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Enhancement regarding the .ftok file and the DB2 instance.
I will suggest the following:1. Let Db2 log a simple message 'The .ftok file is missing, last seen ' when the instance started.2. Also, suggest to execute ~/sqllib/bin/db2ftok or go ahead and execute it
Begin / End COMMIT instrumentation for DRDA, CICS/IMS
Complex CICS/IMS or DRDA transactions (involving multiple programs with an implicit Commit at the end) are incorrectly presented on the Omegamon Accounting Report/Trace. By design the costs of the tough SYNC (COMMIT) operation are added to the las...
Lack of information about Queries from Federated DBs - particulary from DB2 z/OS
From DSM we should be able to see the transactions from federated databases. In the case when we are having some federated transaction contention we are not able to see on the source database on DSM getting more difficulty to diagnose a performanc...
Lock event monitor does not log hex values of prepared statements
When using the lock event monitor to track prepared statements involved in lock timeouts/deadlocks, it was observed that parameter marker values for hex entries are not logged even though the option for history and values is enabled. This works fi...
db will be blocked and hang after mon_heap is run out
agents will be blocked and will hang after mon_heap is run out when database turns on event monitor. Now it is works as design, yet customer hope we can change the design and decouple between event monitor and the agents executing some SQLs. So ag...
Purescale - Event Monitor for Locking - Include member information
In Purescale environment, with currently commited enabled and CS isolation query, we can find situations where a "select" receives a locktimeout depending on which member the connection comes. But, event monitor for locking doesn't include this in...
reduce I/O activity to /etc/services upon each connect
Using filemon, we see 191 accesses to /etc/services for each Connect statement. It seems this file should only be accessed once or twice. This has been verified by IBM personnel with ticket TS001677150.
Currently we have db2diag files as part of dbm parameter (DIAGPATH) and all the files (db2diag.log, events,nfy,bin,stack,stmm,dump) going into the same directory. The challenge is in case of issues, we see huge dump files produced (sometimes 40gb ...
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