[ZODB-Dev] [ZODB 3.10] Benefits of dedicated processes per ZEO client

Andreas Jung lists at zopyx.com
Wed Apr 7 14:01:14 EDT 2010


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Jim Fulton wrote:
> On Wed, Apr 7, 2010 at 1:39 PM, Andreas Jung <lists at zopyx.com> wrote:
>> -----BEGIN PGP SIGNED MESSAGE-----
>> Hash: SHA1
>>
>> According to the ZODB 3.10 release notes we will have dedicated
>> processes on the ZEO server side for each client connection.
> 
> Where do they say that?
> 
> They say that "ZEO clients now work in forked processes." Is that what
> you're referring to?  That should probably have been worded
> differently: "ZEO clients now work properly in forked processes."

I had multi-threading in my mind but now was reading about forked
processed...that's confused me.



> 
>> Our typical scenario is like this: we run 5-6 ZEO servers where each
>> server manages one fat storage (50-100GB). Roughly 20-30 ZEO clients are
>> connected to each ZEO server (10 ZEO clients with 2-3 works threads
>> each) doing reads and writes plus a certain number (perhaps 5-10) ZEO
>> clients doing mass export/read operations. Should we see any benefits
>> from using a ZODB 3.10 server in such a scenario?
>

Better performance in terms of higher throughput and increased number of
load operations (which is essential to the reading batch clients)?

Andreas
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.10 (Darwin)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/

iEYEARECAAYFAku8yGkACgkQCJIWIbr9KYyXbwCgsngpGlbcOWrnGdDJKbORhfCh
clwAn36Xoso5B8OE/MV3jcMMMkeJQjOa
=irmP
-----END PGP SIGNATURE-----
-------------- next part --------------
A non-text attachment was scrubbed...
Name: lists.vcf
Type: text/x-vcard
Size: 316 bytes
Desc: not available
Url : http://mail.zope.org/pipermail/zodb-dev/attachments/20100407/6c617a43/attachment.vcf 


More information about the ZODB-Dev mailing list