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When I run a PART LEVEL REORG (PART 1 in this case) of a PBG tablespace and the current data doesn't fit into its original partition DB2 adds a new partition at the end and uses it for the "overflow" data, although all the already existing partiti...
In a 24 hour online Db2 environment it can be difficult to complete an online REORG because the VSAM switch phase may fail, due to the activity on the tablespace being too high. The idea is to use the system monitors or a log analyzer tool to look...
Allow for Multiple Columns on LOAD INTO TABLE WHEN Criteria
We recently converted from BMC to IBM Db2 utilities. It would be very useful if multiple column names could be specified on the WHEN criteria for the Db2 LOAD utility. This would also make the functionality similar to the WHEN criteria of REORG WI...
Idea For Limited Partition Locking for RI Related Objects
Lock just the partitions of related objects using a cascaded key structure when utilities are used to write to the database. Allows Db2 RI use to coexist with utility operation when it is impractical to lock all partitions of parents and children.
Rearchitect the colgroup processing to be more granular using multiple sorts as opposed to a single sort or more intelligently avoid the colgroup sort altogether (when possible)
Looking at the job output you sent in, we can see that there are 18 colgroups specified.
Based on the current design, we have a single sort for colgroup(s).
There are 184310123 rows unloaded
The no. of the rows passed to the single
Check Index and Rebuild Index Combined in one Process
If a corrupt index is suspected then usual process is to 1. Run a Check Index 2. If an error is reported Run a Rebuild Index to fix the error. However part of the processing done by the Check Index could be utilized by the Rebuild Index. The Check...
Automatically Perform a Display with Claimers when Utilities Cannot Perform a Drain on an Object
We recently migrated from BMC Utilities for Db2 to IBM Utilities. One feature that is sorely missed is that when the BMC Utilities would fail to drain because other processes had a claim on the object, BMC Utilities would perform a display with cl...
REORG needs to be enhanced to separate processing for partitions having dictionaries and no dictionaries
Using LISTDEF there are 4 partitions selected to be reorged. Row length 2284 bytes KEEPDICTIONARY used PART 5 - CARDF 50M, dictionary PART 6 - CARDF 60M, dictionary PART 11 - CARDF 110M, dictionary PART 80 - CARDF 150,000, no dictionary Since PART...
Load Utility: Extension of field selection criterion option by AND conditions
The Db2 for z/OS LOAD utility offers a field selection criterion for the INTO TABLE option via WHEN( ... = ...). Since increasingly complex data structures are used application developers want to specify more complex conditions for selection of to...
Allow TEMPLATE switching for more data sets in REORG and LOAD
Allow TEMPLATE switching in the REORG TABLESPACE, REORG INDEX and LOAD utilities for the necessary work files. For example, small objects may only require data sets with DSNTYPE BASIC and large objects may require data sets with DSNTYPE EXTREQ or ...
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