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From Rene Kochen <rene.koc...@emea.schange.com>
Subject Re: nodetool cfhistograms refresh
Date Tue, 01 Oct 2013 19:34:39 GMT
If I look at Read Latency I see indeed that they are reset during two runs
of cfhistograms. However, "Row Size" and "Column Count" keep the values.
When are they re-evaluated?

Thanks!

Rene


2013/10/1 Richard Low <richard@wentnet.com>

> On 1 October 2013 16:21, Rene Kochen <rene.kochen@schange.com> wrote:
>
>> Quick question.
>>
>> I am using Cassandra 1.0.11
>>
>> When is nodetool cfhistograms output reset? I know that data is collected
>> during read requests. But I am wondering if it is data since the beginning
>> (start of Cassandra) or if it is reset periodically?
>>
>
> It is reset on node restart and on each call to nodetool cfhistograms.
>
> Richard.
>

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