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From Daniel Doubleday <daniel.double...@gmx.net>
Subject Cassandra Monitoring
Date Fri, 17 Dec 2010 10:48:43 GMT
Hi all

just wanted to share a simple way we use to monitor cassandra internals with zabbix.

We use a minimal http server which reads jmx and shows returns them in a property form. Thats
read by zabbix every 30secs.
That's started together with cassandra:

https://gist.github.com/744761

Output looks something like:

dd@caladan[~]$ curl http://b22:9090/jmxexport
OperationMode=Normal
Load=151.379
ReadOperations=506334
WriteOperations=865867
TotalReadLatencyMicros=6663882635
TotalWriteLatencyMicros=352292885
BytesCompacted=0
BytesTotalInProgress=0
PendingTasks=0
HeapUsed=1153810280

How / what are you monitoring? Best practices someone?

Cheers,

Daniel Doubleday,
smeet.com, Berlin
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