Delayed Synchronization

The delayed synchronization feature allows you to select how HPE IDOL Server synchronizes the index cache with the HPE IDOL Server data. This process is useful in systems where you schedule indexing tasks at times when HPE IDOL Server is also handling queries.

By default, synchronization occurs as soon as a representation of data has been made in the index cache. New data is available to the user (as query results) quickly, so use this setting in systems where current data is the priority. However, synchronization uses resources that HPE IDOL Server could otherwise use for querying.

Delayed synchronization reduces the impact of this effect by collecting multiple data representations in the index cache and then synchronizing them all with HPE IDOL Server data in one go. This process is useful in systems where query speed is more important than having current data.

NOTE:

HPE recommends using delayed synchronization if you index a lot of small files (files that are smaller than 100 MB).

The DelayedSync parameter in the [Server] section of the HPE IDOL Server configuration file allows you to specify whether the indexing process uses delayed synchronization.


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