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DB2 - Problem description

Problem IT06477 Status: Closed

DB2PD -ALLDBS -INST CAN LOOP CONTINUOUSLY ON SYSTEMS WITH VERY LARGE
BUFFERPOOL CONFIGURATIONS

product:
DB2 FOR LUW / DB2FORLUW / 970 - DB2
Problem description:
"db2pd -alldbs -inst" can loop displaying information like this: 
 
Instance db2inst1 uses 64 bits and DB2 code release SQL10053 
with level identifier 0604010E 
Informational tokens are DB2 v10.5.0.3, s140203, IP23551, Fix 
Pack 3. 
 
Operating System Information: 
 
OSName:   Linux 
NodeName: test.ibm.com 
Version:  2 
Release:  6 
Machine:  x86_64 
Distros:  Red Hat Enterprise Linux Server 6.2 
 
 
CPU Information: 
TotalCPU    OnlineCPU   ConfigCPU   Speed(MHz)  HMTDegree 
Cores/Socket 
40          20          40          2261        1           10 
 
 
Physical Memory and Swap (Megabytes): 
TotalMem    FreeMem     AvailMem    TotalSwap   FreeSwap 
1034132     947         n/a         409600      323023 
 
Virtual Memory (Megabytes): 
Total       Reserved    Available   Free 
1443732     n/a         n/a         323969 
 
Message Queue Information: 
MsgSeg      MsgMax      MsgMap      MsgMni      MsgTql 
MsgMnb      MsgSsz 
n/a         65536       65536       1034240     65536 
65536       16 
 
Shared Memory Information: 
ShmMax               ShmMin               ShmIds      ShmSeg 
 
1084365606912        1                    258560      258560 
 
 
Semaphore Information: 
SemMap      SemMni      SemMns      SemMnu      SemMsl 
SemOpm      SemUme      SemUsz      SemVmx      SemAem 
256000      258560      256000      256000      1175000     32 
n/a         20          32767       32767 
 
CPU Load Information: 
Short     Medium    Long 
61.140000 52.210000 30.560000 
 
CPU Usage Information (percent): 
Total     Usr       Sys       Wait      Idle 
100.00000 n/a        n/a        n/a        0.000000 
 
.... 
 
db2pd can also be seeing growing in virtual memory. 
 
This problem will only occur on environments with very large 
bufferpool configurations. 
 
Note:  db2pd -alldbs -inst is also issued by db2fodc -hang 
implicitly.
Problem Summary:
**************************************************************** 
* USERS AFFECTED:                                              * 
* ALL                                                          * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* See Error Description                                        * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Upgrade to DB2 Version 9.7, Fix pack 11                      * 
****************************************************************
Local Fix:
Manually kill db2pd after the data has been collected.
Solution
First fixed in DB2 Version 9.7, Fix pack 11
Workaround
see Local Fix
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
13.01.2015
08.10.2015
08.10.2015
Problem solved at the following versions (IBM BugInfos)
9.7.FP11
Problem solved according to the fixlist(s) of the following version(s)
9.7.0.11 FixList