|
Problem IC61978
|
Status: Closed |
THE INSTANCE CAN CRASH BY AN ACCESS VIOLATION DURING THE INDEX ANDING OPERATION WITH OVER 4G SHARED SORT HEAP |
| product: |
DB2 FOR LUW / DB2FORLUW / 970 - DB2 |
| Problem description: |
On systems with more then 4GB availabe SortHeap instance can
trap with this stack:
sqlriBFSetBuildFilter
sqlri_BFBandP
sqliScanLeaf2NoLocking or sqliScanLeaf2
sqlifnxt
sqlirdk
sqldIndexFetch
sqldRowFetch |
| Problem Summary: |
****************************************************************
* USERS AFFECTED: *
* database configured with over 4G-byte shared sort heap *
****************************************************************
* PROBLEM DESCRIPTION: *
* The access violation exception or SIGSEGV signal trap *
* canbemade during the index anding operation with *
* over4G-byteshared sort heap.This can be made because the *
* indexanding buffer sizemismatches with the allocated *
* size.Thefollowing stack is an eye-catcher of *
* thisissue.sqlriBFSetBuildFiltersqlri_BFBandPsqliScanLeaf2NoLoc
* sqliScanLeaf2sqlifnxtsqlirdksqldIndexFetchsqldRowFetch *
****************************************************************
* RECOMMENDATION: *
* Upgrade to db2 Version 9.7 FixPack 2 *
**************************************************************** |
| Local Fix: |
The followings can be a workaround for this issue.
- To make a plan which contains no index anding operators
- To tune up SORTHEAP, SHEAPTHRES_SHR, SHEAPTHRES db
configuration value to make less size of the shared sort heap
than 4G-byte |
| available fix packs: |
DB2 Version 9.7 Fix Pack 2 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 3 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 3a for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 4 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 5 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 6 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 7 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 9a for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 8 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 9 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 10 for Linux, UNIX, and Windows
|
| Solution |
Problem was first fixed in Version 9.7 FixPack 2 |
| Workaround |
not known / see Local fix |
| Timestamps |
Date - problem reported :
Date - problem closed :
Date - last modified :
| 10.07.2009
24.06.2010
27.07.2010 |
| Problem solved at the following versions (IBM BugInfos) |
9.7.FP2
|
| Problem solved according to the fixlist(s) of the following version(s) |
| 9.7.0.2
|
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