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Re: [Qemu-block] [PATCH RFC] block/gluster: limit the transfer size to 5

From: Stefano Garzarella
Subject: Re: [Qemu-block] [PATCH RFC] block/gluster: limit the transfer size to 512 MiB
Date: Thu, 28 Mar 2019 14:35:32 +0100
User-agent: NeoMutt/20180716

On Thu, Mar 28, 2019 at 12:59:55PM +0100, Kevin Wolf wrote:
> Am 28.03.2019 um 11:52 hat Stefano Garzarella geschrieben:
> > Several versions of GlusterFS (3.12? -> 6.0.1) fail when the
> > transfer size is greater or equal to 1024 MiB, so we are
> > limiting the transfer size to 512 MiB to avoid this rare issue.
> > 
> > Buglink: https://bugzilla.redhat.com/show_bug.cgi?id=1691320
> > Signed-off-by: Stefano Garzarella <address@hidden>
> > ---
> > 
> > RFC:
> > Should I add a parameter to allow the user to modify the max_transfer
> > variable?
> Ideally, gluster would have provided a way to detect automatically
> whether the bug is present. But since you suggest a user option, I'm
> afraid they haven't?

Unfortunately, all version that I tried have this bug, also the latest
available, for this reason, I hard coded the limit in the gluster driver.
I also think that this limit is not reached very often for standard

Maybe I should check the version of the library during the configuration,
when they will fix the issue.

What do you suggest?


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