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Subject: Re: 'Request' support in qsrv
From: Michael Davidsaver via Core-talk <[email protected]>
To: Ralph Lange <[email protected]>
Cc: EPICS Core Talk <[email protected]>
Date: Mon, 14 Jan 2019 09:13:15 -0800
On 1/14/19 8:30 AM, Ralph Lange via Core-talk wrote:
> On Mon, 14 Jan 2019 at 17:17, Kasemir, Kay via Core-talk <[email protected] <mailto:[email protected]>> wrote:
> 
> 
>     [...]
>     The only problematic scenario would be a large waveform record where some client solely requests the timestamp.
>     Always adding the complete waveform would increase the network traffic compared to just the requested timestamp, but I think that's a silly example.
> 
> 
> Make that a client that only wants to check the metadata of a huge image (e.g. to decide on the image size if it wants to read the image data itself), and it's not silly anymore.

This seems hypothetical.  Has anyone ever wanted to do this?  What was the motivation?

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Replies:
Re: 'Request' support in qsrv Johnson, Andrew N. via Core-talk
References:
'Request' support in qsrv Kasemir, Kay via Core-talk
Re: 'Request' support in qsrv Michael Davidsaver via Core-talk
Re: 'Request' support in qsrv Kasemir, Kay via Core-talk
Re: 'Request' support in qsrv Ralph Lange via Core-talk

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