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DB2 - Problem description

Problem IC68720 Status: Closed

DEADLOCK EVENT MONITOR MAY GET STUCK IN "PENDING REMOTE" STATUS
IF GLOBAL EVENT MONITOR RUNS OUT OF DATABASE MONITOR HEAP.

product:
DB2 FOR LUW / DB2FORLUW / 970 - DB2
Problem description:
For DPS system , if  global event monitor run out of "Database 
Monitor Heap" memory during event monitor activation.  It can 
stuck in "Pending remote" status. 
 
Here is the example of the "db2 list applications global show 
detail" 
 
CONNECT Auth Id 
 
Application Name     Appl.      Application Id 
                              Seq#  Number of  Coordinating DB 
Coordinator     Status                         Status Change 
Time         DB Name  DB Path 
                 Handle 
                                Agents     partition number 
pid/thread------------------------------------------------------ 
---------------------------------------------------------------- 
---------- 
-------------------- ---------- 
-------------------------------------------------------------- 
----- ---------- ---------------- --------------- 
------------------------------ -------------------------- 
-------- -------------------- 
DB2INST1 
 
 
db2taskd             53         *N0.DB2.100416004033 
                              00001 1          0 
26       Connect Completed              Not Collected 
  SAMPLE   /export/home/db2inst1/db2inst1/NODE0000/SQL00001/ 
 
DB2INST1 
 
 
db2wlmd              54         *N0.DB2.100416004034 
                              00001 1          0 
27       Connect Completed              Not Collected 
  SAMPLE   /export/home/db2inst1/db2inst1/NODE0000/SQL00001/ 
 
DB2INST1 
 
 
db2evmg_DB2DETAILDEA 58         *N0.DB2.100416004113 
                              00002 3          0 
34       Pending remote request         Not Collected 
  SAMPLE   /export/home/db2inst1/db2inst1/NODE0000/SQL00001/ 
 
DB2INST1 
 
 
db2evmg_DB2DETAILDEA 59         *N0.DB2.100416004116 
                              00004 3          0 
35       Pending remote request         Not Collected 
  SAMPLE   /export/home/db2inst1/db2inst1/NODE0000/SQL00001/ 
 
DB2INST1 
 
 
db2evmg_DB2DETAILDEA 60         *N0.DB2.100416004119 
                              00006 3          0 
36       Pending remote request         Not Collected 
  SAMPLE   /export/home/db2inst1/db2inst1/NODE0000/SQL00001/
Problem Summary:
For DPS system , if  global event monitor run out of "Database 
Monitor Heap" memory during event monitor activation.  It can 
get 
stuck in "Pending remote" status. 
 
Here is the example of the "db2 list applications global show 
detail" 
 
CONNECT Auth Id 
 
Application Name    Appl.      Application Id 
                              Seq#  Number of  Coordinating DB 
Coordinator    Status                        Status Change 
Time        DB Name  DB Path 
                Handle 
                                Agents    partition number 
pid/thread------------------------------------------------------ 
---------------------------------------------------------------- 
---------- 
-------------------- ---------- 
-------------------------------------------------------------- 
----- ---------- ---------------- --------------- 
------------------------------ -------------------------- 
-------- -------------------- 
DB2INST1 
 
 
db2taskd            53        *N0.DB2.100416004033 
                              00001 1          0 
26      Connect Completed              Not Collected 
  SAMPLE  /export/home/db2inst1/db2inst1/NODE0000/SQL00001/ 
 
DB2INST1 
 
 
db2wlmd              54        *N0.DB2.100416004034 
                              00001 1          0 
27      Connect Completed              Not Collected 
  SAMPLE  /export/home/db2inst1/db2inst1/NODE0000/SQL00001/ 
 
DB2INST1 
 
 
db2evmg_DB2DETAILDEA 58        *N0.DB2.100416004113 
                              00002 3          0 
34      Pending remote request        Not Collected 
  SAMPLE  /export/home/db2inst1/db2inst1/NODE0000/SQL00001/ 
 
DB2INST1 
 
 
db2evmg_DB2DETAILDEA 59        *N0.DB2.100416004116 
                              00004 3          0 
35      Pending remote request        Not Collected 
  SAMPLE  /export/home/db2inst1/db2inst1/NODE0000/SQL00001/ 
 
DB2INST1 
 
 
db2evmg_DB2DETAILDEA 60        *N0.DB2.100416004119 
                              00006 3          0 
36      Pending remote request        Not Collected 
  SAMPLE  /export/home/db2inst1/db2inst1/NODE0000/SQL00001/
Local Fix:
INCREASE EVENT MONITOR HEAP.
available fix packs:
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 8 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 9 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 9a for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 10 for Linux, UNIX, and Windows

Solution
With this fix, there will be ab error instead of the event 
monitor getting stuck in "pending remote" status state. 
 
Issue fixed in v9.7 fixpack 3
Workaround
not known / see Local fix
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
18.05.2010
04.10.2010
04.10.2010
Problem solved at the following versions (IBM BugInfos)
9.7.FP3
Problem solved according to the fixlist(s) of the following version(s)
9.7.0.3 FixList
9.7.0.3 FixList