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db2start of a running instance should reload/restart configuration without interruption of current sessions
Sometimes dbm configuration changes are not active immediately and require a full instance restart. E.g.adding an SSL port and configupdates of the db catalogchanges in SYS*_GROUP...It would be great, if a db2start command is issued while the inst...
Improve performance of SET INTEGRITY command through use of (intra partition) parallelism
SET INTEGRITY does currently not make use of intrapartition parallelism.SET INTEGRITY (with "checked" option) for large tables and/or tables with many foreign key and/or check constraints consumes a large amount of time while the table is not acce...
Save and (restore) access plan for dynamic and Statis SQL
Sometime after maintenance, or index/stats change, certain SQL can pick a bad access path. It would be nice to be able to save access path and force db2 to pick old access path. We just had very painful process after V11 migration. When ac...
Add table function to "pretty print" explained statement
Db2 allows to install the EXPLAIN TABLES using a procedure (https://www.ibm.com/support/knowledgecenter/SSEPGG_11.1.0/com.ibm.db2.luw.admin.explain.doc/doc/t0059594.html)
There are different ways to generate an access plan, i.e., to explain ...
Poor performance on DB2 V11.1 due to changes in build process
Some customers are noticing performance degradations moving from v105 ESE to v111 ESE on the same hardware.These degradations are most pronounced in OLTP workloads, with an emphasis on INSERT and UPDATE operations.Db2 Support has confirmed that th...
32k System Temporary Tablespace Should be Created by Default
If Administrativ Views, e.g SYSIBMADM.DB_HISTORY used with ORDER BY, a 32k system temporary tablespace must exist, otherwise the following error occurs:
db2palg@axvxx1190:/db2/PROD/db2palg> db2 "select * from SYSIBMADM.DB_HISTORY order by Star...
ADM7007E - Logging The Process holding the database port when this error is logged in the diag could help us better for RCA
Part of critical Protection mode Restart, TSAMP has issued ipclean where the instance restart was not clean due to the below message in the logs.MESSAGE : ADM7007E The SVCENAME DBM configuration parameter, "50000", is configured with a p...
We cannot view the subordinate logs from parallel container while analyzing the logs in AdminConsole Web-Log-Viewer. (See Case TS000078576) There is no possibility to open this subordinated Log, as the Filename is not clicable.We need it fixed, as...
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