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# DRECOMPACT

Allows you to reduce the space left when documents are deleted from the data index. The `DRECOMPACT` index action fills the space created through the document deletion with new documents. This process is similar to the de-fragmentation process.

After the compaction is complete, the index action recalculates the `SortField` information.

Note: HPE recommends that you back up IDOL Server before compacting it.

By default, the `DRECOMPACT` index action automatically copies the data index to the `internalbackup` directory in the IDOL Server data directory. To change this directory, set the PreCompactionBackup configuration parameter, or use the Backup index action parameter.

## Example

    http://12.3.4.56:20001/DRECOMPACT

This index action uses port `20001` to compact IDOL Server, which is located on a machine with the IP address `12.3.4.56`.

## Parameters

Parameter | Description | Required
--- | --- | ---
Backup | Whether to perform a backup before compaction. |
IgnoreMaxPendingItems | Whether to ignore the IndexQueueMaxPendingItems limit for this index action. |
IndexUID | An identification code for any document tracking events. |
NodeTableCompactWindowKB | The maximum amount of extra disk space that the server can use to improve compaction. |
Path | The path to the directory to save the backup to. |
Priority | The priority for the index job. |
Type | Limits the compaction to only the `NodeTable` (document storage) stage. |

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