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Object documentation I/O Buffer Cache Locate the document in its SAP Library structure

When the database instance is started, the I/O buffer cache is created in the main memory in accordance with the size entered in the database parameter CACHE_SIZE.

Its pages are managed using the page pool. A certain number of the pages are made available to the converter, and the other pages are made available to the data cache.

If the converter requires more pages during database operation, the distribution of all I/O buffer cache pages between the converter and data cache is dynamically changed to meet this requirement.

 

 

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