|
Problem IT29255
|
Status: Closed |
LATCH CONTENTION IN ROUTINE addOrUpdateActivityEntry
|
| product: |
DB2 FOR LUW / DB2FORLUW / B10 - DB2 |
| Problem description: |
DB2 may encounter performance issues and after collecting stacks
the stacks may show high latch contention on
SQLO_LT_sqlrw_wl_estimated_runtime_data__erDataUpdateLatch with
a stack similar to:
sqloXlatchConflict
sqlrwAddEstimatedRuntimeData
addOrUpdateActivityEntry
sqlmTermActivityMetrics
sqlrr_remove_curr_activity
sqlrr_activity_exe_stop
sqlricls_simple
Or show high latch contention on
SQLO_LT_sqeWlmActivityPlanHashTable__m_actPlanTableLock with a
stack similar to:
sqloXlatchConflict
addOrUpdateActivityEntry
sqlmTermActivityMetrics
sqlrr_remove_curr_activity
sqlrr_activity_exe_stop
sqlricls_simple |
| Problem Summary: |
****************************************************************
* USERS AFFECTED: *
* ALL *
****************************************************************
* PROBLEM DESCRIPTION: *
* See Error Description *
****************************************************************
* RECOMMENDATION: *
* Upgrade to Db2 11.1 Mod 4 Fixpack 5 or higher *
**************************************************************** |
| Local Fix: |
N/A |
| Solution |
|
| Workaround |
not known / see Local fix |
| Timestamps |
Date - problem reported :
Date - problem closed :
Date - last modified :
| 23.05.2019
16.01.2020
16.01.2020 |
| Problem solved at the following versions (IBM BugInfos) |
|
| Problem solved according to the fixlist(s) of the following version(s) |
