For DB2, the largest consumer of systemmainmemory is its buffer pool, which is basically a single, large Shared memory region.
对于DB2,系统主存的最大消耗者是它的缓冲池,这个缓冲池基本上是一个单独的、较大的共享内存区域。
2
Since a DB2 buffer pool is a part of the mainmemory of the system, the DB2 database manager allocates it for caching tables and index data when it reads or writes to and from media disks.