home clear 64x64
en blue 200x116 de orange 200x116 info letter User
suche 36x36
Latest versionsfixlist
11.1.0.7 FixList
10.5.0.9 FixList
10.1.0.6 FixList
9.8.0.5 FixList
9.7.0.11 FixList
9.5.0.10 FixList
9.1.0.12 FixList
Have problems? - contact us.
Register for free anmeldung-x26
Contact form kontakt-x26

DB2 - Problem description

Problem IC66228 Status: Closed

IN RARE TIMING SCENARIOS WHEN INTRA_PARALLEL ENABLED, A SORT OPERATION THAT
SPILLS MAY FAIL WITH SQLSMERGEREC, PROBE:2050.

product:
DB2 FOR LUW / DB2FORLUW / 910 - DB2
Problem description:
When the intra_parallel db config parameter is enabled, in some 
rare race-condition timing scenarios a sort operation that 
spills to a temp table may fail with the following db2diag.log 
entry: 
 
2009-11-11-11.01.15.322651+480 I84870761A521      LEVEL: Severe 
PID     : 2478472              TID  : 1           PROC : 
db2agntp (FJDWDB) 32 
INSTANCE: fjdwinst             NODE : 032 
APPHDL  : 1-456                APPID: O68150A7.M30A.027703061026 
AUTHID  : MK 
FUNCTION: DB2 UDB, sort/list services, sqlsmergerec, probe:2050 
MESSAGE : Creating Temporary Table for sort spill, but one 
already exists. 
          Aborting sort operation. Contact IBM Support. 
slestatus = 870c40, 
          poolID = 1, objectID = 26
Problem Summary:
**************************************************************** 
* USERS AFFECTED:                                              * 
* All users of version 9.1 on Linux, Unix and Windows          * 
* platforms.                                                   * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* When the intra_parallel db config parameter is enabled, in   * 
* some rare race-condition timing scenarios a sort operation   * 
* that spills to a temp table may fail with the following      * 
* db2diag.log entry:                                           * 
*                                                              * 
* 2009-11-11-11.01.15.322651+480 I84870761A521      LEVEL:     * 
* Severe                                                       * 
* PID     : 2478472              TID  : 1           PROC :     * 
* db2agntp (FJDWDB) 32                                         * 
* INSTANCE: fjdwinst             NODE : 032                    * 
* APPHDL  : 1-456                APPID:                        * 
* O68150A7.M30A.027703061026                                   * 
* AUTHID  : MK                                                 * 
* FUNCTION: DB2 UDB, sort/list services, sqlsmergerec,         * 
* probe:2050                                                   * 
* MESSAGE : Creating Temporary Table for sort spill, but one   * 
* already exists.                                              * 
* Aborting sort operation. Contact IBM Support.                * 
* slestatus = 870c40,                                          * 
* poolID = 1, objectID = 26                                    * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Upgrade to DB2 UDB Version 9.1 FixPak 10 or higher levels.   * 
****************************************************************
Local Fix:
disable intra_parallel db config parameter (which will have 
performance implications).
available fix packs:
DB2 Version 9.1 Fix Pack 10  for Linux, UNIX and Windows
DB2 Version 9.1 Fix Pack 11  for Linux, UNIX and Windows
DB2 Version 9.1 Fix Pack 12  for Linux, UNIX and Windows

Solution
First fixed in DB2 UDB Version 9.1 FixPak 10.
Workaround
disable intra_parallel db config parameter (which will have 
performance implications).
BUG-Tracking
forerunner  : APAR is sysrouted TO one or more of the following: IC66267 IC66268 IC72099 
follow-up : 
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
11.02.2010
20.06.2011
20.06.2011
Problem solved at the following versions (IBM BugInfos)
9.1.
Problem solved according to the fixlist(s) of the following version(s)
9.1.0.10 FixList