec)
> {noformat}
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