DB2 - Problem description
Problem IC80695 | Status: Closed |
PACKAGE CACHE MAY BE FILLED UP WITH MANY VARIATIONS OF "SET CURRENT ..." STATEMENTS. | |
product: | |
DB2 FOR LUW / DB2FORLUW / 970 - DB2 | |
Problem description: | |
Package cache may be filled up with variations of "SET CURRENT... " statement when these statements are sent via the EXCSQLSET drda request, sent to db2 server. Client re-route is one method that can potentially flow EXCSQLSET drda request frequently. This problem can be confirmed with db2pd -db <dbname> -dynamic at "Dynamic SQL Variations:" section. Following is the sample of output showing high number of VarID column on the same AnchID,StmtUID, with Val column showing "N" ( not valid ) Address AnchID StmtUID EnvID VarID NumRef Typ Lockname Val Insert Time Sect Size 0x0700000311DD0080 255 1 1 294289 1 9 0000000100047D9100011FE256 N 2012-01-04-22.30.39.555702 1736 0x0700000311DE6E00 255 1 1 294288 1 9 0000000100047D9000011FE256 N 2012-01-04-22.30.39.467800 1736 0x0700000311DE52A0 255 1 1 294287 1 9 0000000100047D8F00011FE256 N 2012-01-04-22.30.39.201001 1736 0x0700000311DE3740 255 1 1 294286 1 9 0000000100047D8E00011FE256 N 2012-01-04-22.30.39.107542 1736 0x0700000311DE1BE0 255 1 1 294285 1 9 0000000100047D8D00011FE256 N 2012-01-04-22.30.39.011197 1736 0x0700000311DE0080 255 1 1 294284 1 9 0000000100047D8C00011FE256 N 2012-01-04-22.30.38.924375 1736 0x0700000311DF6E00 255 1 1 294283 1 9 0000000100047D8B00011FE256 N 2012-01-04-22.30.38.222125 1736 These redundant variation can not be flushed with "db2 flush package cache dynamic" | |
Problem Summary: | |
**************************************************************** * USERS AFFECTED: * * DB2 UDB Version 9.7 * **************************************************************** * PROBLEM DESCRIPTION: * * See Error Description * **************************************************************** * RECOMMENDATION: * * Upgrade to Version 9.7 FixPack 6. * **************************************************************** | |
Local Fix: | |
Reduce the package cache size, as these redundant variation will be dropped from package cache when db2 see package cache filled up to configured size, and it need new space in package cache. | |
available fix packs: | |
DB2 Version 9.7 Fix Pack 6 for Linux, UNIX, and Windows | |
Solution | |
Problem was first fixed in DB2 UDB Version 9.7 FixPack 6. | |
Workaround | |
not known / see Local fix | |
BUG-Tracking | |
forerunner : APAR is sysrouted TO one or more of the following: IC80713 IC81265 IC84332 follow-up : | |
Timestamps | |
Date - problem reported : Date - problem closed : Date - last modified : | 06.01.2012 06.06.2012 06.06.2012 |
Problem solved at the following versions (IBM BugInfos) | |
9.7.FP6 | |
Problem solved according to the fixlist(s) of the following version(s) | |
9.7.0.6 |