[ https://issues.apache.org/jira/browse/KUDU-383?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Adar Dembo resolved KUDU-383. ----------------------------- Resolution: Duplicate Fix Version/s: n/a Yes, I'm closing a bug that's far older than it's duplicate, but KUDU-1913 does a better job of describing the problem. > 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 > Labels: data-scalability > Fix For: n/a > > 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} -- This message was sent by Atlassian JIRA (v6.3.15#6346)