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# DistributeByDate

Set `DistributeByDate` to `True` if you want HPE DIH to index data based on document date. Each document in a DREADD and DREADDDATA action is indexed by its `#DREDATE` field, or another DateType field configured in the Field Processing section. Each replace in a DREREPLACE action is indexed based on its `#DREDATE` line if it exists, or else sent to all child servers. Other actions are sent to all child servers. If enabled, the HPE DIH is restricted so that you cannot alter the number of child servers.

Use the `[DateRangeN]` subsection of the `[DistributionIDOLServers]` section to configure the date ranges for child servers.

For both HPE DIH standalone and unified configuration, DateFormatCSVs must be configured in the `[Server]` section for date-based indexing to work.

When `DistributeByDate` is set to `True`, DIH always distributes documents according to the date. If a child server goes down, it queues the documents for that child server, and indexes them when the server becomes available. Unlike simple non-mirror mode, it does not redistribute the documents to available servers.

Note: You can use this distribution mode only when MirrorMode is set to `False`. HPE DIH will not start if you attempt to configure this distribution mode when MirrorMode is set to `True`.

Type: | Boolean
Default: | False
Required: | No
Configuration Section: | Server
Example: | `DistributeByDate=True`
See Also: | DateRangeN Configuration DateFormatCSVs

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