Symptom
Backup of nameserver topology does not show any progress in HANA Studio.
Threads in HANA Studio appear like this:
Port | Service | Thread Method | Thread Detail | Thread Status |
30001 | nameserver | Request | core/stat | Running |
30001 | nameserver | JobWorker | Backup::BackupExe_Job | Semaphore Wait |
30001 | nameserver | JobWorker | Backup::BackupExe_Job | Semaphore Wait |
30001 | nameserver | JobWorker | Unnamed-PipeChannelJob | Sleeping |
30001 | nameserver | Request | BackupManager | Job Exec Waiting |
30001 | nameserver | Request | _IDX_BackupExecutor | Semaphore Wait |
"Sleeping" thread "Unnamed-PipeChannelJob" is hanging with the following call stack:
1: __nanosleep_nocancel
2: usleep
3: Execution::milliSleep
4: Stream::WritePipeChannel::triggerOpen()
5: Stream::PipeChannel::triggerWrite
6: Stream::PipeChannelJob::run
7: Execution::JobObjectImpl::run
8: Execution::JobWorker::runJob(ltt::smartptr_handle<Execution::JobObjectForHandle>&)
9: Execution::JobWorker::run(void*&)
10: Execution::Thread::staticMainImp(void**)
11: Execution::Thread::staticMain(void*)
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Environment
SAP HANA Database 1.0
Keywords
KBA , HAN-DB-BAC , SAP HANA Backup & Recovery , Problem
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