7.7.1.7.20 pmemcachelimit Attribute

Purpose

The pmemcachelimit attribute defines a soft limit for space usage in the persistent memory (PMEM) cache. If the cache is not full, the limit can be exceeded.

Note:

This attribute applies to Oracle Exadata System Software releases before 23.1.0. Otherwise, see xrmemcachelimit Attribute.

Syntax

 ALTER IORMPLAN 
   dbplan=(( name=db_name, ... pmemcachelimit=number ... ) ... )

Usage Notes

• You specify the value for pmemcachelimit in bytes. You can also use the suffixes M (megabytes), G (gigabytes), or T (terabytes) to specify larger values. For example, 300M, 150G, or 1T.

• The value for pmemcachelimit must be at least 4 MB.

• The pmemcachelimit and pmemcachesize attributes cannot be specified in the same directive.

• The value for pmemcachelimit cannot be smaller than pmemcachemin, if it is specified.