Buffer Cache Test
This test monitors the usage of the system's buffer cache. This test is disabled by default.
Target of the test : A Solaris
Agent deploying the test : An internal agent
Outputs of the test : One set of results for every server being monitored
|
Measurement | Description | Measurement Unit | Interpretation |
---|---|---|---|
Cache lookups |
Indicates the number of lookups to the buffer cache during the last measurement period. |
Number |
|
Cache hits: |
Indicates the number of hits from the buffer cache during the last measurement period. |
Number |
|
Buffer cache hit ratio: |
Indicates the ratio of cache hits to total lookups during the last measurement period. |
Percent |
A value close to 90% is good. |
Buffers locked: |
Indicates the number of buffers locked during the last measurement period. |
Number |
|
New buffer requests: |
Indicates the number of new buffer requests issued during the last measurement period. |
Number |
|
Waits for buffer allocations: |
Indicates the number of buffer allocation requests during the last measurement period that had to wait |
Number |
This value should be close to 0 for optimal operation. |