DB2 - Problembeschreibung
| Problem IC80424 | Status: Geschlossen |
DB2 may encounter 'deadlock' on system catalog SYSIBM.SYSCOLAUTH when performing two DROP TABLE statements simultaneously. | |
| Produkt: | |
DB2 FOR LUW / DB2FORLUW / 970 - DB2 | |
| Problembeschreibung: | |
Deadlocks on system catalog may occur when concurrently perform
two DROP TABLE statements on two different tables.
To identify the problem, you need to use DB2 event monitor to
collect detailed information for deadlocks.
When the deadlock error occurs, in the event monitor output you
will see the following entries:
=============================================
Table of lock waited on : SYSPLANDEP
Schema of lock waited on : SYSIBM
Type of lock: Row
Mode of lock: X - Exclusive
Mode application requested on lock: S - Share
Text : drop table NEWTON.T1
Table of lock waited on : SYSCOLAUTH
Schema of lock waited on : SYSIBM
Type of lock: Row
Mode of lock: U - Update
Mode application requested on lock: U - Update
Text : drop table NEWTON.T2
============================================= | |
| Problem-Zusammenfassung: | |
**************************************************************** * USERS AFFECTED: * * All users of version 9.7 on Linux, Unix and Windows * * platforms. * **************************************************************** * PROBLEM DESCRIPTION: * * See Error Description * **************************************************************** * RECOMMENDATION: * * Upgrade to DB2 LUW Version 9.7 FixPak 6 or higher levels. * **************************************************************** | |
| Local-Fix: | |
Perform the two DROP TABLE statements sequentially. | |
| verfügbare FixPacks: | |
DB2 Version 9.7 Fix Pack 6 for Linux, UNIX, and Windows | |
| Lösung | |
First fixed in DB2 LUW Version 9.7 FixPak 6. | |
| Workaround | |
Perform the two DROP TABLE statements sequentially. | |
| Weitere Daten | |
Datum - Problem gemeldet : Datum - Problem geschlossen : Datum - der letzten Änderung: | 14.12.2011 11.06.2012 11.06.2012 |
| Problem behoben ab folgender Versionen (IBM BugInfos) | |
9.7. | |
| Problem behoben lt. FixList in der Version | |
| 9.7.0.6 |
|