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List:       openldap-technical
Subject:    Re: etime calculation
From:       Howard Chu <hyc () symas ! com>
Date:       2024-01-22 17:15:41
Message-ID: eaa51ad4-bcda-0180-bec8-91ed66e8d5f1 () symas ! com
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david.gracjan@gmail.com wrote:
> Hello,
> As part of a project we'd like to know exactly how etime is calculated in openldap.
> Is it purely the calculation time taken by openldap to execute the request, or are \
> other parameters also taken into account?

It is the time from when the request was received by slapd until the time slapd sent \
the result message.

> Like client time?
> 
> For exemple, in local with a specific filter i do the search in 1 second and the \
> etime in my logs are 1 second. Now i have a client who do the same search with the \
> same filter and he perferm the search in 27 second and the etime in my log are 27 \
> second too.  Does the transfer time count? Does anything else count?

If the result is large enough and the client is slow enough, then slapd's output \
buffers may fill, and then slapd would have to wait for the client to read enough \
data to unclog the slapd output before it can finish and send its result message. For \
simple requests with small responses, usually this isn't an issue.

> 
> Thanks in advance
> 


-- 
  -- Howard Chu
  CTO, Symas Corp.           http://www.symas.com
  Director, Highland Sun     http://highlandsun.com/hyc/
  Chief Architect, OpenLDAP  http://www.openldap.org/project/


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