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DB2 - Problem description

Problem IC81849 Status: Closed

NOT ALL CASTOUT ENGINES ARE HELPING WITH SYNCHRONOUS CASTOUT REQUESTS

product:
DB2 FOR LUW / DB2FORLUW / 980 - DB2
Problem description:
Due to an issue in waking up castout engines, fewer castout 
engines than configured may end up working on a set of castout 
requests. In some cases, the same castout engine may get woken 
up repeatedly, which may result in sub-optimal performance when 
processing castout requests. This problem is less apparent on 
I/O-bound clusters where most castout engines are already busy 
processing I/O requests.
Problem Summary:
**************************************************************** 
* USERS AFFECTED:                                              * 
* See APAR description                                         * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* See APAR description                                         * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Upgrade to IBM DB2 for Linux, UNIX, and Windows 9.8 Fix Pack * 
* 5.                                                           * 
****************************************************************
Local Fix:


Solution


Problem first fixed in IBM DB2 for Linux, UNIX, and Windows 9.8 
Fix Pack 5.


Workaround


not known / see Local fix


Timestamps


Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :

06.03.2012
11.07.2012
11.07.2012


Problem solved at the following versions (IBM BugInfos)


9.8.,
9.8.FP*



Problem solved according to the fixlist(s) of the following version(s)


9.8.0.5

FixList