by Craig S. Mullins | Aug 29, 2023 | bufferpool, configuration, DSNZPARM, Memory, performance, system performance
Configuration parameters play a crucial role in optimizing the performance of an IBM Db2 database environment. By understanding the impact of these parameters and tuning them appropriately, database administrators can fine-tune the system to achieve optimal...
by Craig S. Mullins | Jul 17, 2023 | bufferpool, buffers, EDM, Memory, RID pool, sort
The memory configuration of an IBM Db2 environment plays a critical role in determining the performance of applications accessing data, as well as the overall efficiency of the subsystem and DBMS. By properly allocating and managing memory resources, DBAs and systems...
by Craig S. Mullins | Jul 17, 2023 | bufferpool, buffers, EDM, Memory, RID pool, sort
The memory configuration of an IBM Db2 environment plays a critical role in determining the performance of applications accessing data, as well as the overall efficiency of the subsystem and DBMS. By properly allocating and managing memory resources, DBAs and systems...
by Keith McDonald | Jul 26, 2010 | bufferpool, DB2, DB2 LUW, db2top
Today’s video is a demonstration of buffer pool hit ratio in the Bufferpools screen of db2top. To produce a hit ratio of 100%, we query a single row repeatedly to perform logical reads with no corresponding physical reads. To reduce the hit ratio, we query more...
by Keith McDonald | Jul 26, 2010 | bufferpool, DB2, DB2 LUW, db2top
Today’s video is a demonstration of buffer pool hit ratio in the Bufferpools screen of db2top. To produce a hit ratio of 100%, we query a single row repeatedly to perform logical reads with no corresponding physical reads. To reduce the hit ratio, we query more...
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