I was wondering if anyone knows the difference between the JMX latency stats
and could enlighten me.

 

We've been looking the column family specific stats and see really lovely <
3ms 99th percentile stats for all our families.

org.apache.cassandra.metrics:type=ColumnFamily,keyspace=mykeyspace,scope=myc
olumnfamily,name=ReadLatency

 

Now, when we look at the overall client request read latency stats we see a
far more inconsistent jagged 99th percentile flying between 5ms - 80ms 

org.apache.cassandra.metrics:type=ClientRequest,scope=Read,name=Latency

 

 

Thanks

 

Chris

 

 

 

 

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