From: Eric Blake <eblake@redhat.com>
To: Leonid Bloch <lbloch@janustech.com>, qemu-devel@nongnu.org
Cc: Kevin Wolf <kwolf@redhat.com>,
qemu-block@nongnu.org, Max Reitz <mreitz@redhat.com>,
Alberto Garcia <berto@igalia.com>
Subject: Re: [Qemu-devel] [PATCH 0/4] Introduction of l2-cache-full option for qcow2 images
Date: Tue, 24 Jul 2018 09:49:20 -0500 [thread overview]
Message-ID: <d0f7f0f9-93da-6e97-e87b-886f9a77f324@redhat.com> (raw)
In-Reply-To: <20180724121753.5753-1-lbloch@janustech.com>
On 07/24/2018 07:17 AM, Leonid Bloch wrote:
> This series introduces an option to calculate and allocate
> automatically enough qcow2 L2 cache to cover the entire image.
> Using cache that covers the entire image can benefit performance,
> while having only a small memory overhead (just 1 MB for every 8 GB
> of virtual image size with the default cluster size).
Is this still needed after Berto's work on commit 603790e and related,
that maximizes the l2 cache by minimizing the refcount cache?
--
Eric Blake, Principal Software Engineer
Red Hat, Inc. +1-919-301-3266
Virtualization: qemu.org | libvirt.org
next prev parent reply other threads:[~2018-07-24 14:49 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-24 12:17 [Qemu-devel] [PATCH 0/4] Introduction of l2-cache-full option for qcow2 images Leonid Bloch
2018-07-24 12:17 ` [Qemu-devel] [PATCH 1/4] qcow2: Introduce an option for sufficient L2 cache for the entire image Leonid Bloch
2018-07-24 14:52 ` Eric Blake
2018-08-03 9:27 ` Alberto Garcia
2018-07-24 12:17 ` [Qemu-devel] [PATCH 2/4] docs: Fix an inaccuracy due to recent changes Leonid Bloch
2018-07-24 15:20 ` Eric Blake
2018-07-24 16:25 ` Leonid Bloch
2018-07-24 15:22 ` [Qemu-devel] [PATCH 2/4 for-3.0] " Eric Blake
2018-07-24 12:17 ` [Qemu-devel] [PATCH 3/4] docs: Document the l2-cache-full option Leonid Bloch
2018-07-24 15:21 ` Eric Blake
2018-07-24 16:28 ` Leonid Bloch
2018-07-24 12:17 ` [Qemu-devel] [PATCH 4/4] iotests: Add tests for the new " Leonid Bloch
2018-07-24 15:24 ` Eric Blake
2018-07-24 14:49 ` Eric Blake [this message]
2018-07-24 15:19 ` [Qemu-devel] [PATCH 0/4] Introduction of l2-cache-full option for qcow2 images Leonid Bloch
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