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Number of Extra Partitions Increased in v8.2 and later

  • 1.  Number of Extra Partitions Increased in v8.2 and later

    Posted 12-30-2016 02:59 AM

    When you install a new database or database maintenance is performed, extra partitions are created to allow time for you to correct any data maintenance issues, if an issue should arise. With data_engine 8.4, the number of free partitions that are created has been increased from 14 to 30. The permissions that are required by data_engine 8.4 are now restricted to the minimum set.

     

    Can anyone please tell what is the additional space required for creating each extra partition? 

     

    Thanks in advance.



  • 2.  Re: Number of Extra Partitions Increased in v8.2 and later

    Posted 12-30-2016 09:02 AM

    Hi,

     

    These partitions are created in an empty state, with date-ranges that are set to the future -- this is essentially a "buffer" to prevent data loss in the unlikely event that something goes wrong with data_engine maintenance overnight.  The extra partitions allow a larger buffer so that you will have a longer time to find and correct the problem.

     

    Since these partitions are set for "future" data and because they are not actually used unless data_engine maintenance fails, the amount of space required to increase the number of partitions is negligible -- maybe a few hundred kilobytes.