Symptom
- 'Alter Table MOVE partition' execution encountered lot of deadlock avoiding messages, After that server ran into crash with stack symbols "TDSPres::RcvLoginMsg" & "TDSPres::RequestLogin".
- From zrlog :
...
10/14 08:31:06.482,<,570,EXEC_ANY_IMM,alter table "USER"."USER_TEST_Table" move partition "NOV_22" to "Partition_01"
- IQMSG :
...
I. 10/14 08:31:06. 0000001081 Connect: SA connHandle: 570 SA connID: 55 IQ connID: 0000001081 User: DBA
I. 10/14 08:31:09. 0000001081 ALTER MOVE TABLE PARTITION
I. 10/14 09:49:43. 0000001081 [bmp-trace-tout][rpbid] tid:139878642972416 bmp:0x7f42803d0d18 lbn:4832088 next-lbn:0 pbn:251089927 nb: compr?1 updateNext?1
I. 10/14 09:49:43. 0000001081 INFO s_bufpartition::GetCleanPage is working diligently to prevent a deadlock. Please be patient. retry=1, tid=139878642972416 s_buf=0x7f2c74de4970 btype=13
- From zrlog :
- The deadlock messages were displayed until IQ crash with stack trace at 2023-10-14 15:39:17.
** Error from IQ connection: NONE
** Time of error: 2023-10-14 15:39:17
** IQ Version: SAP IQ/16.1.050/13176/P/SP05.09
** OS info: IQ built on: Linux/Linux64 - x86_64 - 3.10.0-327, ...
** Command status when error occurred: NO COMMAND OR CURSOR ACTIVE
** Dump all thread stacks at stcxtlib/st_server.cxx:2488 for PID: 1536923
===== Thread Number ... =====
..
.. DumpAllThreads( ..
.. hos_ABORT( ..
.. SigHndlr+11c
.. <unknown>
.. TDSPres::RcvLoginMsg( ..
.. TDSPres::RequestLogin( ..
.. TDSPres::PresReceiveRequest( ..
.. RequestProcedure::call( ..
.. Worker::spawn( ..
.. EngStream::handle_ind( ..
.. EngStream::execute( ..
.. RQConnItem::do_request( ..
.. RQBaseItem::do_work( ..
.. RequestQueue::worker_body( ..
..
Read more...
Environment
SAP IQ 16.1 SP05 PL09
Keywords
RcvLoginMsg, deadlock, GetCleanPage, table partition, , KBA , BC-SYB-IQ , Sybase IQ , BW-SYS-DB-IQ , BW on HANA with Sybase IQ Near-line Storage , Known Error
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