Schmuel:
The only explanation I got was that the application developer was inserting
a transaction pointer into a large linked list and acquired the lock before
searching the list to find the insert point. It was a custom application
written for a very large customer. Someone else mentioned that it seemed an
improbable scenario. Be that as it may, it happened.
Bill
From: "Shmuel Metz (Seymour J.)" <[EMAIL PROTECTED]>
Reply-To: IBM Mainframe Discussion List <[email protected]>
To: [email protected]
Subject: Re: Each CPU usage
Date: Tue, 28 Aug 2007 18:33:37 -0300
In <[EMAIL PROTECTED]>, on 08/26/2007
at 10:34 PM, Bill Wilkie <[EMAIL PROTECTED]> said:
>I would suggest that before you do the upgrade, check out SMF for
>excessive spin records
Why would an application, or CICS, acquire a spin lock in the first
place?
--
Shmuel (Seymour J.) Metz, SysProg and JOAT
ISO position; see <http://patriot.net/~shmuel/resume/brief.html>
We don't care. We don't have to care, we're Congress.
(S877: The Shut up and Eat Your spam act of 2003)
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