InnoDB Buffer Pool
Displays information on the InnoDB buffer pool usage on the monitored server.
InnoDB Buffer Pool Performance Page Regions
| Graph | Description |
|---|---|
| Buffer Usage | Graphs the amount of megabytes in the InnoDB buffer pool which contain data and the number of megabytes held in dirty pages. |
| Row Requests | Graphs the number of logical read requests, logical read requests read from disk, and writes done to the buffer pool. |
| Page Activity | Graphs the number of buffer pool pages read, written and created. |
| Waits for Free Pages | Graphs the number of times writes to the buffer pool waited for clean pages to become available. |
| Pages Flushed | Graphs the number of buffer pool page-flush requests. |
| Pages Latched | Graphs the number of buffer pool pages latched. |
| Young Page Activity | Graphs the number of pages made young and not young in the LRU list. |
| Pending Operations | Graphs the number of pending reads, LRU writes, single-page writes and pages to be flushed during checkpointing. |
| Page Read Ahead | Graphs the number of pages reads into the buffer pool by the read ahead thread and the number of pages evicted. |
| Compression Time | Graphs the time, in seconds, spent compressing or uncompressing buffer pool pages. |
| Current Usage | Pie chart which displays how the buffer pool is currently used. |
| InnoDB Buffer Configuration | Lists the buffer-pool-specific system variables and their values. |