Re: Ignite Direct I/O plugin description added to wiki

2018-03-25 Thread Dmitriy Setrakyan
>> > >>> 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

Re: Ignite Direct I/O plugin description added to wiki

2018-03-25 Thread Dmitry Pavlov
in (Direct I/O) WAL > >> > manager > >> > >>> applies...". Could you rephrase it to bring more clarity? > >> > >>> > >> > >>> *Raymond,* > >> > >>> > >> > >>> > >>

Re: Ignite Direct I/O plugin description added to wiki

2018-03-23 Thread Denis Magda
> >> > >>> >> > >>> 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

Re: Ignite Direct I/O plugin description added to wiki

2018-03-23 Thread Dmitry Pavlov
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, > > >>

Re: Ignite Direct I/O plugin description added to wiki

2018-03-23 Thread Prachi Garg
, 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:

Re: Ignite Direct I/O plugin description added to wiki

2018-03-22 Thread Dmitry Pavlov
>> >>> -- >>> Denis >>> >>> >>> On Tue, Mar 20, 2018 at 2:29 PM, Raymond Wilson < >>> raymond_wil...@trimble.com> >>> wrote: >>> >>> > Looks good! >>> > >>> > Is there any reason wh

Re: Ignite Direct I/O plugin description added to wiki

2018-03-21 Thread Denis Magda
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

Re: Ignite Direct I/O plugin description added to wiki

2018-03-21 Thread Dmitry Pavlov
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!

Re: Ignite Direct I/O plugin description added to wiki

2018-03-21 Thread Dmitry Pavlov
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

RE: Ignite Direct I/O plugin description added to wiki

2018-03-20 Thread Raymond Wilson
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

Re: Ignite Direct I/O plugin description added to wiki

2018-03-20 Thread Denis Magda
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

RE: Ignite Direct I/O plugin description added to wiki

2018-03-20 Thread Raymond Wilson
<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

Re: Ignite Direct I/O plugin description added to wiki

2018-03-20 Thread Dmitriy Setrakyan
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 >

Ignite Direct I/O plugin description added to wiki

2018-03-20 Thread Dmitry Pavlov
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