Reporting - Historical Data Server Data: Historical Data Server is losing the oldest data

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Historical Data Server is losing the oldest data

Problem Summary Historical Data Server (HDS) data that is within the data retention time set for the HDS is being purged from the database.
Error Message None
Possible Cause This could occur because the database has reached 80% capacity and is therefore performing purge adjustment each night to reduce the size to 80%. Unlike scheduled purges, in which data is purged nightly to remove all records older than the data retention time you specified, purge adjustment removes the last record from each table in the database until 80% capacity is reached. Purge adjustment continues to reduce the size of the database to 80% until the database size is increased.
Recommended Action To correct this, increase the size of the database.
Release Release 7.5(1) and 8.0
Associated CDETS # None.

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