June 2018
Intermediate to advanced
478 pages
10h 52m
English
Content preview from IBM Db2 11.1 Certification Guide
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Self-tuning CF memory in pureScale
In Db2 V11.1, CF self-tuning memory is enabled by default. CF self-tuning memory is set at the instance level by setting the registry variable Db2_DATABASE_CF_MEMORY to AUTO:
db2set DB2_DATABASE_CF_MEMORY = AUTO
Setting DB2_DATABASE_CF_MEMORY to AUTO turns on CF self-tuning memory for all active databases that have CF the memory variables CF_GBP_SZ (group buffer pool), CF_LOCK_SZ (global lock list), and CF_SCA_SZ (shared communication area) set to AUTOMATIC.
Let's take a closer look at how to set these, and what Db2 STMM will do.
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