>> > >>> For me, it means that WAL always goes through the operating
> system
> > >> I/O
> > >> > >>> calls. Nothing changes for the WAL. However, I'm not sure what
> you
> > >> > meant
> > &g
in (Direct I/O) WAL
> >> > manager
> >> > >>> applies...". Could you rephrase it to bring more clarity?
> >> > >>>
> >> > >>> *Raymond,*
> >> > >>>
> >> > >>>
> >>
>
>> > >>>
>> > >>> If Direct I/O is enabled by default it will bring down the
>> performance
>> > of
>> > >>> read-intensive application because, as Dmitry says, the reads bypass
>> > page
>> > >>> ca
gt; If Direct I/O is enabled by default it will bring down the
> performance
> > of
> > >>> read-intensive application because, as Dmitry says, the reads bypass
> > page
> > >>> cache. So, I would recommend using it for write-intensive workloads
> > and,
> > >>
, for mixed-workloads depending on the reads and writes rate.
> >>>
> >>> --
> >>> Denis
> >>>
> >>>
> >>> On Tue, Mar 20, 2018 at 2:29 PM, Raymond Wilson <
> >>> raymond_wil...@trimble.com>
> >>> wrote:
>>
>>> --
>>> Denis
>>>
>>>
>>> On Tue, Mar 20, 2018 at 2:29 PM, Raymond Wilson <
>>> raymond_wil...@trimble.com>
>>> wrote:
>>>
>>> > Looks good!
>>> >
>>> > Is there any reason wh
t setting if it
>> > gracefully downgrades to non-Direct IO if not supported by the OS?
>> >
>> > Thanks,
>> > Raymond.
>> >
>> > -Original Message-
>> > From: Dmitriy Setrakyan [mailto:dsetrak...@apache.org]
>> > Sent: Wedne
ge-----
> > From: Dmitriy Setrakyan [mailto:dsetrak...@apache.org]
> > Sent: Wednesday, March 21, 2018 10:23 AM
> > To: dev <dev@ignite.apache.org>
> > Subject: Re: Ignite Direct I/O plugin description added to wiki
> >
> > Thanks Dmitry, awesome work!
Sent: Wednesday, March 21, 2018 11:59 AM
> To: dev@ignite.apache.org; Prachi Garg <pg...@gridgain.com>
> Subject: Re: Ignite Direct I/O plugin description added to wiki
>
> *Dmitriy*, thanks. Astonishing job! We'll add a section to the durable
> memory tuning page and ref
To: dev@ignite.apache.org; Prachi Garg <pg...@gridgain.com>
Subject: Re: Ignite Direct I/O plugin description added to wiki
*Dmitriy*, thanks. Astonishing job! We'll add a section to the durable
memory tuning page and refer to the wiki for more details:
https://issues.apache.org/jira/browse/IGNIT
is should not be a default setting if it
> gracefully downgrades to non-Direct IO if not supported by the OS?
>
> Thanks,
> Raymond.
>
> -Original Message-
> From: Dmitriy Setrakyan [mailto:dsetrak...@apache.org]
> Sent: Wednesday, March 21, 2018 10:23 AM
> To: dev &l
<dev@ignite.apache.org>
Subject: Re: Ignite Direct I/O plugin description added to wiki
Thanks Dmitry, awesome work!
On Wed, Mar 21, 2018 at 12:21 AM, Dmitry Pavlov <dpavlov@gmail.com>
wrote:
> Hi Igniters,
>
> I've added description of new plugin for Direct I/O for
Thanks Dmitry, awesome work!
On Wed, Mar 21, 2018 at 12:21 AM, Dmitry Pavlov
wrote:
> Hi Igniters,
>
> I've added description of new plugin for Direct I/O for native persistence
> (
> https://issues.apache.org/jira/browse/IGNITE-6341) to wiki
>
Hi Igniters,
I've added description of new plugin for Direct I/O for native persistence (
https://issues.apache.org/jira/browse/IGNITE-6341) to wiki
https://cwiki.apache.org/confluence/display/IGNITE/Ignite+Persistent+Store+-+under+the+hood#IgnitePersistentStore-underthehood-DirectI/O
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