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https://issues.apache.org/jira/browse/CASSANDRA-20604?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17947735#comment-17947735
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guo Maxwell commented on CASSANDRA-20604:
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why do we need this ?
I took a quick look at the code, and just what to know what does the the metric
used for ? or just record the number of gossip sync or the number of fd for
different nodes ?
> add basic metrics to gossip and failure detector
> ------------------------------------------------
>
> Key: CASSANDRA-20604
> URL: https://issues.apache.org/jira/browse/CASSANDRA-20604
> Project: Apache Cassandra
> Issue Type: Improvement
> Components: Observability/Metrics
> Reporter: Ling Mao
> Assignee: Ling Mao
> Priority: Normal
> Fix For: 5.0.x
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> 1. add basic metrics to gossip and failure detector
> 2. Although we can retrieve the heartbeat
> ({_}*cassandra_gossip_heartbeat*{_}) from {_}*nodetool gossipinfo*{_}, we
> also need to continuously record this value as a metric. If the heartbeat
> does not increase steadily — or even remains constant — it can indicate that
> the gossip process is being blocked at that time.
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