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From: Sergey Chugunov <sergey.chugunov@gmail.com>
Date: Thu, 20 Apr 2017 13:31:10 +0300
Message-ID: <CAHKVN8i=QnD0Gi74E9mRNiEP6toVAAe0XE-St6cEV09ihhyFcA@mail.gmail.com>
Subject: Re: Page Memory behavior with default memory policy
To: dev@ignite.apache.org
Content-Type: multipart/alternative; boundary=001a114428a21c6e90054d96a62a
archived-at: Thu, 20 Apr 2017 10:31:56 -0000

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yes, we do: IGNITE-5024 <https://issues.apache.org/jira/browse/IGNITE-5024>

On Thu, Apr 20, 2017 at 1:23 PM, Vladimir Ozerov <vozerov@gridgain.com>
wrote:

> Guys,
>
> Do we have a ticket for this change?
>
> On Thu, Apr 20, 2017 at 1:13 PM, Alexey Goncharuk <
> alexey.goncharuk@gmail.com> wrote:
>
> > This actually will affect only nodes started in a single jvm, but I agree
> > that expandable memory provides better user experience. Let's try to
> > squeeze this change to 2.0.
> >
> > 2017-04-20 12:32 GMT+03:00 Sergi Vladykin <sergi.vladykin@gmail.com>:
> >
> > > Guys,
> > >
> > > If we have a default of 80% of available memory then just starting few
> > > nodes on my laptop will make it hang. This idea does not work until we
> > have
> > > a dynamically expandable memory pools.
> > >
> > > Sergi
> > >
> > > 2017-04-19 22:20 GMT+03:00 Dmitriy Setrakyan <dsetrakyan@apache.org>:
> > >
> > > > Sergey,
> > > >
> > > > I have responded in the ticket. Can you please provide the current
> and
> > > the
> > > > proposed configuration examples?
> > > >
> > > > D.
> > > >
> > > > On Wed, Apr 19, 2017 at 2:34 AM, Sergey Chugunov <
> > > > sergey.chugunov@gmail.com>
> > > > wrote:
> > > >
> > > > > Guys,
> > > > >
> > > > > I created a ticket to implement these improvements, please take a
> > look:
> > > > > IGNITE-5024 <https://issues.apache.org/jira/browse/IGNITE-5024>
> > > > >
> > > > > Besides employing the idea of allocation 80% of physical memory I'm
> > > also
> > > > > suggesting to introduce one more configuration property to specify
> > > > default
> > > > > MemoryPolicy's size in bytes without having to use verbose syntax
> of
> > > > > *memoryPolicyConfiguration
> > > > > *section.
> > > > >
> > > > > Any thoughts on this?
> > > > >
> > > > > Thanks,
> > > > > Sergey.
> > > > >
> > > > >
> > > > >
> > > > > On Tue, Apr 18, 2017 at 12:12 PM, Dmitriy Setrakyan <
> > > > dsetrakyan@apache.org
> > > > > >
> > > > > wrote:
> > > > >
> > > > > > On Tue, Apr 18, 2017 at 2:09 AM, Alexey Goncharuk <
> > > > > > alexey.goncharuk@gmail.com> wrote:
> > > > > >
> > > > > > > I don't see why not, this is the way our tests are currently
> > > running.
> > > > > > > Anyways, we can think about efficient dynamic memory expansion
> in
> > > > 2.1,
> > > > > > this
> > > > > > > may be feasible if we free up some space in PageId to encode
> > > segment
> > > > > > > number. There is a ticket for this:
> > > > > > > https://issues.apache.org/jira/browse/IGNITE-4921
> > > > > >
> > > > > >
> > > > > > Alexey, if the operating system is already handling this for us,
> I
> > > > don't
> > > > > > see a reason to do it manually.
> > > > > >
> > > > > > I also like what Denis and Semyon are proposing. However, I would
> > not
> > > > > grab
> > > > > > the full free memory. How about 80% of the free memory?
> > > > > >
> > > > > > D.
> > > > > >
> > > > >
> > > >
> > >
> >
>

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