Re: New Development Update - [1.4.X releases]

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Hi Amar!

That's great to hear. I'm getting back at using GlusterFS again. Yesterday
my web servers started using it again and we'll migrate our e-mail storage
to it within 6 weeks.

I'll start using the 1.4qa version this week with a new project here. The
new BDB storage is the answer to my prayers. I'm developing a spam
reputation system here, it will have to handle a few millions of requests
per day (~20 million/day), and every request reads and writes a few files (a
few per domain name plus a few per IP address). This new BDB storage fits
perfectly for me. So, I'm very excited with this new version.

Questions:
1 - Will 1.4's unify still need the namespace cache?

2 - If so, can I use the BDB storage for the namespace cache?

3 - Thinking about the database problem I described above, I'll have to open
many many files per second. If unify will have to lookup() every server
every time it will not scale too much if I add more servers as I will be
limited by the lookup() capacity of my worst brick, right? So, talking
performance wise, have you thought about the hash scheduler I proposed [1]
some time ago that know where a file should be and only asks at right server
first? If the file is not found, ask the others.

References:
[1] http://www.mail-archive.com/gluster-devel@xxxxxxxxxx/msg03520.html

Congratulations to all of you.

Best regards,
Daniel Colchete

On Fri, Jun 6, 2008 at 6:24 PM, Amar S. Tumballi <amar@xxxxxxxxxxxxx> wrote:

> Hi,
>  As the topic says, I want to give you all a snapshot of whats coming in
> 1.4.x series and where is our main focus for the release.
>
> 1.4.x -
> * Performance of GlusterFS (reduced CPU and memory usage, protocol
> enhancements)
> * Non blocking I/O - to give more responsiveness to GlusterFS, remove the
> issues faced due to timeout, freezing etc.
> * Few features to handle different verticals of storage requirements.
>
> We expect to get this branch to stability very soon (within a month or so),
> so we won't be having complains about small file performance and
> timeout/hang issues anymore (from 1.3.x branch). Hence your help in testing
> this out for your application,  your configuration, and reporting bugs
> would
> help us to get it to stability even faster.
>
> Regards,
> GlusterFS Team
>
> PS: Currently this release of qa is not tested on any other OS than
> GNU/Linux. I will write back as soon as we have a fix for each specific OS.
>
> Regards,
> Amar
>
> --
> Amar Tumballi
> Gluster/GlusterFS Hacker
> [bulde on #gluster/irc.gnu.org]
> http://www.zresearch.com - Commoditizing Super Storage!
> _______________________________________________
> Gluster-devel mailing list
> Gluster-devel@xxxxxxxxxx
> http://lists.nongnu.org/mailman/listinfo/gluster-devel
>


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