DB2 - Problembeschreibung
Problem IC65447 | Status: Geschlossen |
DB2 fails to allocate memory when DB2_LARGE_PAGE_MEM=* config parameter is set on Windows server. | |
Produkt: | |
DB2 FOR LUW / DB2FORLUW / 970 - DB2 | |
Problembeschreibung: | |
DB2_LARGE_PAGE_MEM=* is set in Windows 2003 ENT SVR 64bit to use large page memory, hit the OSERR(87) "The parameter is incorrect." and DIA8300C A memory heap error has occurred. CALLED : OS, -, VirtualAlloc OSERR : 87 "The parameter is incorrect." MESSAGE : Private memory and/or virtual address space exhausted DATA #1 : Requested size, PD_TYPE_MEM_REQUESTED_SIZE, 8 bytes 65536 DATA #2 : Current set size, PD_TYPE_SET_SIZE, 8 bytes 128974848 FUNCTION: DB2 UDB, buffer pool services, sqlbinit, probe:500 MESSAGE : ZRC=0x8B0F0010=-1961951216=SQLO_NOMEM_BPH "No memory available in 'Buffer Pool Heap'" DIA8300C A memory heap error has occurred. DATA #1 : String, 35 bytes BufferPool memory allocation failed Windows API VirtualAlloc is requesed to allocate memory of size 64KB with flag MEM_LARGE_PAGES. This is a non-standard allocation and the API fails with an error "The parameter is incorrect." | |
Problem-Zusammenfassung: | |
**************************************************************** * USERS AFFECTED: * * Windows * **************************************************************** * PROBLEM DESCRIPTION: * * DB2_LARGE_PAGE_MEM=* is set in Windows 2003 ENT SVR 64bit * * touse large page memory, hit the OSERR(87) "The parameter * * isincorrect." and DIA8300C A memory heap error has * * occurred.CALLED : OS, -, VirtualAllocOSERR : 87 "The * * parameter is incorrect."MESSAGE : Private memory and/or * * virtual address spaceexhaustedDATA #1 : Requested size, * * PD_TYPE_MEM_REQUESTED_SIZE, 8bytes65536DATA #2 : Current set * * size, PD_TYPE_SET_SIZE, 8 bytes128974848FUNCTION: DB2 UDB, * * buffer pool services, sqlbinit, probe:500MESSAGE : * * ZRC=0x8B0F0010=-1961951216=SQLO_NOMEM_BPH"No memory * * available in 'Buffer Pool Heap'"DIA8300C A memory heap error * * has occurred.DATA #1 : String, 35 bytesBufferPool memory * * allocation failed * **************************************************************** * RECOMMENDATION: * * Upgrade to product version 9.7 Fix Pack 2. * **************************************************************** | |
Local-Fix: | |
remove DB2_LARGE_PAGE_MEM=* registry for work around | |
verfügbare FixPacks: | |
DB2 Version 9.7 Fix Pack 2 for Linux, UNIX, and Windows | |
Lösung | |
Problem was fixed in version 9.7 Fix Pack 2. We are using the flag MEM_LARGE_PAGES to get 64kb of memory, which is the root cause for the failure. We didn't want to use large page flag, which could cause problem to use the thread model. | |
Workaround | |
keiner bekannt / siehe Local-Fix | |
Weitere Daten | |
Datum - Problem gemeldet : Datum - Problem geschlossen : Datum - der letzten Änderung: | 06.01.2010 14.06.2010 14.06.2010 |
Problem behoben ab folgender Versionen (IBM BugInfos) | |
9.7.FP2 | |
Problem behoben lt. FixList in der Version | |
9.7.0.2 |