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Status Functionality already exists
Workspace Db2 for z/OS
Created by Guest
Created on May 23, 2019

Partial PBG REORG for added Partitions due to previous PART LEVEL REORGs

When I run a PART LEVEL REORG 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. Which is fine, btw....

If i do this for multiple partitions, several new parts would be created - all of them with just a little data in it.

To get rid of those partitions with very little data (by "compressing" those spreaded data) I could only run another REORG for the whole TS (all parts) which is expensive, long-running and has to touch all the rows I reorged recently.

Wouldn't it be nice to provide the possibility of just reorging the (almost empty) new "overflow" partitions to compress their data into - let's say - just one partition?

Needed by Date May 27, 2019
  • Admin
    Janet Figone
    Dec 18, 2020

    The ability to reorg a subset of PBG partitions and consolidate data between them already exists. On the other hand, if the intent of this requirement is that REORG of a subset of parts should allow for the deletion of excess parts, then there are no plans to provide that at this time.