Rebuilding indexes during DEDB change

If the DEDB that is being changed has registered indexes that were created using the 

BMC AMI Fast Path Indexer for IMS

 product, you can request that any (or all) of these indexes be rebuilt simultaneously with the change function.

Specify the IX subcommand and associated keywords for the index to be rebuilt. For details about the IX subcommand, see BMC AMI Fast Path Indexer for IMS documentation.

The example in the following figure requests that all indexes which are registered to the DEDB be rebuilt during the change process.

CHANGE DBD=
dbdname,IAREA=ALL,OAREA=ALL
  IX

The INDEX_THREADS keyword can be specified on the CHANGE command to specify the number of index threads to be used to rebuild indexes that are identified by an IX subcommand. The following figure requests that five threads be used for rebuilding all indexes registered to the source database during the change process.

CHANGE DBD=dbdname,IAREA=ALL,INDEX_THREADS=5
  IX

For more information about the INDEX_THREADS keyword, see BMC AMI Fast Path Indexer for IMS documentation.

Related topic

Changing-DEDB-structure-in-place

 

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