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db2pd command to report exact operation that causes HADR replay only window
Currently only "Replay only window is active" is reported in db2diag.log, but not the detailed information about the operation that causes the replay only window, such as exact DDL, reorg, runstats, and etc. statements.
aï¼‰HADR replay master contends with replay worker on queue, and lots of latch contention were observed.bï¼‰HADR replay has IO performance issue. Lots of random IOs were observed, and there should be some sort of prefetch IO to improve performance.
The system clock may be changed forward, then be changed back. Some IUD operations fail in a DPF database if the time difference between the forward point and backward point is greater than the value specified by dbm parameter MAX_TIME_DIFF. Hope ...
Hi, HADR standby databases do not archive log files. the recommendation is a shared filesystem or similar. Shared filesystems adds complexity in failure situations. This request is to enable the functionalty of logarchiving on the standby database.
System: DB2 LUW pureScaleActor: User needing HADR read of standby on pureScale environmentNow db2 V10.5 and above had provided HADR component for pureScale but missed Read of standby feature. Description: some customer had used HADR ROS feature on...
When an index rebuild is required at the restart time, it can depend on the connection of the first user accessing the table. If the connection is killed, the index rebuild need to redone. It would be smarter to let the rebuild complete even if th...
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