Re: Help with ZEO performance

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On Wed, Nov 21, 2018 at 3:18 PM Colin Garriga-Sala=C3=BCn <[email protected]> w=
rote:

> Hello list.
>
> I have a 250Go ZEO5 database and ~140 clients connected to it.
> ~120 clients are uwsgi workers reading data.
> ~20 clients are daemon-workers handling write operations.
>
> On heavy write operations, uwsgi workers are stalling.
>
> Would you have some recommandations for me ?
>
> I am very surprised to see that my server is handling all those
> connections through only one process. Is it a normal behaviour ?
>

That's a lot of connections.  At ZC (Zope Corporation) I think we got up to
~80 connections.

What version of ZEO are you using?

Jim



>
> Help :)
>
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Jim Fulton
http://jimfulton.info

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<div dir=3D"ltr"><br><br><div class=3D"gmail_quote"><div dir=3D"ltr">On Wed=
, Nov 21, 2018 at 3:18 PM Colin Garriga-Sala=C3=BCn &lt;<a href=3D"mailto:c=
[email protected]">[email protected]</a>&gt; wrote:<br></div><blockquote class=3D"gm=
ail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-le=
ft:1ex">Hello list.<br>
<br>
I have a 250Go ZEO5 database and ~140 clients connected to it.<br>
~120 clients are uwsgi workers reading data.<br>
~20 clients are daemon-workers handling write operations.<br>
<br>
On heavy write operations, uwsgi workers are stalling.<br>
<br>
Would you have some recommandations for me ?<br>
<br>
I am very surprised to see that my server is handling all those<br>
connections through only one process. Is it a normal behaviour ?<br></block=
quote><div><br></div><div>That&#39;s a lot of connections.=C2=A0 At ZC (Zop=
e Corporation) I think we got up to ~80 connections.</div><div><br></div><d=
iv>What version of ZEO are=C2=A0you using?</div><div><br></div><div>Jim</di=
v><div><br></div><div>=C2=A0</div><blockquote class=3D"gmail_quote" style=
=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<br>
Help :)<br>
<br>
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=3D"noreferrer" target=3D"_blank">https://groups.google.com/d/optout</a>.<b=
r>
</blockquote></div><br clear=3D"all"><div><br></div>-- <br><div dir=3D"ltr"=
 class=3D"gmail_signature" data-smartmail=3D"gmail_signature">Jim Fulton<br=
><a href=3D"http://jimfulton.info" target=3D"_blank">http://jimfulton.info<=
/a><br></div></div>

<p></p>

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