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From Carl Mueller <carl.muel...@smartthings.com.INVALID>
Subject Re: Metrics matrix: migrate 2.1.x metrics to 2.2.x+
Date Mon, 01 Oct 2018 17:37:45 GMT
That's great too, thank you.

Datadog 350 metric limit is a PITA for tables once you get over 10 tables,
but I guess we can use bean_regex to do specific targetted metrics for the
important tables anyway.

On Mon, Oct 1, 2018 at 4:21 AM Alain RODRIGUEZ <arodrime@gmail.com> wrote:

> Hello Carl,
>
> Here is a message I sent to my team a few months ago. I hope this will be
> helpful to you and more people around :). It might not be exhaustive and we
> were moving from C*2.1 to C*3+ in this case, thus skipping C*2.2, but C*2.2
> is similar to C*3.0 if I remember correctly in terms of metrics. Here it is
> for what it's worth:
>
> Quite a few things changed between metric reporter in C* 2.1 and C*3.0.
> - ColumnFamily --> Table
> - XXpercentile --> pXX
> - 1MinuteRate -->  m1_rate
> - metric name before KS and Table names and some other changes of this
> kind.
> - ^ aggregations / aliases indexes changed because of this (using graphite
> for example) ^
> - ‘.value’ is not appended in the metric name anymore for gauges, nothing
> instead.
>
> For example (graphite):
>
> From
> aliasByNode(averageSeriesWithWildcards(cassandra.$env.$dc.$host.org.apache.cassandra.metrics.ColumnFamily.$ks.$table.ReadLatency.95percentile,
> 2, 3), 1, 7, 8, 9)
>
> to
> aliasByNode(averageSeriesWithWildcards(cassandra.$env.$dc.$host.org.apache.cassandra.metrics.Table.ReadLatency.$ks.$table.p95,
> 2, 3), 1, 8, 9, 10)
>
> C*heers,
> -----------------------
> Alain Rodriguez - @arodream - alain@thelastpickle.com
> France / Spain
>
> The Last Pickle - Apache Cassandra Consulting
> http://www.thelastpickle.com
>
> Le ven. 28 sept. 2018 à 20:38, Carl Mueller
> <carl.mueller@smartthings.com.invalid> a écrit :
>
>> VERY NICE! Thank you very much
>>
>> On Fri, Sep 28, 2018 at 1:32 PM Lyuben Todorov <
>> lyuben.todorov@instaclustr.com> wrote:
>>
>>> Nothing as fancy as a matrix but a list of what JMX term can see.
>>> Link to the online diff here: https://www.diffchecker.com/G9FE9swS
>>>
>>> /lyubent
>>>
>>> On Fri, 28 Sep 2018 at 19:04, Carl Mueller
>>> <carl.mueller@smartthings.com.invalid> wrote:
>>>
>>>> It's my understanding that metrics got heavily re-namespaced in JMX for
>>>> 2.2 from 2.1
>>>>
>>>> Did anyone ever make a migration matrix/guide for conversion of old
>>>> metrics to new metrics?
>>>>
>>>>
>>>>

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