Hi Igniters, Apache Ignite Entry was added to the projects list by JNA developers.
Now Apache Ignite is mentioned in main Java Native Access Readme.MD ( https://github.com/java-native-access/jna ), and link to Ignite site is also available there. Sincerely, Dmitriy Pavlov сб, 24 мар. 2018 г. в 3:33, Denis Magda <dma...@apache.org>: > Dmitriy, Prachi, > > Thanks to both of you for the development and documentation of the feature. > I've added a reference from readme to Direct I/O section on wiki so that > people can learn even more about the capability. > > -- > Denis > > On Fri, Mar 23, 2018 at 2:34 PM, Dmitry Pavlov <dpavlov....@gmail.com> > wrote: > > > Hi Prachi, > > > > Yes, it's a great description. > > > > I'm impressed by how informative and short you managed to make it. > > > > Thank you! > > > > Sincerely, > > Dmitriy Pavlov > > > > сб, 24 мар. 2018 г. в 0:29, Prachi Garg <pg...@gridgain.com>: > > > >> Dmitriy, > >> > >> I have documented the Direct I/O plugin. Please review [1] and provide > >> comments/feedback in the ticket [2]. > >> > >> [1] > >> https://apacheignite.readme.io/v2.4/docs/durable-memory- > >> tuning#section-enabling-direct-i-o > >> > >> [2] https://issues.apache.org/jira/browse/IGNITE-7466 > >> > >> > >> -Prachi > >> > >> On Wed, Mar 21, 2018 at 11:22 PM, Dmitry Pavlov <dpavlov....@gmail.com> > >> wrote: > >> > >> > Yes, will do. > >> > > >> > чт, 22 мар. 2018 г. в 1:05, Denis Magda <dma...@apache.org>: > >> > > >> > > Dmitriy, > >> > > > >> > > Thanks for updating the WAL section. Now it makes total sense to me. > >> > > > >> > > As for the page with JNA projects, let's get added there! Could you > >> > > contact the owners? > >> > > > >> > > -- > >> > > Denis > >> > > > >> > > > >> > > On Wed, Mar 21, 2018 at 9:27 AM, Dmitry Pavlov < > dpavlov....@gmail.com > >> > > >> > > wrote: > >> > > > >> > >> Denis, > >> > >> > >> > >> one more thing, can/should we mention Ignite Direct IO plugin in > >> list of > >> > >> project using JNA here: https://github.com/java-native-access/jna > >> > >> > >> > >> Sincerely, > >> > >> Dmitriy Pavlov > >> > >> > >> > >> ср, 21 мар. 2018 г. в 1:59, Denis Magda <dma...@apache.org>: > >> > >> > >> > >>> *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/IGNITE-7466 > >> > >>> > >> > >>> Please clarify the following: > >> > >>> > >> > >>> > Direct I/O mode can't be enabled for Write Ahead Log files. > >> However, > >> > >>> when > >> > >>> > working with plugin, WAL manager applies advising Linux systems > do > >> > not > >> > >>> > store the data of the file in page cache as they are not > required. > >> > >>> > >> > >>> > >> > >>> 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 > >> > >>> to > >> > >>> explain by saying "when working with the plugin (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 > >> > >>> cache. So, I would recommend using it for write-intensive > workloads > >> > and, > >> > >>> probably, 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: > >> > >>> > >> > >>> > Looks good! > >> > >>> > > >> > >>> > Is there any reason why this 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 <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 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 > >> > >>> > > > >> > >>> > > > >> > >>> > > SIncerely, > >> > >>> > > Dmitriy Pavlov > >> > >>> > > > >> > >>> > > >> > >>> > >> > >> > >> > > > >> > > >> > > >
