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From Anup Shirolkar <anup.shirol...@instaclustr.com>
Subject Re: Cassandra DCOS | monitoring connection and user activity
Date Thu, 01 Nov 2018 00:21:39 GMT
Hi,

Looks like you need a monitoring for Cassandra but without using JMX.
It is possible to use metric reporting libraries in Cassandra:
https://wiki.apache.org/cassandra/Metrics#Reporting

I do not have specific experience with using Cassandra on DCOS but,
monitoring with libraries and tools should not be any different.

There are various options available to establish good monitoring (Graphite,
Prometheus, Grafana)

Helpful links:

https://blog.pythian.com/monitoring-apache-cassandra-metrics-graphite-grafana/
https://github.com/instaclustr/cassandra-exporter
https://prometheus.io/docs/instrumenting/exporters/
https://grafana.com/dashboards/5408
http://thelastpickle.com/blog/2017/04/05/cassandra-graphite-measurements-filtered.html

Regards,

Anup Shirolkar




On Wed, 31 Oct 2018 at 18:41, Caesar, Maik <maik.caesar@dxc.com> wrote:

> Hello All,
>
> have someone experience with monitoring cassandra in DCOS?
>
> If we increase the load to the Casandra in DCOS, the application get
> timeouts and loose the connection and I do not have any information about
> what happened.
>
> Is there a way to get information about the amount of current connection
> and which queries are executed? Cassandra in DCOS has disabled the JMX
> interface and I think the noodetool do not provide such information.
>
>
>
> Regards
>
> Maik
>
>
>
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