Rebalance Slow::ARB slave busy writing on trace directory
(Doc ID 2732637.1)
Last updated on APRIL 17, 2023
Applies to:
Oracle Database - Enterprise Edition - Version 19.8.0.0.0 and laterInformation in this document applies to any platform.
Symptoms
After flash cache failure , rebalance was slow .
ARB0 slave was busy writing on trace file directory.
is on CPU or Wait CPU:
{
last wait: 2 min 18 sec ago
blocking: 0 sessions
current sql_id: 0
current sql:
short stack: ksedsts()+426<-ksdxfstk()+58<-ksdxcb()+872<-sspuser()+200
<-__sighandler()<-write()+16<-sdbgrfwf_write_file()+56<-dbgtfdFileWrite()+763
<-dbgtfdFileAccessCbk()+830<-dbgtfPutStr()+571<-dbktPri()+184<-ksdwri()+532
<-kghmemdmp2()+1270<-kffscrubDumpExtentSet()+878<-kffCheckRepairBlock()+5781
<-kffRelocateAdvance()+2495<-kffRelocateWaitIO()+821<-kffRelocateWait()+79
<-kffRelocateInt()+1422<-kffRelocate()+82<-kfdaExecute()+6095<-kfdxWork()+6687
<-kfdxExecute()+150<-kfgbRebalExecute()+2677<-kfgbDriver()+1683<-ksb_act_run_int()
wait history:
1. event: 'GCS lock esc X'
time waited: 0.000247 sec
wait id: 12305 p1: 'group'=0x1
p2: 'obj#'=0x267
p3: 'block#'=0x800000b9
* time between wait #1 and #2: 0.000989 sec
2. event: 'ASM IO for non-blocking poll'
time waited: 0.000008 sec
wait id: 12304 p1: 'count'=0x13
Cause
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In this Document
| Symptoms |
| Cause |
| Solution |