From: Paolo Bonzini <pbonzini@redhat.com>
To: "Li, Liang Z" <liang.z.li@intel.com>, Roman Kagan <rkagan@virtuozzo.com>
Cc: "Dr. David Alan Gilbert" <dgilbert@redhat.com>,
"ehabkost@redhat.com" <ehabkost@redhat.com>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
"mst@redhat.com" <mst@redhat.com>,
"quintela@redhat.com" <quintela@redhat.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"amit.shah@redhat.com" <amit.shah@redhat.com>,
"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
"virtualization@lists.linux-foundation.org"
<virtualization@lists.linux-foundation.org>,
"rth@twiddle.net" <rth@twiddle.net>
Subject: Re: [Qemu-devel] [RFC qemu 0/4] A PV solution for live migration optimization
Date: Fri, 4 Mar 2016 17:24:34 +0100 [thread overview]
Message-ID: <56D9B6C2.3070708@redhat.com> (raw)
In-Reply-To: <F2CBF3009FA73547804AE4C663CAB28E0414516C@shsmsx102.ccr.corp.intel.com>
On 04/03/2016 15:26, Li, Liang Z wrote:
>> >
>> > The memory usage will keep increasing due to ever growing caches, etc, so
>> > you'll be left with very little free memory fairly soon.
>> >
> I don't think so.
>
Roman is right. For example, here I am looking at a 64 GB (physical)
machine which was booted about 30 minutes ago, and which is running
disk-heavy workloads (installing VMs).
Since I have started writing this email (2 minutes?), the amount of free
memory has already gone down from 37 GB to 33 GB. I expect that by the
time I have finished running the workload, in two hours, it will not
have any free memory.
Paolo
WARNING: multiple messages have this Message-ID (diff)
From: Paolo Bonzini <pbonzini@redhat.com>
To: "Li, Liang Z" <liang.z.li@intel.com>, Roman Kagan <rkagan@virtuozzo.com>
Cc: "Dr. David Alan Gilbert" <dgilbert@redhat.com>,
"ehabkost@redhat.com" <ehabkost@redhat.com>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
"mst@redhat.com" <mst@redhat.com>,
"quintela@redhat.com" <quintela@redhat.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"amit.shah@redhat.com" <amit.shah@redhat.com>,
"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
"virtualization@lists.linux-foundation.org"
<virtualization@lists.linux-foundation.org>,
"rth@twiddle.net" <rth@twiddle.net>
Subject: Re: [Qemu-devel] [RFC qemu 0/4] A PV solution for live migration optimization
Date: Fri, 4 Mar 2016 17:24:34 +0100 [thread overview]
Message-ID: <56D9B6C2.3070708@redhat.com> (raw)
In-Reply-To: <F2CBF3009FA73547804AE4C663CAB28E0414516C@shsmsx102.ccr.corp.intel.com>
On 04/03/2016 15:26, Li, Liang Z wrote:
>> >
>> > The memory usage will keep increasing due to ever growing caches, etc, so
>> > you'll be left with very little free memory fairly soon.
>> >
> I don't think so.
>
Roman is right. For example, here I am looking at a 64 GB (physical)
machine which was booted about 30 minutes ago, and which is running
disk-heavy workloads (installing VMs).
Since I have started writing this email (2 minutes?), the amount of free
memory has already gone down from 37 GB to 33 GB. I expect that by the
time I have finished running the workload, in two hours, it will not
have any free memory.
Paolo
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
WARNING: multiple messages have this Message-ID (diff)
From: Paolo Bonzini <pbonzini@redhat.com>
To: "Li, Liang Z" <liang.z.li@intel.com>, Roman Kagan <rkagan@virtuozzo.com>
Cc: "ehabkost@redhat.com" <ehabkost@redhat.com>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
"quintela@redhat.com" <quintela@redhat.com>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
"mst@redhat.com" <mst@redhat.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"Dr. David Alan Gilbert" <dgilbert@redhat.com>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"amit.shah@redhat.com" <amit.shah@redhat.com>,
"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
"virtualization@lists.linux-foundation.org"
<virtualization@lists.linux-foundation.org>,
"rth@twiddle.net" <rth@twiddle.net>
Subject: Re: [Qemu-devel] [RFC qemu 0/4] A PV solution for live migration optimization
Date: Fri, 4 Mar 2016 17:24:34 +0100 [thread overview]
Message-ID: <56D9B6C2.3070708@redhat.com> (raw)
In-Reply-To: <F2CBF3009FA73547804AE4C663CAB28E0414516C@shsmsx102.ccr.corp.intel.com>
On 04/03/2016 15:26, Li, Liang Z wrote:
>> >
>> > The memory usage will keep increasing due to ever growing caches, etc, so
>> > you'll be left with very little free memory fairly soon.
>> >
> I don't think so.
>
Roman is right. For example, here I am looking at a 64 GB (physical)
machine which was booted about 30 minutes ago, and which is running
disk-heavy workloads (installing VMs).
Since I have started writing this email (2 minutes?), the amount of free
memory has already gone down from 37 GB to 33 GB. I expect that by the
time I have finished running the workload, in two hours, it will not
have any free memory.
Paolo
next prev parent reply other threads:[~2016-03-04 16:24 UTC|newest]
Thread overview: 275+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-03 10:44 [RFC qemu 0/4] A PV solution for live migration optimization Liang Li
2016-03-03 10:44 ` [Qemu-devel] " Liang Li
2016-03-03 10:44 ` Liang Li
2016-03-03 10:44 ` [RFC qemu 1/4] pc: Add code to get the lowmem form PCMachineState Liang Li
2016-03-03 10:44 ` [Qemu-devel] " Liang Li
2016-03-03 10:44 ` Liang Li
2016-03-03 10:44 ` Liang Li
2016-03-03 10:44 ` [RFC qemu 2/4] virtio-balloon: Add a new feature to balloon device Liang Li
2016-03-03 10:44 ` Liang Li
2016-03-03 10:44 ` [Qemu-devel] " Liang Li
2016-03-03 10:44 ` Liang Li
2016-03-03 12:23 ` Cornelia Huck
2016-03-03 12:23 ` Cornelia Huck
2016-03-03 12:23 ` [Qemu-devel] " Cornelia Huck
2016-03-03 12:23 ` Cornelia Huck
2016-03-04 2:38 ` Li, Liang Z
2016-03-04 2:38 ` [Qemu-devel] " Li, Liang Z
2016-03-04 2:38 ` Li, Liang Z
2016-03-04 2:38 ` Li, Liang Z
2016-03-03 12:56 ` Michael S. Tsirkin
2016-03-03 12:56 ` Michael S. Tsirkin
2016-03-03 12:56 ` [Qemu-devel] " Michael S. Tsirkin
2016-03-03 12:56 ` Michael S. Tsirkin
2016-03-04 2:29 ` Li, Liang Z
2016-03-04 2:29 ` [Qemu-devel] " Li, Liang Z
2016-03-04 2:29 ` Li, Liang Z
2016-03-04 2:29 ` Li, Liang Z
2016-03-03 10:44 ` [RFC qemu 3/4] migration: not set migration bitmap in setup stage Liang Li
2016-03-03 10:44 ` [Qemu-devel] " Liang Li
2016-03-03 10:44 ` Liang Li
2016-03-03 10:44 ` Liang Li
2016-03-03 10:44 ` [RFC qemu 4/4] migration: filter out guest's free pages in ram bulk stage Liang Li
2016-03-03 10:44 ` Liang Li
2016-03-03 10:44 ` [Qemu-devel] " Liang Li
2016-03-03 10:44 ` Liang Li
2016-03-03 12:16 ` Cornelia Huck
2016-03-03 12:16 ` [Qemu-devel] " Cornelia Huck
2016-03-03 12:16 ` Cornelia Huck
2016-03-03 12:16 ` Cornelia Huck
2016-03-04 2:32 ` Li, Liang Z
2016-03-04 2:32 ` Li, Liang Z
2016-03-04 2:32 ` [Qemu-devel] " Li, Liang Z
2016-03-04 2:32 ` Li, Liang Z
2016-03-03 12:45 ` [Qemu-devel] " Daniel P. Berrange
2016-03-03 12:45 ` Daniel P. Berrange
2016-03-03 12:45 ` Daniel P. Berrange
2016-03-03 12:45 ` Daniel P. Berrange
2016-03-04 2:43 ` Li, Liang Z
2016-03-04 2:43 ` Li, Liang Z
2016-03-04 2:43 ` Li, Liang Z
2016-03-03 13:58 ` [Qemu-devel] [RFC qemu 0/4] A PV solution for live migration optimization Roman Kagan
2016-03-03 13:58 ` Roman Kagan
2016-03-03 13:58 ` Roman Kagan
2016-03-03 13:58 ` Roman Kagan
2016-03-04 1:35 ` Li, Liang Z
2016-03-04 1:35 ` Li, Liang Z
2016-03-04 1:35 ` Li, Liang Z
2016-03-04 1:35 ` Li, Liang Z
2016-03-03 17:46 ` Dr. David Alan Gilbert
2016-03-03 17:46 ` Dr. David Alan Gilbert
2016-03-03 17:46 ` [Qemu-devel] " Dr. David Alan Gilbert
2016-03-03 17:46 ` Dr. David Alan Gilbert
2016-03-04 1:52 ` Li, Liang Z
2016-03-04 1:52 ` [Qemu-devel] " Li, Liang Z
2016-03-04 1:52 ` Li, Liang Z
2016-03-04 1:52 ` Li, Liang Z
2016-03-04 8:14 ` [Qemu-devel] " Roman Kagan
2016-03-04 8:14 ` Roman Kagan
2016-03-04 8:14 ` Roman Kagan
2016-03-04 9:08 ` Li, Liang Z
2016-03-04 9:08 ` Li, Liang Z
2016-03-04 9:08 ` Li, Liang Z
2016-03-04 10:23 ` Roman Kagan
2016-03-04 10:23 ` Roman Kagan
2016-03-04 10:23 ` Roman Kagan
2016-03-04 10:23 ` Roman Kagan
2016-03-04 14:26 ` Li, Liang Z
2016-03-04 14:26 ` Li, Liang Z
2016-03-04 14:26 ` Li, Liang Z
2016-03-04 14:45 ` Michael S. Tsirkin
2016-03-04 14:45 ` Michael S. Tsirkin
2016-03-04 14:45 ` Michael S. Tsirkin
2016-03-04 14:45 ` Michael S. Tsirkin
2016-03-04 15:49 ` Li, Liang Z
2016-03-04 15:49 ` Li, Liang Z
2016-03-04 15:49 ` Li, Liang Z
2016-03-05 19:55 ` Michael S. Tsirkin
2016-03-05 19:55 ` Michael S. Tsirkin
2016-03-05 19:55 ` Michael S. Tsirkin
2016-03-07 6:49 ` Li, Liang Z
2016-03-07 6:49 ` Li, Liang Z
2016-03-07 6:49 ` Li, Liang Z
2016-03-07 6:49 ` Li, Liang Z
2016-03-07 11:40 ` Michael S. Tsirkin
2016-03-07 11:40 ` Michael S. Tsirkin
2016-03-07 11:40 ` Michael S. Tsirkin
2016-03-07 11:40 ` Michael S. Tsirkin
2016-03-07 15:06 ` Li, Liang Z
2016-03-07 15:06 ` Li, Liang Z
2016-03-07 15:06 ` Li, Liang Z
2016-03-07 15:06 ` Li, Liang Z
2016-03-09 14:28 ` Roman Kagan
2016-03-09 14:28 ` Roman Kagan
2016-03-09 14:28 ` Roman Kagan
2016-03-09 14:28 ` Roman Kagan
2016-03-09 15:27 ` Li, Liang Z
2016-03-09 15:27 ` Li, Liang Z
2016-03-09 15:27 ` Li, Liang Z
2016-03-09 15:30 ` Michael S. Tsirkin
2016-03-09 15:30 ` Michael S. Tsirkin
2016-03-09 15:30 ` Michael S. Tsirkin
2016-03-09 15:30 ` Michael S. Tsirkin
2016-03-10 1:41 ` Li, Liang Z
2016-03-10 1:41 ` Li, Liang Z
2016-03-10 1:41 ` Li, Liang Z
2016-03-10 1:41 ` Li, Liang Z
2016-03-10 12:29 ` Michael S. Tsirkin
2016-03-10 12:29 ` Michael S. Tsirkin
2016-03-10 12:29 ` Michael S. Tsirkin
2016-03-10 12:29 ` Michael S. Tsirkin
2016-03-09 15:27 ` Li, Liang Z
2016-03-09 15:41 ` Michael S. Tsirkin
2016-03-09 15:41 ` Michael S. Tsirkin
2016-03-09 17:04 ` Roman Kagan
2016-03-09 17:04 ` Roman Kagan
2016-03-09 17:04 ` Roman Kagan
2016-03-09 17:04 ` Roman Kagan
2016-03-09 17:39 ` Michael S. Tsirkin
2016-03-09 17:39 ` Michael S. Tsirkin
2016-03-10 10:21 ` Roman Kagan
2016-03-10 10:21 ` Roman Kagan
2016-03-10 10:21 ` Roman Kagan
2016-03-10 10:21 ` Roman Kagan
2016-03-09 19:38 ` Rik van Riel
2016-03-09 19:38 ` Rik van Riel
2016-03-09 19:38 ` Rik van Riel
2016-03-10 9:30 ` Roman Kagan
2016-03-10 9:30 ` Roman Kagan
2016-03-10 9:30 ` Roman Kagan
2016-03-10 9:30 ` Roman Kagan
2016-03-09 17:04 ` Roman Kagan
2016-03-09 15:41 ` Michael S. Tsirkin
2016-03-09 14:28 ` Roman Kagan
2016-03-05 19:55 ` Michael S. Tsirkin
2016-03-04 15:49 ` Li, Liang Z
2016-03-04 16:24 ` Paolo Bonzini
2016-03-04 16:24 ` Paolo Bonzini [this message]
2016-03-04 16:24 ` Paolo Bonzini
2016-03-04 16:24 ` Paolo Bonzini
2016-03-04 18:51 ` Dr. David Alan Gilbert
2016-03-04 18:51 ` Dr. David Alan Gilbert
2016-03-04 18:51 ` Dr. David Alan Gilbert
2016-03-04 18:51 ` Dr. David Alan Gilbert
2016-03-07 5:34 ` Li, Liang Z
2016-03-07 5:34 ` Li, Liang Z
2016-03-07 5:34 ` Li, Liang Z
2016-03-07 5:34 ` Li, Liang Z
2016-03-09 13:22 ` Roman Kagan
2016-03-09 13:22 ` Roman Kagan
2016-03-09 13:22 ` Roman Kagan
2016-03-09 13:22 ` Roman Kagan
2016-03-09 14:19 ` Li, Liang Z
2016-03-09 14:19 ` Li, Liang Z
2016-03-09 14:19 ` Li, Liang Z
2016-03-09 14:19 ` Li, Liang Z
2016-03-09 6:18 ` Li, Liang Z
2016-03-09 6:18 ` Li, Liang Z
2016-03-09 6:18 ` Li, Liang Z
2016-03-09 6:18 ` Li, Liang Z
2016-03-04 14:26 ` Li, Liang Z
2016-03-04 9:08 ` Li, Liang Z
2016-03-04 8:14 ` Roman Kagan
2016-03-04 7:55 ` Roman Kagan
2016-03-04 7:55 ` Roman Kagan
2016-03-04 7:55 ` Roman Kagan
2016-03-04 7:55 ` Roman Kagan
2016-03-04 7:55 ` Roman Kagan
2016-03-04 8:23 ` Li, Liang Z
2016-03-04 8:23 ` Li, Liang Z
2016-03-04 8:23 ` Li, Liang Z
2016-03-04 8:23 ` Li, Liang Z
2016-03-04 8:35 ` Roman Kagan
2016-03-04 8:35 ` Roman Kagan
2016-03-04 8:35 ` Roman Kagan
2016-03-04 9:08 ` Dr. David Alan Gilbert
2016-03-04 9:08 ` Dr. David Alan Gilbert
2016-03-04 9:08 ` Dr. David Alan Gilbert
2016-03-04 9:12 ` Li, Liang Z
2016-03-04 9:12 ` Li, Liang Z
2016-03-04 9:12 ` Li, Liang Z
2016-03-04 9:47 ` Michael S. Tsirkin
2016-03-04 9:47 ` Michael S. Tsirkin
2016-03-04 9:47 ` Michael S. Tsirkin
2016-03-04 10:11 ` Li, Liang Z
2016-03-04 10:11 ` Li, Liang Z
2016-03-04 10:11 ` Li, Liang Z
2016-03-04 10:11 ` Li, Liang Z
2016-03-04 10:36 ` Michael S. Tsirkin
2016-03-04 10:36 ` Michael S. Tsirkin
2016-03-04 10:36 ` Michael S. Tsirkin
2016-03-04 10:36 ` Michael S. Tsirkin
2016-03-04 15:13 ` Li, Liang Z
2016-03-04 15:13 ` Li, Liang Z
2016-03-04 15:13 ` Li, Liang Z
2016-03-08 14:03 ` Michael S. Tsirkin
2016-03-08 14:03 ` Michael S. Tsirkin
2016-03-08 14:03 ` Michael S. Tsirkin
2016-03-08 14:17 ` Li, Liang Z
2016-03-08 14:17 ` Li, Liang Z
2016-03-08 14:17 ` Li, Liang Z
2016-03-08 14:17 ` Li, Liang Z
2016-03-08 14:03 ` Michael S. Tsirkin
2016-03-04 15:13 ` Li, Liang Z
2016-03-04 9:47 ` Michael S. Tsirkin
2016-03-04 9:35 ` Roman Kagan
2016-03-04 9:35 ` Roman Kagan
2016-03-04 9:35 ` Roman Kagan
2016-03-04 9:35 ` Roman Kagan
2016-03-04 8:35 ` Roman Kagan
2016-03-08 11:13 ` Amit Shah
2016-03-08 11:13 ` [Qemu-devel] " Amit Shah
2016-03-08 11:13 ` Amit Shah
2016-03-08 11:13 ` Amit Shah
2016-03-08 13:11 ` Li, Liang Z
2016-03-08 13:11 ` [Qemu-devel] " Li, Liang Z
2016-03-08 13:11 ` Li, Liang Z
2016-03-08 13:11 ` Li, Liang Z
2016-03-10 7:44 ` Li, Liang Z
2016-03-10 7:44 ` [Qemu-devel] " Li, Liang Z
2016-03-10 7:44 ` Li, Liang Z
2016-03-10 7:57 ` Amit Shah
2016-03-10 7:57 ` Amit Shah
2016-03-10 7:57 ` [Qemu-devel] " Amit Shah
2016-03-10 7:57 ` Amit Shah
2016-03-10 8:36 ` Li, Liang Z
2016-03-10 8:36 ` Li, Liang Z
2016-03-10 8:36 ` [Qemu-devel] " Li, Liang Z
2016-03-10 8:36 ` Li, Liang Z
2016-03-10 11:18 ` Dr. David Alan Gilbert
2016-03-10 11:18 ` [Qemu-devel] " Dr. David Alan Gilbert
2016-03-10 11:18 ` Dr. David Alan Gilbert
2016-03-11 2:38 ` Li, Liang Z
2016-03-11 2:38 ` [Qemu-devel] " Li, Liang Z
2016-03-11 2:38 ` Li, Liang Z
2016-03-14 17:03 ` Dr. David Alan Gilbert
2016-03-14 17:03 ` Dr. David Alan Gilbert
2016-03-14 17:03 ` [Qemu-devel] " Dr. David Alan Gilbert
2016-03-14 17:03 ` Dr. David Alan Gilbert
2016-03-15 3:31 ` Li, Liang Z
2016-03-15 3:31 ` [Qemu-devel] " Li, Liang Z
2016-03-15 3:31 ` Li, Liang Z
2016-03-15 3:31 ` Li, Liang Z
2016-03-15 3:31 ` Li, Liang Z
2016-03-15 10:29 ` Michael S. Tsirkin
2016-03-15 10:29 ` [Qemu-devel] " Michael S. Tsirkin
2016-03-15 10:29 ` Michael S. Tsirkin
2016-03-15 11:11 ` Li, Liang Z
2016-03-15 11:11 ` [Qemu-devel] " Li, Liang Z
2016-03-15 11:11 ` Li, Liang Z
2016-03-15 11:11 ` Li, Liang Z
2016-03-15 19:55 ` Dr. David Alan Gilbert
2016-03-15 19:55 ` [Qemu-devel] " Dr. David Alan Gilbert
2016-03-15 19:55 ` Dr. David Alan Gilbert
2016-03-15 19:55 ` Dr. David Alan Gilbert
2016-03-16 1:20 ` Li, Liang Z
2016-03-16 1:20 ` [Qemu-devel] " Li, Liang Z
2016-03-16 1:20 ` Li, Liang Z
2016-03-16 1:20 ` Li, Liang Z
2016-03-15 10:29 ` Michael S. Tsirkin
2016-03-11 2:38 ` Li, Liang Z
2016-03-10 11:18 ` Dr. David Alan Gilbert
2016-03-10 7:44 ` Li, Liang Z
-- strict thread matches above, loose matches on Subject: below --
2016-03-04 9:32 [Qemu-devel] " Jitendra Kolhe
2016-03-04 9:36 ` Li, Liang Z
2016-03-08 11:14 ` Amit Shah
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=56D9B6C2.3070708@redhat.com \
--to=pbonzini@redhat.com \
--cc=akpm@linux-foundation.org \
--cc=amit.shah@redhat.com \
--cc=dgilbert@redhat.com \
--cc=ehabkost@redhat.com \
--cc=kvm@vger.kernel.org \
--cc=liang.z.li@intel.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=mst@redhat.com \
--cc=qemu-devel@nongnu.org \
--cc=quintela@redhat.com \
--cc=rkagan@virtuozzo.com \
--cc=rth@twiddle.net \
--cc=virtualization@lists.linux-foundation.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.