Details
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Improvement
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Status: Resolved
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Critical
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Resolution: Duplicate
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1.3.0, 1.4.0, 1.5.0
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None
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None
Description
i have a kudu cluster
tserver config like this
--fs_wal_dir=/data/kuduTabletDir
--fs_data_dirs=/data/kuduTabletDir
--log_dir=/data/kuduTabletLogDir
in the tserver
cd /data/kuduTabletDir/data
ll | wc -l
1962
cd /data/kuduTabletDir/tablet-meta
ll | wc -l
233
du -sh /data/kuduTabletDir/data
16G /data/kuduTabletDir/data
when i stop and start
I0106 22:59:15.685855 2430 fs_manager.cc:256] Time spent opening block manager: real 449.267s user 0.000s sys 0.000s
it took almost 8 minutes to finish block manager. only 16G data,the disk is ssd
when in lager cluster ,it can spent hours to start
the pstack result is like this .
#0 0x00007fa673052945 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1 0x00000000019638f1 in kudu::AsyncLogger::RunThread() ()
#2 0x00007fa6727d22b0 in ?? () from /lib64/libstdc++.so.6
#3 0x00007fa67304ee25 in start_thread () from /lib64/libpthread.so.0
#4 0x00007fa671f3a34d in clone () from /lib64/libc.so.6
Thread 8 (Thread 0x7fa6700cd700 (LWP 2434)):
#0 0x00007fa673052945 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1 0x00000000019638f1 in kudu::AsyncLogger::RunThread() ()
#2 0x00007fa6727d22b0 in ?? () from /lib64/libstdc++.so.6
#3 0x00007fa67304ee25 in start_thread () from /lib64/libpthread.so.0
#4 0x00007fa671f3a34d in clone () from /lib64/libc.so.6
Thread 7 (Thread 0x7fa66f8cc700 (LWP 2435)):
#0 0x00007fa673052945 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1 0x00000000019638f1 in kudu::AsyncLogger::RunThread() ()
#2 0x00007fa6727d22b0 in ?? () from /lib64/libstdc++.so.6
#3 0x00007fa67304ee25 in start_thread () from /lib64/libpthread.so.0
#4 0x00007fa671f3a34d in clone () from /lib64/libc.so.6
Thread 6 (Thread 0x7fa66f0cb700 (LWP 2436)):
#0 0x00007fa673052cf2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1 0x00000000018cc71e in kudu::ConditionVariable::TimedWait(kudu::MonoDelta const&) const ()
#2 0x00000000019067db in kudu::KernelStackWatchdog::RunThread() ()
#3 0x000000000194fbba in kudu::Thread::SuperviseThread(void*) ()
#4 0x00007fa67304ee25 in start_thread () from /lib64/libpthread.so.0
#5 0x00007fa671f3a34d in clone () from /lib64/libc.so.6
Thread 5 (Thread 0x7fa66e8ca700 (LWP 2437)):
#0 0x00007fa673056371 in sigwait () from /lib64/libpthread.so.0
#1 0x0000000001923ae3 in kudu::MinidumpExceptionHandler::RunUserSignalHandlerThread() ()
#2 0x000000000194fbba in kudu::Thread::SuperviseThread(void*) ()
#3 0x00007fa67304ee25 in start_thread () from /lib64/libpthread.so.0
#4 0x00007fa671f3a34d in clone () from /lib64/libc.so.6
Thread 4 (Thread 0x7fa66e0c9700 (LWP 2438)):
#0 0x00007fa673052945 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1 0x00000000019552e5 in kudu::ThreadPool::DispatchThread(bool) ()
#2 0x000000000194fbba in kudu::Thread::SuperviseThread(void*) ()
#3 0x00007fa67304ee25 in start_thread () from /lib64/libpthread.so.0
#4 0x00007fa671f3a34d in clone () from /lib64/libc.so.6
Thread 3 (Thread 0x7fa66d6b5700 (LWP 2439)):
#0 0x00007fa673052cf2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1 0x00000000018cc71e in kudu::ConditionVariable::TimedWait(kudu::MonoDelta const&) const ()
#2 0x00000000018f7ffc in kudu::FileCache<kudu::RWFile>::RunDescriptorExpiry() ()
#3 0x000000000194fbba in kudu::Thread::SuperviseThread(void*) ()
#4 0x00007fa67304ee25 in start_thread () from /lib64/libpthread.so.0
#5 0x00007fa671f3a34d in clone () from /lib64/libc.so.6
Thread 2 (Thread 0x7fa66ceb4700 (LWP 2440)):
#0 0x00007fa673055f73 in pread64 () from /lib64/libpthread.so.0
#1 0x00000000018e02fe in kudu::(anonymous namespace)::PosixRandomAccessFile::Read(unsigned long, unsigned long, kudu::Slice*, unsigned char*) const ()
#2 0x00000000018ebedf in kudu::env_util::ReadFully(kudu::RandomAccessFile*, unsigned long, unsigned long, kudu::Slice*, unsigned char*) ()
#3 0x0000000001937ca0 in kudu::Status kudu::pb_util::(anonymous namespace)::ValidateAndReadData<kudu::RandomAccessFile>(kudu::RandomAccessFile*, unsigned long, unsigned long*, uns
igned long, kudu::Slice*, std::unique_ptr<unsigned char [], std::default_delete<unsigned char []> >*) [clone .constprop.142] ()
#4 0x000000000193a657 in kudu::Status kudu::pb_util::(anonymous namespace)::ReadPBStartingAt<kudu::RandomAccessFile>(kudu::RandomAccessFile*, int, unsigned long*, google::protobuf
::Message*) ()
#5 0x000000000193b729 in kudu::pb_util::ReadablePBContainerFile::ReadNextPB(google::protobuf::Message*) ()
#6 0x000000000189854c in kudu::fs::internal::LogBlockContainer::ReadContainerRecords(std::deque<kudu::BlockRecordPB, std::allocator<kudu::BlockRecordPB> >*) const ()
#7 0x000000000189b0ed in kudu::fs::LogBlockManager::OpenDataDir(kudu::fs::DataDir*, kudu::Status*) ()
#8 0x0000000001956edd in kudu::FunctionRunnable::Run() ()
#9 0x0000000001954cd3 in kudu::ThreadPool::DispatchThread(bool) ()
#10 0x000000000194fbba in kudu::Thread::SuperviseThread(void*) ()
#11 0x00007fa67304ee25 in start_thread () from /lib64/libpthread.so.0
#12 0x00007fa671f3a34d in clone () from /lib64/libc.so.6
Thread 1 (Thread 0x7fa67426e940 (LWP 2430)):
#0 0x00007fa673052945 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1 0x0000000001953be8 in kudu::ThreadPool::Wait() ()
#2 0x000000000189d380 in kudu::fs::LogBlockManager::Open() ()
#3 0x000000000188f99e in kudu::FsManager::Open() ()
#4 0x00000000008c0011 in kudu::server::ServerBase::Init() ()
#5 0x00000000007d5d2b in kudu::tserver::TabletServer::Init() ()
#6 0x00000000007d450a in kudu::tserver::TabletServerMain(int, char**) ()
#7 0x00007fa671e63c05 in __libc_start_main () from /lib64/libc.so.6
#8 0x00000000007d4181 in _start ()
Attachments
Issue Links
- duplicates
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KUDU-2014 Explore additional approaches to improve LBM startup time
- In Progress