From: Eric Blake <eblake@redhat.com>
To: Alberto Garcia <berto@igalia.com>, qemu-devel@nongnu.org
Cc: qemu-block@nongnu.org, Kevin Wolf <kwolf@redhat.com>,
Max Reitz <mreitz@redhat.com>
Subject: Re: [Qemu-devel] [PATCH 2/2] docs: Document the new default sizes of the qcow2 caches
Date: Tue, 13 Mar 2018 13:25:30 -0500 [thread overview]
Message-ID: <c328607b-edcc-b452-388f-3b95d951b3f4@redhat.com> (raw)
In-Reply-To: <b0f41d78fb61352d58e1f3442c3eec8f94ec6e16.1520952419.git.berto@igalia.com>
On 03/13/2018 10:02 AM, Alberto Garcia wrote:
> We have just reduced the refcount cache size to the minimum unless
> the user explicitly requests a larger one, so we have to update the
> documentation to reflect this change.
>
> Signed-off-by: Alberto Garcia <berto@igalia.com>
> ---
> docs/qcow2-cache.txt | 31 ++++++++++++++-----------------
> 1 file changed, 14 insertions(+), 17 deletions(-)
>
> +Before QEMU 2.12 the refcount cache had a default size of 1/4 of the
> +L2 cache size. This resulted in unnecessarily large caches, so now the
> +refcount cache is as small as possible unless overriden by the user.
s/overriden/overridden/
Reviewed-by: Eric Blake <eblake@redhat.com>
--
Eric Blake, Principal Software Engineer
Red Hat, Inc. +1-919-301-3266
Virtualization: qemu.org | libvirt.org
prev parent reply other threads:[~2018-03-13 18:25 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-13 15:02 [Qemu-devel] [PATCH 0/2] Give the refcount cache the minimum possible size by default Alberto Garcia
2018-03-13 15:02 ` [Qemu-devel] [PATCH 1/2] qcow2: " Alberto Garcia
2018-03-13 18:23 ` Eric Blake
2018-03-13 18:48 ` Alberto Garcia
2018-03-13 19:10 ` Eric Blake
2018-03-13 15:02 ` [Qemu-devel] [PATCH 2/2] docs: Document the new default sizes of the qcow2 caches Alberto Garcia
2018-03-13 18:25 ` Eric Blake [this message]
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