These columns identify the allocation statistics reported by the Allocator.
| Column Name | Mode | Description | Data Type |
|---|---|---|---|
| AllocatorExtentAllocReqs | count | Number of cylinder allocation requests received by the allocator. | FLOAT |
| AllocatorExtentFreeReqs | count | Number of cylinder free requests received by the allocator. | FLOAT |
| AllocatorMapIOsStarted | count | Number of map I/Os initiated by the allocator. | FLOAT |
| AllocatorMapIOsDone | count | Number of map I/Os completed by the allocator. | FLOAT |