Designing processes - EMC Community Network

Performance and Scalability
If registering a particular type for indexing, the system automatically selects its subtypes for
indexing. When registering a type for indexing, the system checks for any of its subtypes that are
registered. If a subtype is registered, the system unregisters it before registering the type.
The system displays the Enable Indexing checkbox based on the following criteria:
• If the type is dm_sysobject or its subtypes and you are connected as a Superuser to a 5.3 SP5
or later repository, the system displays the checkbox. If neither of these conditions is met,
the system does not display the checkbox.
• If a type and none of its supertypes are registered, the system displays the checkbox cleared and
enabled. You can select the checkbox to register the type for full‐text indexing.
• If a type is registered and none of its supertypes are registered, the system displays the Enable
Indexing checkbox selected and enabled.
• If a type’s supertype is registered for indexing, the system displays the Enable Indexing
checkbox selected but disabled. You cannot clear the checkbox.
Note: The system does not display the Enable Indexing checkbox on the New Types - Info page
when you create a new type. You must first create the type and then save it.
3. Click OK to save your changes.
Purging existing full-text events
To purge existing events:
1. Export the dmi_queue_item_s table using database utilities like exp in Oracle. For example,
the commands for Oracle are shown below.
a. Export the full table in this step to have a backup.
exp username/password file=dmi_queue_item_s_full.dat log=dmi_queue_item_s_full.log
tables=dmi_queue_item_s buffer=100000
b. Export the table again by selectively retrieving rows that you want other than
dm_fulltext_index_user.
(Windows) — Notice that there are three double quotes in the query clause:
exp username/password file=dmi_queue_item_s.dat log=dmi_queue_item_s.log
tables=dmi_queue_item_s buffer=100000 query="""where name not in
’dm_fulltext_index_user’"""
(UNIX) — Notice the back slash (\) instead of double quotes ("):
exp username/password file=dmi_queue_item_s.dat log=dmi_queue_item_s.log
tables=dmi_queue_item_s buffer=100000 query=\"where name not in
\’dm_fulltext_index_user\’ \"
2. Truncate the table dmi_queue_item_s as it will not create any redo entries and is the fastest way to
delete millions of rows that are related to full text. If you do not have too many rows, you can do a
simple delete and you do not have to reimport the data.
truncate table dmi_queue_item_s
3. Reimport the exported data that does not contain full-text events.
104 EMC Documentum xCelerated Composition Platform Version 1.6 Best Practices Guide