Cluster Details Layer
Using the tests associated with the Cluster Details layer (see Figure 1), you can monitor the following for the target Redis OSS Cluster:
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Is the target node the master or slave in a replication configuration?
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If the target is a slave, then is it able to connect to the master? Has the link to the master been down too long?
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Is the slave syncing with the master very slowly?
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Is the replication backlog rightly sized?
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Is failover happened on the cluster? If so, what is the change in role status?
Figure 1 : The list of tests associated with the Cluster Details layer