September 2015
Intermediate to advanced
336 pages
8h 29m
English
Content preview from Pro SQL Server Wait Statistics
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APPENDIX III
Latch Classes
|
Latch class |
Books Online Description |
Additional Information |
|---|---|---|
|
ALLOC_CREATE_RINGBUF |
Used internally by SQL Server to initialize the synchronization of the creation of an allocation ring buffer. |
Used when creating a ring buffer. A ring buffer briefly holds internal event information in memory and is used for diagnostics. |
|
ALLOC_CREATE_FREESPACE_CACHE |
Used to initialize the synchronization of internal freespace caches for heaps. |
Allocates free space for heaps (tables without a clustered index) |
|
ALLOC_CACHE_MANAGER |
Used to synchronize internal coherency tests. | |
|
ALLOC_FREESPACE_CACHE |
Used to synchronize access to a cache of ... |
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