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From Jason Gerlowski <gerlowsk...@gmail.com>
Subject Re: understanding solr metrics
Date Thu, 02 Jan 2020 14:42:08 GMT
Hi Akhil,

I'm not an expert on these metrics, but the way I've been reading them:

"meanRate" is a measure of how many requests come in per some unit of
time.  It has nothing to do with how long individual requests take.

"mean_ms" is the average time taken by requests (in milliseconds).

Hope that helps,

Jason

On Thu, Jan 2, 2020 at 9:13 AM akhil dutt <akhildutt81@gmail.com> wrote:
>
> Hi,
> I'm trying to understand solr metrics and was looking at request/response
> dispatch rate. I want to understand what meanRate signify. As per below
> values, am I to suppose that  each request takes 300 seconds (1/ meanRate )?
>
>
> org.eclipse.jetty.server.handler.DefaultHandler.dispatches:
> {
>
>    - count: 628,
>    - meanRate: 0.003289067572916428,
>    - 1minRate: 0.000005987072200468513,
>    - 5minRate: 0.0011878359052365337,
>    - 15minRate: 0.001259541736414636,
>    - min_ms: 0,
>    - max_ms: 755,
>    - mean_ms: 43.5,
>    - median_ms: 6,
>    - stddev_ms: 40.5,
>    - p75_ms: 84,
>    - p95_ms: 84,
>    - p99_ms: 84,
>    - p999_ms: 84
>
> },
>
> Thanks,
> Akhil

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