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Measures reported by MySQLClusMembTest
This test monitors the current status of each node in the target MySQL cluster and also reports whether/not the node is a primary node. Using this test, administrators can proactively figure out error-prone nodes, nodes that are unreachable and nodes that are removed/missing and take corrective actions for those nodes to be available.
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 |
| memberState |
Indicates the current status of this node. |
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The values that this measure can report and their corresponding numeric values are listed in the table below:
| Measure Value |
Numeric Value |
| Unreachable |
0 |
| Error |
1 |
| Offline |
2 |
| Recovering |
3 |
| Online |
4 |
| Missing or Removed |
5 |
Note:
By default, this measure reports the above-mentioned Measure Values to indicate whether/not the target cluster is running. In the graph of this measure however, the Measure values are represented using the numeric equivalents only. |
| isPrimary |
Indicates whether this node is a primary node . |
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The values that this measure can report and their corresponding numeric values are listed in the table below:
| Measure Value |
Numeric Value |
| No |
0 |
| Yes |
1 |
Note:
By default, this measure reports the above-mentioned Measure Values to indicate whether/not the node is a primary node. In the graph of this measure however, the Measure values are represented using the numeric equivalents only.
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