2749432 - Parallel process hung | SAP Knowledge Base Article

Symptom

A parallel query hangs. The worker process remains in 'sync sleep’.

Functions in the stack for parent process:

========

upsleepgeneric
kmrtmsg
smget
uwwait
LeEmittOp::_preDisconnect
LeEmittOp::_LeOpRelease
LePlanRelease

========

All the worker processes are sleeping on "uwrecv" and "kw_member":

========

upsleepgeneric
uwrecv+0x196
kw_member

========

Environment

SAP Adaptive Server Enterprise 16.0 SP03 PL05

Product

SAP Adaptive Server Enterprise 16.0

Keywords

parallel parallelism hung hang LeEmittOp::_preDisconnect kmrtmsg smget uwwait LeEmittOp::_LeOpRelease LePlanRelease uwrecv kw_member sync sleep 818212 , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Problem

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