The MPoolStats type exposes the following members.

Properties

  NameDescription
BlockedOperations
Thread waited on buffer I/O.
BucketsCheckedDuringAlloc
Buckets checked during allocation.
CacheRegions
Maximum number of regions.
CacheSettings
Total cache size and number of regions
CleanPages
Clean pages.
CleanPagesEvicted
Clean pages forced from the cache.
DirtyPages
Dirty pages.
DirtyPagesEvicted
Dirty pages forced from the cache.
Files
Stats for files open in the memory pool
FrozenBuffers
Buffers frozen.
FrozenBuffersFreed
Frozen buffers freed.
HashBucketMutexes
Number of hash bucket mutexes.
HashBuckets
Number of hash buckets.
HashChainSearches
Total hash chain searches.
HashEntriesSearched
Total hash entries searched.
HashLockNoWait
Hash lock granted with nowait.
HashLockWait
Hash lock granted after wait.
LongestHashChainSearch
Longest hash chain searched.
MappedPages
Pages from mapped files.
MaxBucketsCheckedDuringAlloc
Max checked during allocation.
MaxBufferWrites
Maximum buffers to write.
MaxBufferWritesSleep
Sleep after writing max buffers.
MaxHashLockNoWait
Max hash lock granted with nowait.
MaxHashLockWait
Max hash lock granted after wait.
MaxMMapSize
Maximum file size for mmap.
MaxOpenFileDescriptors
Maximum number of open fd's.
MaxPagesCheckedDuringAlloc
Max checked during allocation.
PageAllocations
Number of page allocations.
Pages
Total number of pages.
PagesCheckedDuringAlloc
Pages checked during allocation.
PagesCreatedInCache
Pages created in the cache.
PagesInCache
Pages found in the cache.
PageSize
Assumed page size.
PagesNotInCache
Pages not found in the cache.
PagesRead
Pages read in.
PagesTrickled
Pages written by memp_trickle.
PagesWritten
Pages written out.
RegionLockNoWait
Region lock granted with nowait.
RegionLockWait
Region lock granted after wait.
RegionMax
Individual cache max.
RegionSize
Region size.
SyncInterrupted
Number of times sync interrupted.
ThawedBuffers
Buffers thawed.

See Also