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Spotlight on SAP ASE 2.12 - Release Notes

Direct I/O

The number of direct reads and writes that are occurring across all databases and partitions within the instance.

  • Direct writes—Database requests that bypass buffer pools to write LONG VARCHAR or large object (LOB) data directly to the database or to perform database restores and loads.

  • Direct reads—Database requests that bypass buffer pools to read LONG VARCHAR or large object (LOB) data directly from the database or to perform a database backup.

Note: In a multiple-partition database, information is presented for each active partition on the system. An All Nodes row keeps a running total for all partitions. In a single-partition database, only the All Nodes information is presented.

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