RE: Windows desktop sqlplus client faster than solaris sqlplus client

Are you forcing it to go out and route back in by the nature of how the configuration is set up ?

In our case, each TNS entry on the server has an IPC connection setup so that calls to the database from the database server never leave the local network setup.

Maybe you might want to start by looking there.

Kevin

-----Original Message-----
From: oracle-l-bounce_at_freelists.org
[mailto:oracle-l-bounce_at_freelists.org] On Behalf Of P Suresh Sent: Thursday, May 12, 2011 4:56 PM
To: oracle-l_at_freelists.org
Subject: Windows desktop sqlplus client faster than solaris sqlplus client

Hi Gurus,

One particular sql runs in less than a sec when run from sqlplus client on desktop whereas it takes 85 seconds for it to complete when run directly on the solaris 10 box where they have this 11g database installed. Since it is the same sql, tuning the sql can be ruled out I think. The execution plans are the same and the cost and cardinality are identical.

In the 10046 traces, I see it has taken 80 seconds for parsing and fetch for the solaris client but just 2 seconds for the deskptop sqlplus client; I was unable to read which step consumed more time. And it takes another 131 seconds until completion for the bad one whereas the good one completes in another 25 seconds.

One difference I see is in the service name SERVICE NAME:(SYS$USERS) for desktop client and SERVICE NAME:(olisdev.leg.state.or.us) for solaris client.

The only difference in 10046 traces is here:

Solaris sqlplus client
WAIT #2: nam='SQL*Net message from client' ela= 140591934 driver id=1413697536 #bytes=1 p3=0 obj#=-1 tim=6200280507074 CLOSE
#2:c=0,e=749,dep=0,type=0,tim=6200280508169

Windows desktop sqlplus client
WAIT #2: nam='SQL*Net message from client' ela= 221491 driver id=1413697536 #bytes=1 p3=0 obj#=-1 tim=6199138319534 CLOSE
#2:c=0,e=95,dep=0,type=0,tim=6199138320012

Can someone please help how to deteremine why the same sql takes more time in solaris sqlplus client? Please let me know if you need to see the complete 10046 traces. Will network/listener/solaris dtraces help?

Thanks a lot,
Suresh

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