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Add ring neighbour information for each token range present #59

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serban21 opened this issue Feb 11, 2020 · 1 comment · May be fixed by #60
Open

Add ring neighbour information for each token range present #59

serban21 opened this issue Feb 11, 2020 · 1 comment · May be fixed by #60

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@serban21
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In some instances it can be useful to have a quick way of getting the list of all neighbours. Even if this is not available as a Cassandra metric, it is possible to get the information using Storage Service describeRingJMX (https://github.com/apache/cassandra/blob/trunk/src/java/org/apache/cassandra/service/StorageService.java#L1830), which is probably used only for nodetool describering

Also it can be useful as a way to determine ring information before scaling.
@serban21 serban21 linked a pull request Feb 11, 2020 that will close this issue
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@serban21
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I also added an option whether to resolve IPs to hostnames and add them as a separate label. I'd rather keep it as an option, since DNS resolve might take some time.

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Add metric with neighbour info for each owned token range serban21/cassandra-exporter
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@serban21