These statistics describe how the database server is using memory.
| Statistic | Scope | Description |
|---|---|---|
| Cache: Multi-Page Allocations | Server | Shows the number of multi-page allocations. |
| Cache: Panics | Server | Shows the number of times the cache manager has failed to find a page to allocate. |
| Cache: Scavenge Visited | Server | Shows the number of pages visited while scavenging for a page to allocate. |
| Cache: Scavenges | Server | Shows the number of times the cache manager has scavenged for a page to allocate. |
| Cache Pages: Allocated Structures | Server | Shows the number of cache pages that have been allocated for database server data structures. |
| Cache Pages: File | Server | Shows the number of cache pages used to hold data from database files. |
| Cache Pages: File Dirty | Server | Shows the number of cache pages that are dirty (needing a write). |
| Cache Pages: Free | Server | Shows the number of cache pages not being used. |
| Cache Pages: Pinned | Server | Shows the number of pages currently unavailable for reuse. |
| Cache Replacements: Total Pages/sec | Server | Shows the rate at which database pages are being purged from the cache to make room for another page that is needed. |
| Heaps: Carver | Connection and server | Shows the number of heaps used for short-term purposes such as query optimization.. |
| Heaps: Query Processing | Connection and server | Shows the number of heaps used for query processing (hash and sort operations). |
| Heaps: Relocatable | Connection and server | Shows the number of relocatable heaps. |
| Heaps: Relocatable Locked | Connection and server | Shows the number of relocatable heaps currently locked in the cache. |
| Map physical memory/sec | Server | Shows the rate at which database page address space windows are being mapped to physical memory in the cache using Address Windowing Extensions. |
| Mem Pages: Carver | Connection and server | Shows the number of heap pages used for short-term purposes such as query optimization. |
| Mem Pages: Pinned Cursor | Server | Shows the number of pages used to keep cursor heaps pinned in memory. |
| Mem Pages: Query Processing | Connection and server | Shows the number of cache pages used for query processing (hash and sort operations). |
| Query Memory: Current Active | Connection and server | Shows the current number of requests actively using query memory. |
| Query Memory: Estimated Active | Server | Shows the database server's estimate of the steady state average of the number of requests actively using query memory. |
| Query Memory: Extra Available | Server | Shows the amount of memory available to grant beyond the base memory-intensive grant. |
| Query Memory: Number of Grant Fails | Connection and server | Shows the total number of times any request waited for query memory and failed to get it. |
| Query Memory: Number of Grant Requests | Connection and server | Shows the total number of times any request attempted to acquire query memory. |
| Query Memory: Number of Grant Waits | Connection and server | Shows the total number of times any request waited for memory. |
| Query Memory: Pages Granted | Connection and server | Shows the number of pages currently granted to requests. |
| Query Memory: Requests Waiting | Connection and server | Shows the current number of requests waiting for query memory. |
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