Sessions Spinnning on 'KglLock' Waiting for Library Cache Lock Blocked by LGWR in ADG (Doc ID 2552286.1)

Last updated on APRIL 17, 2023

Applies to:

Symptoms

• In an ADG customer environment, there is a spin in kglLock where blocking sessions per hang analysis with the following top call stack:
  kgxExclusive<-kglGetMutex<-kglLock<-kglget<-kglgob<-kzpchkc
  <-kzpchkbu_internal<-ksfchk<-kglchk3<-kglchk2<-kglchk1
  <-qcsCheckPriv<-qcsbxl<-qcspqbDescendents<-qcspqb
  qcspqbDescendents
   

Changes

Cause

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