Re: [osv-dev] page cache used in OSv with ZFS

MAP_PRIVATE. > Thanks, > Zhiting > > > > On Wed, Mar 13, 2019 at 8:40 AM Gleb Natapov wrote: > > > On Wed, Mar 13, 2019 at 02:49:27PM +0200, Nadav Har'El wrote: > > > On Sun, Mar 10, 2019 at 7:35 PM zhiting zhu wrote: > > > > > > >

Re: [osv-dev] page cache used in OSv with ZFS

On Wed, Mar 13, 2019 at 02:49:27PM +0200, Nadav Har'El wrote: > On Sun, Mar 10, 2019 at 7:35 PM zhiting zhu wrote: > > > Hey, > > > > Not sure whether this is the right place to ask question. Is there a > > description on how page cache is used in OSv with ZFS? The only place I can > > find that

Re: AWS new KVM hypervisor

On Thu, Nov 16, 2017 at 11:15:18AM +0200, Avi Kivity wrote: > On 11/16/2017 11:03 AM, Gleb Natapov wrote: > > On Thu, Nov 16, 2017 at 10:59:07AM +0200, Avi Kivity wrote: > > > On 11/16/2017 10:55 AM, Gleb Natapov wrote: > > > > On Thu, Nov 16, 2017 at 10:5

Re: AWS new KVM hypervisor

On Thu, Nov 16, 2017 at 10:59:07AM +0200, Avi Kivity wrote: > On 11/16/2017 10:55 AM, Gleb Natapov wrote: > > On Thu, Nov 16, 2017 at 10:53:52AM +0200, Avi Kivity wrote: > > > On 11/16/2017 10:48 AM, Nadav Har'El wrote: > > > > On Fri, Nov 10, 2017 at 3

Re: AWS new KVM hypervisor

On Thu, Nov 16, 2017 at 10:53:52AM +0200, Avi Kivity wrote: > On 11/16/2017 10:48 AM, Nadav Har'El wrote: > > > > On Fri, Nov 10, 2017 at 3:24 PM, Avi Kivity > > wrote: > > > > OSv will need NVMe and ena drivers. > > > > > > Why is that, have you seen documentatio

Re: Memory limit?

On Tue, Nov 07, 2017 at 10:31:36AM +0200, Nadav Har'El wrote: > > > However, this didn't help initially as the memory wasn't being populated. > > I altered the mmap calls to include MAP_POPULATE to get them filled at > > startup, and now I get this crash. The debug output is from the erlang > > ru

Re: Lazy TLB flushing

On Mon, Sep 19, 2016 at 01:30:15PM +0300, Nadav Har'El wrote: > On Mon, Sep 19, 2016 at 1:11 PM, Gleb Natapov wrote: > > > > So if I understand correctly, both your and Gleb's sentiment is there is > > no > > > need not to make the scheduler mo

Re: Lazy TLB flushing

On Mon, Sep 19, 2016 at 12:30:53PM +0300, Nadav Har'El wrote: > On Mon, Sep 19, 2016 at 11:55 AM, Avi Kivity wrote: > > > > > On 09/19/2016 11:49 AM, Nadav Har'El wrote: > > > > > > On Mon, Sep 19, 2016 at 10:52 AM, Gleb Natapov wrote: > >

Re: Lazy TLB flushing

On Mon, Sep 19, 2016 at 11:49:41AM +0300, Nadav Har'El wrote: > On Mon, Sep 19, 2016 at 10:52 AM, Gleb Natapov wrote: > > > > > > 2. I'm afraid the scheduler thing might only be the tip of the iceberg of > > > problems caused by this lazy TLB thing. Could

Re: Lazy TLB flushing

On Sun, Sep 18, 2016 at 10:37:22PM +0200, Nadav Har'El wrote: > Hi Gleb, I have a couple of questions (CCed to the OSv mailing list) about > your OSv commit 7e38453, maybe you remember something (or be reminded of > something when you look at the commit). > > This commit is apparently causing > ht

Re: OSv page cache

On Sun, Jul 24, 2016 at 12:28:26PM +0200, Benoît Canet wrote: > On Sun, Jul 24, 2016 at 12:20 PM, Nadav Har'El wrote: > > > > > On Sun, Jul 24, 2016 at 1:06 PM, Gleb Natapov wrote: > > > >> > >> > So it appears that unless you're using

Re: OSv page cache

On Sun, Jul 24, 2016 at 12:48:57PM +0300, Nadav Har'El wrote: > On Sun, Jul 24, 2016 at 12:33 PM, Gleb Natapov wrote: > > > On Sun, Jul 24, 2016 at 11:27:02AM +0200, Benoît Canet wrote: > > > ZFS is also used on ubuntu. > > > > > So what? It does not

Re: OSv page cache

ningless. > > Best regards > > Benoît > > On Sun, Jul 24, 2016 at 11:25 AM, Gleb Natapov wrote: > > > On Sun, Jul 24, 2016 at 11:14:49AM +0200, Benoît Canet wrote: > > > Hi, > > > > > > I am working on a slowness bug affecting the EU project.

Re: OSv page cache

On Sun, Jul 24, 2016 at 11:14:49AM +0200, Benoît Canet wrote: > Hi, > > I am working on a slowness bug affecting the EU project. > > In this test HDFS a java application does a write test 7 times slower than > Linux. > > The people doing the test sent me some tcpdump traces and it show that OSv