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Measures reported by MySqlCluCacheTest
This test reports statistics pertaining to the key buffer cache available on each node of the target MySQL Cluster database server.
Outputs of the test : One set of results for each node in the target MySQL cluster database server being monitored
The measures made by this test are as follows:
| Measurement |
Description |
Measurement Unit |
Interpretation |
| Key_reads |
Indicates the number of physical reads of a key block from the disk associated with this node during the last measurement period. |
Number |
A high value of this measure indicates that your key_buffer_size variable is probably too small. |
| Key_read_requests |
Indicates the number of key read requests received by the cache on this node during the last measurement period. |
Number |
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| Not_flushed_key_blocks |
Indicates the key blocks in the key cache that have been modified, but have not been flushed to the disk from this node during the last measurement period. |
Number |
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