Poor Performance Writing Blobs

(Doc ID 393780.1)

Last updated on DECEMBER 06, 2016

Applies to:

Oracle Server - Enterprise Edition - Version: 10.2.0.1 to 10.2.0.5
Sun Solaris SPARC (64-bit)
Sun Solaris SPARC (32-bit)

Symptoms

A job that is writting BLOBs is taking along time to complete and consumes a lot of CPU.

The 'pstack' output of the spinning process shows :

__fdsync ksfdsyncdata kcflsync kcblsy kcblcn kcblrr
kcbldrcls kdlpdba ktsplbfmb ktsplbrecl ktspgsp_cbk1 kdlgsp
kdlsfb kdl_write1 kokliccb koklcre kokleva evaopn2
insolev insbrp insrow insdrv inscovexe insExecStmtExecIniEngine
insexe opiexe kpoal8 opiodr ttcpip opitsk
opiino opiodr opidrv sou2o opimai_real main
_start

Cause

Sign In with your My Oracle Support account

Don't have a My Oracle Support account? Click to get started

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms