From: Eric Blake <eblake@redhat.com>
To: Hailiang Zhang <zhang.zhanghailiang@huawei.com>, qemu-devel@nongnu.org
Cc: danielcho@qnap.com, chen.zhang@intel.com, dgilbert@redhat.com,
quintela@redhat.com
Subject: Re: [PATCH 2/3] COLO: Migrate dirty pages during the gap of checkpointing
Date: Mon, 17 Feb 2020 05:45:01 -0600 [thread overview]
Message-ID: <eb770a48-905a-03cd-860c-dc16f0b77f94@redhat.com> (raw)
In-Reply-To: <20200217012049.22988-3-zhang.zhanghailiang@huawei.com>
On 2/16/20 7:20 PM, Hailiang Zhang wrote:
> We can migrate some dirty pages during the gap of checkpointing,
> by this way, we can reduce the amount of ram migrated during checkpointing.
>
> Signed-off-by: Hailiang Zhang <zhang.zhanghailiang@huawei.com>
> ---
> +++ b/qapi/migration.json
> @@ -977,12 +977,14 @@
> #
> # @vmstate-loaded: VM's state has been loaded by SVM.
> #
> +# @migrate-ram-background: Send some dirty pages during the gap of COLO checkpoint
> +#
Missing a '(since 5.0)' marker.
> # Since: 2.8
> ##
> { 'enum': 'COLOMessage',
> 'data': [ 'checkpoint-ready', 'checkpoint-request', 'checkpoint-reply',
> 'vmstate-send', 'vmstate-size', 'vmstate-received',
> - 'vmstate-loaded' ] }
> + 'vmstate-loaded', 'migrate-ram-background' ] }
>
> ##
> # @COLOMode:
>
--
Eric Blake, Principal Software Engineer
Red Hat, Inc. +1-919-301-3226
Virtualization: qemu.org | libvirt.org
next prev parent reply other threads:[~2020-02-17 11:46 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-17 1:20 [PATCH 0/3] Optimize VM's downtime while do checkpoint in COLO Hailiang Zhang
2020-02-17 1:20 ` [PATCH 1/3] migration/colo: wrap incoming checkpoint process into new helper Hailiang Zhang
2020-02-19 18:24 ` Dr. David Alan Gilbert
2020-02-17 1:20 ` [PATCH 2/3] COLO: Migrate dirty pages during the gap of checkpointing Hailiang Zhang
2020-02-17 11:45 ` Eric Blake [this message]
2020-02-19 18:51 ` Dr. David Alan Gilbert
2020-02-24 4:06 ` Zhanghailiang
2020-02-17 1:20 ` [PATCH 3/3] COLO: Optimize memory back-up process Hailiang Zhang
2020-02-20 18:24 ` Dr. David Alan Gilbert
2020-02-24 4:10 ` Zhanghailiang
2020-02-20 18:27 ` [PATCH 0/3] Optimize VM's downtime while do checkpoint in COLO Dr. David Alan Gilbert
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