Anton, Does it mean that the PME is skipped only for cases when the native persistence is used and a failed node was in the baseline topology? How about pure in-memory clusters and clusters with CacheStore?
- Denis On Tue, Mar 10, 2020 at 12:40 AM Anton Vinogradov <a...@apache.org> wrote: > Denis, > > >> the blocking PME no longer happens if a node leaves the cluster > We should mention this should be the baseline node > > On Tue, Mar 10, 2020 at 9:40 AM Denis Magda <dma...@apache.org> wrote: > > > Pavel, thank you. I referred to your article from a blog post to be > > published on blogs.apache.org. Please feel free to share feedback before > > it's published. You can use the comment feature of Google Docs: > > > > > https://docs.google.com/document/d/1ssTC1Jf_reqZFWgl4ayhaohiAJCpzdL4tPrHTxvfvAM/edit?usp=sharing > > > > > > @Alexey Zinoviev <zaleslaw....@gmail.com> , @Andrey Gura > > <ag...@apache.org> , @Nikolay Izhikov <nizhi...@apache.org>, @Anton > > Vinogradov <a...@apache.org> could you glance at the paragraphs > mentioning > > the improvements you contributed to the release? I just want to be sure > my > > understanding is correct. > > > > - > > Denis > > > > > > On Mon, Mar 9, 2020 at 3:54 AM Pavel Tupitsyn <ptupit...@apache.org> > > wrote: > > > >> Published: https://ptupitsyn.github.io/Whats-New-In-Ignite-Net-2.8/ > >> > >> On Sat, Mar 7, 2020 at 1:49 AM Pavel Tupitsyn <ptupit...@apache.org> > >> wrote: > >> > >> > Denis, ok, I'll publish on Monday afternoon then (UTC), weekend is not > >> the > >> > best time. > >> > > >> > Thanks, > >> > Pavel > >> > > >> > On Sat, Mar 7, 2020 at 1:25 AM Denis Magda <dma...@apache.org> wrote: > >> > > >> >> Pavel, > >> >> > >> >> Thanks for clarifying the way partition-awareness handles topology > >> >> changes. > >> >> > >> >> Please publish your article as soon as you're ready. I plan to finish > >> mine > >> >> on Monday-Tuesday and will refer to yours. > >> >> > >> >> - > >> >> Denis > >> >> > >> >> > >> >> On Fri, Mar 6, 2020 at 1:36 AM Pavel Tupitsyn <ptupit...@apache.org> > >> >> wrote: > >> >> > >> >> > Denis, thanks for the feedback! > >> >> > When should I publish the post? Right after official release > >> >> announcement, > >> >> > or later? > >> >> > > >> >> > > I would use "thick client" as a term instead of the "classic > >> client" > >> >> > Good point, fixed > >> >> > > >> >> > > partition-awareness doesn't handle topology changes automatically > >> >> > (partition map won't be updated on the client-side) > >> >> > This is not true, we keep the partition map up to date by checking > >> >> > AffinityTopologyVersion [1] > >> >> > > >> >> > > Now I can run Ignite.NET easily on my Mac OS machine > >> >> > Just to clarify, you can do that since 2.4 release [2]. > >> >> > In 2.8 we have refined build-related things (jar file handling), > and > >> >> made > >> >> > sure that recent .NET versions are supported. > >> >> > > >> >> > [1] > >> >> > > >> >> > > >> >> > >> > https://cwiki.apache.org/confluence/display/IGNITE/IEP-23%3A+Best+Effort+Affinity+for+thin+clients > >> >> > [2] https://habr.com/ru/company/gridgain/blog/347374/ (in Russian) > >> >> > > >> >> > On Fri, Mar 6, 2020 at 2:40 AM Denis Magda <dma...@apache.org> > >> wrote: > >> >> > > >> >> > > Pavel, thanks, > >> >> > > > >> >> > > I enjoyed reading the blog, crystal clear and straight to the > >> point! > >> >> > Please > >> >> > > consider these several items that might strengthen the article a > >> bit: > >> >> > > > >> >> > > - I would use "thick client" as a term instead of the "classic > >> >> client" > >> >> > > (and mention that Ignite.NET client is a thick one). The thick > >> >> client > >> >> > is > >> >> > > already a coined term that based on my observations are used a > >> lot > >> >> by > >> >> > > dev > >> >> > > and user communities. Also, you might add some differences of > >> thick > >> >> > vs. > >> >> > > thin taking from this page - > >> >> > > > >> >> > > > >> >> > > >> >> > >> > https://www.gridgain.com/docs/latest/installation-guide/deployment-modes#thick-vs-thin-clients > >> >> > > - Should we mention that presently partition-awareness doesn't > >> >> handle > >> >> > > topology changes automatically (partition map won't be updated > >> on > >> >> the > >> >> > > client-side)? This might be a blocker for some users. > >> >> > > - Excited to read about the cross-platform support, that's > huge! > >> >> Now I > >> >> > > can run Ignite.NET easily on my Mac OS machine. I would > insert a > >> >> > > reference > >> >> > > to updated documentation pages that explain how to start with > >> >> > > Ignite.NET on > >> >> > > various platforms. > >> >> > > > >> >> > > Hope, you will find this helpful, thanks for helping with project > >> >> > > promotion! > >> >> > > > >> >> > > - > >> >> > > Denis > >> >> > > > >> >> > > > >> >> > > On Thu, Mar 5, 2020 at 7:32 AM Pavel Tupitsyn < > >> ptupit...@apache.org> > >> >> > > wrote: > >> >> > > > >> >> > > > Denis, > >> >> > > > > >> >> > > > The first post is going to be ready soon, probably by tomorrow. > >> >> > > > Here is a draft, feedback welcome: > >> >> > > > > >> >> > > > > >> >> > > > >> >> > > >> >> > >> > https://github.com/ptupitsyn/ptupitsyn.github.io/blob/ignite-2.8/_posts/2020-03-05-Whats-New-In-Ignite-Net-2.8.md > >> >> > > > > >> >> > > > On Wed, Mar 4, 2020 at 5:15 PM Denis Magda <dma...@apache.org> > >> >> wrote: > >> >> > > > > >> >> > > > > Hi Pavel, > >> >> > > > > > >> >> > > > > Excellent! It will be good to publish the first article > (what's > >> >> new > >> >> > in > >> >> > > > > Ignite.NET 2.8) prior to a generic blog on blogs.apache.org > so > >> >> that > >> >> > we > >> >> > > > can > >> >> > > > > link your post in for those who are looking for more details. > >> Do > >> >> you > >> >> > > have > >> >> > > > > any timeline in mind for this article? > >> >> > > > > > >> >> > > > > @Alexey Zinoviev <zaleslaw....@gmail.com>, how about you > >> >> preparing > >> >> > > > several > >> >> > > > > paragraphs for the blog highlighting the biggest changes in > ML? > >> >> The > >> >> > > same > >> >> > > > > highlighted content will be elaborated during the webinar. > >> >> > > > > > >> >> > > > > - > >> >> > > > > Denis > >> >> > > > > > >> >> > > > > > >> >> > > > > On Wed, Mar 4, 2020 at 2:29 AM Pavel Tupitsyn < > >> >> ptupit...@apache.org> > >> >> > > > > wrote: > >> >> > > > > > >> >> > > > > > Denis, I have a few blog posts on Ignite.NET planned: > >> >> > > > > > > >> >> > > > > > * What's new in Ignite.NET 2.8 (Thin Client Partition > >> Awareness, > >> >> > > > logging, > >> >> > > > > > expiry policy, cluster API, .NET Core 3.x, Dockerfile) > >> >> > > > > > * Ignite.NET performance improvements on .NET Core 3.x > >> >> > > > > > * Ignite.NET Partition Awareness performance > >> >> > > > > > * Fixing JNI thread leak in Ignite.NET > >> >> > > > > > > >> >> > > > > > What do you think? Should we have a schedule of some sorts? > >> >> > > > > > > >> >> > > > > > On Tue, Mar 3, 2020 at 9:58 PM Alexey Zinoviev < > >> >> > > zaleslaw....@gmail.com > >> >> > > > > > >> >> > > > > > wrote: > >> >> > > > > > > >> >> > > > > > > Sounds ineresting, will help with the post, please share > >> the > >> >> > > > template, > >> >> > > > > > not > >> >> > > > > > > sure about webinar > >> >> > > > > > > > >> >> > > > > > > вт, 3 мар. 2020 г., 20:59 Denis Magda <dma...@apache.org > >: > >> >> > > > > > > > >> >> > > > > > > > Igniters, > >> >> > > > > > > > > >> >> > > > > > > > Let's discuss approaches for a global > >> >> announcement/promotion of > >> >> > > the > >> >> > > > > > > > release. I would suggest focusing on a blog post and a > >> >> > community > >> >> > > > > > webinar. > >> >> > > > > > > > > >> >> > > > > > > > The blog post will introduce significant improvements > >> >> (service > >> >> > > > grid, > >> >> > > > > > thin > >> >> > > > > > > > clients, new metrics system, ML, etc.) sharing > >> references to > >> >> > > > > > > documentation > >> >> > > > > > > > pages with more details. It will be published on > >> >> > > blogs.apache.org > >> >> > > > > in > >> >> > > > > > a > >> >> > > > > > > > format similar to this one - > >> >> > > > > > > > > >> >> https://blogs.apache.org/ignite/entry/apache-ignite-2-7-deep. > >> >> > I > >> >> > > > can > >> >> > > > > > work > >> >> > > > > > > > on > >> >> > > > > > > > it unless anybody else is willing to share the news on > >> >> behalf > >> >> > of > >> >> > > > the > >> >> > > > > > > > community. > >> >> > > > > > > > > >> >> > > > > > > > Next, the blog post will be featuring a community > webinar > >> >> that > >> >> > is > >> >> > > > > > > breaking > >> >> > > > > > > > down a subset of the improvements in more detail. > Please > >> >> see an > >> >> > > > > > abstract > >> >> > > > > > > > below with suggested topics for a detailed overview. > >> @Alexey > >> >> > > > Zinoviev > >> >> > > > > > > > <zaleslaw....@gmail.com>, would you be able to present > >> the > >> >> ML > >> >> > > > part? > >> >> > > > > > > > @Nikolay > >> >> > > > > > > > Izhikov <nizhi...@apache.org> or @Andrey Gura < > >> >> > > ag...@gridgain.com> > >> >> > > > > > would > >> >> > > > > > > > you like to take over the metrics section? I'll work > the > >> >> > > attendees > >> >> > > > > > > through > >> >> > > > > > > > the items listed in "Sustainable production under high > >> >> load". > >> >> > We > >> >> > > > > should > >> >> > > > > > > > target the webinar for the April timeframe. > >> >> > > > > > > > > >> >> > > > > > > > > >> >> > > > > > > > > >> >> > > > > > > > *Topmost changes in Apache Ignite 2.8 for production > >> >> > maintenance > >> >> > > > and > >> >> > > > > > > > machine learning* > >> >> > > > > > > > > >> >> > > > > > > > > >> >> > > > > > > > *Apache Ignite community rolled out more than 1900 > >> changes > >> >> in > >> >> > > > Ignite > >> >> > > > > > 2.8 > >> >> > > > > > > > that enhanced almost all the components of the > platform. > >> The > >> >> > > > release > >> >> > > > > > > notes > >> >> > > > > > > > go with hundreds of lines trying to catalog the > >> >> improvements. > >> >> > > Join > >> >> > > > > this > >> >> > > > > > > > webinar led by Ignite community members demonstrating > and > >> >> > > > dissecting > >> >> > > > > > new > >> >> > > > > > > > capabilities related to production maintenance, > >> monitoring, > >> >> and > >> >> > > > > machine > >> >> > > > > > > > learning that you do not want to lose sight of:* > >> >> > > > > > > > > >> >> > > > > > > > - *Sustainable production under high load: Ignite > >> >> > persistence > >> >> > > > > > > compaction > >> >> > > > > > > > and consistent crash recovery, baseline topology > >> >> > > > auto-adjustment, > >> >> > > > > no > >> >> > > > > > > > interruption of operations for some cluster topology > >> >> change > >> >> > > > > events.* > >> >> > > > > > > > - *Next-generation system for monitoring and code > >> >> tracing: > >> >> > > > design > >> >> > > > > > and > >> >> > > > > > > > usage, exporters configuration (JMX, SQL, > OpenCensus) > >> * > >> >> > > > > > > > - *Ignite Machine Learning major upgrade: a revised > >> >> approach > >> >> > > for > >> >> > > > > > > models > >> >> > > > > > > > training/evaluation, models importing from Spark ML, > >> >> XGBoost > >> >> > > and > >> >> > > > > > much > >> >> > > > > > > > more > >> >> > > > > > > > * > >> >> > > > > > > > > >> >> > > > > > > > > >> >> > > > > > > > - > >> >> > > > > > > > Denis > >> >> > > > > > > > > >> >> > > > > > > > >> >> > > > > > > >> >> > > > > > >> >> > > > > >> >> > > > >> >> > > >> >> > >> > > >> > > >
