OMS_HEAP_STATISTICS
The <DATBASE_SYSTEM_ADMINISTRATOR>.OMS_HEAP_STATISTICS system table describes the statuses of allocators used in SAP liveCache technology.
|
DESCRIPTION |
CHAR(40) |
Name of the allocator |
|
TOTAL_HEAP_USAGE |
FIXED(20) |
Currently used memory (bytes) |
|
MAX_TOTAL_HEAP_USAGE |
FIXED(20) |
Maximum used memory (bytes) |
|
RESERVED |
FIXED(20) |
Memory managed by the allocator (bytes) |
|
ALLOC_CNT |
FIXED(20) |
Number of memory allocations |
|
FREE_CNT |
FIXED(20) |
Number of memory releases |
|
SYSTEM_ALLOC_CNT |
FIXED(20) |
Number of memory reservations in the base allocator |
|
SYSTEM_FREE_CNT |
FIXED(20) |
Number of memory releases in the base allocator |
|
TOTAL_SPINLOCKS |
FIXED(20) |
Number of attempts to get the spin lock |
|
COLLISIONS |
FIXED(20) |
Number of failed attempts to get the spin lock |
|
TOTAL_SPINLOOPS |
FIXED(10) |
Number of attempts to get the spin lock without prior release of the CPU |
|
TOTAL_YIELDLOOPS |
FIXED(10) |
Number of attempts to get the spin lock after prior release of the CPU |
|
MAX_SPINLOOPS |
FIXED(10) |
Maximum number of attempts to get the spin lock without prior release of the CPU |
|
MAX_YIELDLOOPS |
FIXED(10) |
Maximum number of attempts to get the spin lock after prior release of the CPU |
|
ERROR_CNT |
FIXED(10) |
Number of errors detected and automatically corrected by the allocator |
|
PARTITIONID |
FIXED(5) |
Identification of the partition |
Database Administration in CCMS, Heap Usage, Memory