Distributed Index Handler 26.1
Distributed Index Handler Help

# Administer the Data Index

You can use the following index actions to administer the Content component Data index:

DREBACKUP | Backs up the data index.
DRECOMPACT | Compacts the data index.
DREDUPLICATE | Removes or tags duplicates in the data index.
DREFLUSHANDPAUSE | Prepares Content for a snapshot (hot backup).
DREINITIAL | Resets the data index.
DREMODIFYTERMWEIGHT | Modifies the Content term weight file.
DREQUERYSUMMARYMANAGEMENT | Updates the query summary stop phrase list or white list.
DREREDISTRIBUTE | Redistributes content when you update the child server architecture.
DREREGENERATE | Regenerates one or more data indexes.
DRERESIZEINDEXCACHE | Dynamically resizes the index cache.
DRESPELLCHECKCACHE | Controls the spell check correction cache.
DRESYNC | Flushes the index cache to disk.
DREVALIDATE | Validates specified Content sub-indexes.

NOTE: Index actions are case sensitive. All index actions must be sent to the Distributed Index Handler DIHPort.

You can control the users that can send index actions by configuring authorization roles. See Authorization Roles Configuration Parameters.

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Version 26.1 | Last updated January 2026

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Product: Knowledge Discovery Distributed Index Handler 26.1

Topic Title: Administer the Data Index