Ok, thanks a lot, Dirk. I had the same feeling, SSD, lot of RAM, big procs, etc...

The problem I have is the server will be a virtual machine, and I have to give sizing infos to infra to let them provision VMs...

Thanks again,
Christophe



Le 01/12/2015 15:06, basex-talk-requ...@mailman.uni-konstanz.de a écrit :
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Today's Topics:

    1. Re: Sizing BaseX Server (Dirk Kirsten)


----------------------------------------------------------------------

Message: 1
Date: Tue, 1 Dec 2015 15:06:03 +0100
From: Dirk Kirsten <d...@basex.org>
To: Christophe Marchand <cmarch...@oxiane.com>
Cc: basex-talk@mailman.uni-konstanz.de
Subject: Re: [basex-talk] Sizing BaseX Server
Message-ID: <565da94b.2090...@basex.org>
Content-Type: text/plain; charset="utf-8"

Hello Christophe,

that's easy: The more you got, the better it is ;)

More serious: It is hard, if not impossible, to tell. This very much
depends on your use case and how you intend to use BaseX in your
process. As a traditional database and having lots of read/write access,
you are most likely I/O bound. However, you can also do complex
operations using XQuery, so you could be CPU bound.

I find it almost always beneficial to use SSDs instead of traditional
HDDs, but again: If you never touch the disk at all, this wouldn't make
a difference (but it also decreases the BaseX startup time, which is nice).

The use cases just differs to much for BaseX - you can use BaseX
embedded into your smartphone application or on a large zServer, so it
is really though to give a general advice. For a practicable approach I
would always recommend you run your application at some standard server
and take a look using Java profiling where BaseX is bound and then
increase the according component.

Cheers
Dirk

On 12/01/2015 01:51 PM, Christophe Marchand wrote:
Hello,

I'm looking at documentation about sizing a basex server computer.
What's best : kind of processor, number of cores, RAM, disk-system,
according to database size.

Is there something in documentation on these subjects ?

Best regards,
Christophe


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