7.7.1.7.21 pmemcachemin Attribute
Purpose
The pmemcachemin attribute specifies a minimum
guaranteed space allocation in the persistent memory (PMEM) cache.
Note:
This attribute applies to Oracle Exadata System Software releases before 23.1.0. Otherwise, see xrmemcachemin Attribute.
Syntax
ALTER IORMPLAN
dbplan=(( name=db_name, ... pmemcachemin=number ... ) ... )
Usage Notes
-
You specify the value for
pmemcacheminin bytes. You can also use the suffixesM(megabytes),G(gigabytes), orT(terabytes) to specify larger values. For example,300M,150G, or1T. -
The value for
pmemcacheminmust be at least 4 MB. -
In any plan, the sum of all
pmemcacheminvalues cannot exceed the size of the PMEM cache. -
If
pmemcachelimitis specified, then the value forpmemcachemincannot exceedpmemcachelimit. -
If
pmemcachesizeis specified, then the value forpmemcachemincannot exceedpmemcachesize.
Parent topic: ALTER IORMPLAN