"When you should not use Apache Ignite", 8 Sept, Online

else. Join the Apache Ignite Virtual meetup on September 8th, join to get the zoom link and chat after the talk. https://www.meetup.com/Apache-Ignite-Virtual-Meetup/events/272551117/ Hope to see you soon. Have an awesome week, Dmitriy Pavlov

Re: Offheap memory consumption + enabled persistence

Mikle, A pure data is a size of(keyByte+ValueBytes), as I can see you have Key=int and Value=String(1024) 4+1024 bytes this is your pure data size which will be stored in the cache (of course Ignite has overhead for save data ~45 bytes ) In internal Ignite has a structure named "FreeList" for

Re: Offheap memory consumption + enabled persistence

Hi Mikle, Could you please check what happening with files, they too grow as a metric? You need to check the size of files in {IGNITE_HOME}/work/db/cache-{cacheName}/* during random key upload and clean up. Also, calculate data size on each iteration and print to log. My assumption in that we

Re: Launched Ignite meetups and redesigned events pages

/foundation/marks/events - The ASF events branding policy). Moreover, not-yet-PMC volunteers, who would help with talks preparation are also welcomed. I strongly believe we should not be too formal here. Sincerely, Dmitriy Pavlov чт, 9 янв. 2020 г. в 23:47, Denis Magda : > Dmitry, > &

Re: Launched Ignite meetups and redesigned events pages

://docs.google.com/forms/d/e/1FAIpQLSdiY7movHKvyWg3gOVedHgukJJnNiaejSO_X838vBseL9VmiQ/viewform . Sincerely, Dmitriy Pavlov вт, 7 янв. 2020 г. в 02:48, Denis Magda : > Igniters, > > I've just merged changes contributed by Mauricio and Ignacio, who helped > us to prepare professio

Launch of the 2020 ASF Community Survey

Hello Ignite Users, Enthusiasts and Contributors, If you have an apache.org email, you should have received an email with an invitation to take the 2020 ASF Community Survey. Please take 15 minutes to complete it. If you do not have an apache.org email address or you didn’t receive a link,

Re: Application for Ignite Contributor

Hi Deepak, No problem, since both options are understandable :) I am happy to hear from you about good results you've got in this PoC. Have you written a blog or article on this subject? I would be happy to repost it. Warm regards, Dmitriy Pavlov чт, 26 сент. 2019 г. в 12:59, Deepak Nigam

Re: Application for Ignite Contributor

you know about static code inspections Apache OFBiz was set up recently. Was it successful? Sincerely, Dmitriy Pavlov ср, 25 сент. 2019 г. в 22:49, Denis Magda : > Hi Deepak and welcome! > > Sorry for the late response. You sent this message to the user list, > forwarded it to the dev

Re: NegativeArraySizeException on cluster rebalance

Hi Ibrahim, Looks like Btree corrupted problem, I guess it was fixed in https://issues.apache.org/jira/browse/IGNITE-11953 The fix you can find in 9c323149db1cee0ff6586389def059a85428b116 org/apache/ignite/internal/processors/cache/IgniteCacheOffheapManagerImpl.java:1631 Thank you! On Wed, Jul

[ANNOUNCE] Apache Ignite 2.7.5 Released

introduces Java 11 support and fixes some critical issues https://ignite.apache.org/releases/2.7.5/release_notes.html Download the latest Ignite version from here: https://ignite.apache.org/download.cgi Please let us know [2] if you encounter any problems. Regards, Dmitriy Pavlov on behalf

Re: FW: class loading, peer class loading, jars, fun times in ignite

Hi Scott, actually, users are encouraged to suggest edits to the documentation. Let me share https://cwiki.apache.org/confluence/display/IGNITE/How+to+Document#HowtoDocument-Basics page. You may sign up into readme.io and suggest edits. Sincerely, Dmitriy Pavlov ср, 29 мая 2019 г. в 15:54

Re: Ignite 2.7.5

. Sincerely, Dmitriy Pavlov пт, 10 мая 2019 г. в 09:48, Nikolay Izhikov : > Hello, Dmitriy. > > Can you, please, help up with the dates? > > В Чт, 02/05/2019 в 08:21 -0700, Loredana Radulescu Ivanoff пишет: > > Hello, > > > > Would you happen to have any

Re: How to shut down Ignite properly

to finish. In that case, further calls have no effect. In any case, this warning says that it may require a longer time to restore memory during start-up, but not something that is dangerous for data. Sincerely, Dmitriy Pavlov вт, 23 апр. 2019 г. в 22:58, Jorg Janke : > We try to shut down Ign

Re: Support User defined aggregate function ?

I see that Tâm Nguyễn Mạnh already asked it on a dev. and nobody stood up as a volunteer. So, for now, it is the only option to prepare PR. Sincerely, Dmitriy Pavlov чт, 28 мар. 2019 г. в 11:14, zaleslaw : > Currently, they are not supported, but you could ask about it on dev-list > and &

Re: Blog post "Introduction to the Apache(R) Ignite™ community structure"

Hi Ilya, Thank you for the idea. Yes, probably I will re-post older blog on habr/en, but, anyway, we've finished a new one: https://habr.com/ru/company/sberbank/blog/444264/ it is now in Russian, but I hope someday I will translate it to English and post it there. Sincerely, Dmitriy Pavlov ср

Re: Blog post "Introduction to the Apache(R) Ignite™ community structure"

Sorry for the late reply. Contributors are not ranked so weight is not measured. The community always prefer to build consensus. If consensus is not reached (this happens time-to-time), then feature or change should not appear in the product. By the way, Apache PMCs may veto changes with a

Re: Licencing cost

Hi, Apache Ignite is always free for users without dependence on cores count or size of the cluster. Apache Ignite it is developed and supported by Apache Ignite Community, including users providing patches, enthusiasts and other individuals. Sincerely, Dmitriy Pavlov чт, 21 мар. 2019 г., 14:02

Re: JDK 11 support.

performance. So in this scenario (if community accept it), Ignite will recommend to set it up but will be (much) slower without it. There are a number of open discussions at dev@ related to Java 11, modularity support. So AFAIK there are no exact plans. Sincerely, Dmitriy Pavlov вт, 12 мар. 2019

Re: Native memory tracking of an Ignite Java 1.8 Application

and would like to discuss a proposal, please use dev list. Sincerely, Dmitriy Pavlov пн, 18 февр. 2019 г. в 16:00, Prasad Bhalerao : > Hi, > > I have set the off heap size to 500 MB and max heap size to 512 MB. > > My process is taking around 1.7 GB on Windows 10 as per the task manager.

Re: ignite git repo

This link work for me, https://gitbox.apache.org/repos/asf/ignite чт, 17 янв. 2019 г., 20:03 Scott Cote sc...@etcc.com: > Petr, > > > > Thank you for your quick reply. > > > > git clone https://gitbox.apache.org/repos/ignite.git > > > > 404 on that one …. > > > > “[image: git]

Re: ignite-cassandra-store module has incorrect dependencies

. Sincerely, Dmitriy Pavlov ср, 2 янв. 2019 г. в 13:56, Serg : > Hi All > > I got exceptions in ignite after update to 2.7.0 > > 2019-01-02 10:09:52,824 ERROR [cassandra-cache-loader-#101] > log4j.Log4JLogger (Log4JLogger.java:586) - Failed to execute Cassandra > loadCo

[ANNOUNCE] Apache Ignite 2.7.0 Vulnerable Dependecies Updates

to Apache Ignite 2.7 or later version Credit: Segu Riluvan discovered the usage of vulnerable modules in dependencies of Apache Ignite. Thanks for everyone who was involved into dependencies migration. Best Regards, Dmitriy Pavlov on behalf of Apache Ignite community

Re: Does ignite provide a Comparator for Sort?

Yes, instead of utilizing custom comparators, just use "order by" clause in your SQL query. D. On Thu, Nov 1, 2018 at 12:43 AM Mikael wrote: > Hi! > > I don't think so but can't you use an index and an SQL query instead ? > > Mikael > > Den 2018-11-01 kl. 06:33, skrev Ignite Enthusiast: > > I

Blog post "Introduction to the Apache(R) Ignite™ community structure"

st. Thanks to Tom D. for translation of original post. There I explain the roles, rules, and benefits of participating in the Apache Ignite community. As always, comments and feedback are strongly appreciated. Sincerely, Dmitriy Pavlov

Re: WAL iteration exceptions

Hi, It is totally ok if some WAL segment causes such exception in case of the end of a file was reached. Messages may disappear because some newer version has special records showing the end of a segment, so WAL reader almost always knows that the end of file reached. Sincerely, Dmitriy Pavlov

Re: Clarifying aspects of write ahead logs

, and no additional checkpoints will be forced. Sincerely, Dmitriy Pavlov ср, 3 окт. 2018 г. в 23:49, Raymond Wilson : > HI Dmitriy, > > > > Thanks for clarifying. > > > > If archiving is turned off, what happens when all the WAL segments are > filled before a checkpoint

Re: Clarifying aspects of write ahead logs

file systems. If we archive one WAL segment (asynchronously) we can later reuse this segment file in the work directory for a new segment records. The file is now preallocated, there will be no performance penalty for step by step increasing of its volume. Sincerely, Dmitriy Pavlov You can find

Re: Java 11 and the future of Apache Ignite

Hi, I agree with Ilya, Java 11 is currently under active discussions on dev.list. You can look at archives using https://lists.apache.org/list.html?d...@ignite.apache.org I can see a number of tickets, which created for support/test features of the newest Java. Sincerely, Dmitriy Pavlov чт, 27

Re: Too Many open files (native persistence bin files)

Hi, Is it reproduced if you remove direct io from class path? Sincerely Dmitry Pavlov вт, 18 сент. 2018 г., 16:01 Evgenii Zhuravlev : > Hi, > > How many caches do you have? > > Evgenii > > вт, 18 сент. 2018 г. в 15:38, kvenkatramtreddy >: > >> one correction: lsof showing the information for

Re: POJO field having wrapper type, mapped to cassandra table are getting initialized to respective default value of primitive type instead of null if column value is null.

Hi Igniters, I can see that ticket is still in patch available state. Denis M. could you please review the patch? Sincerely, Dmitriy Pavlov вт, 26 сент. 2017 г. в 12:10, Denis Mekhanikov : > There is a page in confluence with description of the process: > https://cwiki.apache.org/conf

Re: Apache Ignite Hackathon: Open Source contribution is simple

and a few practical steps in the world of open source and Apache. I will start some additional communication in Russian. I would strongly appreciate any additional ideas and replies from committers, which potentially can participate locally or remotely. With best regards, Dmitriy Pavlov сб, 25 авг

Apache Ignite Hackathon: Open Source contribution is simple

. Sincerely, Dmitriy Pavlov

Re: How much heap to allocate

application scenario. Sincerely, Dmitriy Pavlov ср, 22 авг. 2018 г. в 21:30, eugene miretsky : > Hi, > > I am getting the following warning when starting Ignite - " > > Nodes started on local machine require more than 20% of physical RAM what > can lead to significant s

RE: Performance degradation in embed mode

Hello! It’s incredible! Thank you for help! Dmitriy From: Ilya Kasnacheev [mailto:ilya.kasnach...@gmail.com] Sent: Tuesday, August 14, 2018 6:02 PM To: user@ignite.apache.org Subject: Re: Performance degradation in embed mode Hello! It looks like you have debug enabled when running inside

Re: Ignite SQL Queries not getting all data back in ignite 2.4 and 2.6

I also want to point out that Ignite has nightly builds, so you can try them instead of doing your own build as well. https://ignite.apache.org/download.cgi#nightly-builds D. On Thu, Aug 16, 2018 at 1:38 AM, Vladimir Ozerov wrote: > Hi, > > There were a lot of changes in the product since 2.3

Re: Ignite running on JDK10?

I believe JDK9 is supported, but you need to add certain JVM parameters. Vladimir, can you comment? D. On Fri, Aug 10, 2018, 07:31 KJQ wrote: > As a note, I downgraded all of the Docker containers to use JDK 9 (9.0.4) > and > I still get the same problem running the SpringBoot 2 application.

Re: Performance degradation in embed mode

ers.70518.x6.nabble.com/file/t1980/threaddump_after.txt> wbr, Dmitriy -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

Performance degradation in embed mode

ot;Start putAll."); cache.putAll(map); LOGGER.info("End putAll."); } 11:28:23.456 [RMI TCP Connection(2)-127.0.0.1] TX[] INFO c.p.o.b.d.a.s.t.i.i.PutAllTest - Start putAll. 11:33:23.881 [RMI TCP Connection(2)-127.0.0.1] TX[] INFO c.p.o.b.d.a.s.t.i.i.PutAllTest - End putAll. Dmitri

Re: Toad Connection to Ignite

Is it not possible to use TOAD with standard Ignite JDBC driver? I am not sure if there should be any issues. On Thu, Aug 2, 2018 at 9:42 AM, ApacheUser wrote: > Thanks Alex, > > We have large pool of developers who uses TOAD, just thought of making TOAD > connect to Ignite to have similar

Re: The Apache Ignite Book

Thanks, Shamim. I will give it a read. On Wed, Aug 1, 2018 at 12:26 AM, srecon wrote: > Dear, Users. > Yesterday the first portion of our new title The Apache Ignite Book had > been published and available at https://leanpub.com/ignitebook . The full > table of contents and the sample chapter

Re: Delete/remove cache does not free the memory in PCF server

In the current implementation, Ignite does not support deallocate memory. Maybe you can try to use ignite with persistence and reduce in-memory region size? Please explain your use case in more details and provide Ignite and cache configurations. On Mon, Jul 30, 2018 at 8:29 PM okiesong wrote:

Re: Distributed closure and cache.

HI, Yes, you can. Try to do something like this ignite.compute().call(() -> { // Get local ignite instance (local in compute task). Ignite remoteIg = Ignition.localIgnite(); IgniteCache cache = remoteIg.cache("cacheName"); Object val = cache.get("someKey"); return "result"; }); or use

Re: Delete/remove cache does not free the memory in PCF server

Ignite does not deallocate memory in a region after all caches are stopped. It is the default behavior. In future, you may create new caches in this regions without necessary allocate memory. Could you please explain your case in more details? On Fri, Jul 27, 2018 at 4:10 PM okiesong wrote: >

Re: IgniteMessaging, What am I doing wrong?

No, a new client will not receive these messages because they were sent on previous topology version. (topology version changing after join/left any node) The messages will be sent only to current client nodes. On Fri, Jul 27, 2018 at 2:07 PM monstereo wrote: > thanks, > When I want to send

Re: Delete/remove cache does not free the memory in PCF server

Hi, Do you use the in-memory region for these caches or region with persistence? What is your ignite version? On Fri, Jul 27, 2018 at 12:17 AM okiesong wrote: > Hi, this is basically the command that I am using to clear and destroy the > cache from the server that is deployed on the PCF server.

Re: IgniteMessaging, What am I doing wrong?

Hi, Are you sure that server sends a message only after a client is joined to topology? Please, check that ClusterGroup clientNodes is not empty before sending a message to the topic. On Fri, Jul 27, 2018 at 8:27 AM monstereo wrote: > I want to send message to client nodes from server nodes,

Re: Node stopped automatically

Hi, kvenkatramtreddy! Could you please provide a full log, not only stack trace with an exception? On Sat, Jun 30, 2018 at 3:24 PM kvenkatramtreddy wrote: > Hi, > > Node stopped automatically after 48 hours uptime. Please find the logs > below. > > I got 2 hosts and 3 Ignite nodes > > > Host

Re: Cache not rebalanced after one node is restarted

The Ignite 2.5 was released and can be downloaded from the Ignite website: https://ignite.apache.org/download.html D. On Wed, May 30, 2018 at 6:34 AM, Stanislav Lukyanov wrote: > Most likely you've run into this bug: > https://issues.apache.org/jira/browse/IGNITE-8210 > > It was fixed in 2.5,

Re: Large durable caches

The Ignite 2.5 has been released and can be downloaded from the Ignite website: https://ignite.apache.org/download.html D. On Wed, May 30, 2018 at 6:33 AM, Alexey Goncharuk < alexey.goncha...@gmail.com> wrote: > Ray, > > Which Ignite version are you running on. You may be affected by [1] which

Re: put vs putAll

Prasad, PutAll more effective in many cases, because transaction obtains locks for keysSet in the batch. Each put will be produced a call for obtain lock for the appropriate key, in general, it more slowly. On Mon, May 14, 2018 at 4:47 PM, Prasad Bhalerao < prasadbhalerao1...@gmail.com> wrote:

Re: Fanout related query

On Tue, Mar 27, 2018 at 10:53 PM, Deepesh Malviya wrote: I notice that affinity solution is still going to update millions of items > but the updates are local instead of cluster-wide. Please let me know if my > interpretation is wrong. > Yes. > I see Ignite also support

Re: Re:Re: Re:Issue about ignite-sql limit of table quantity

Hi Fvyaba, In order to avoid memory overhead per table, you should create all tables as part of the same cache group: https://apacheignite.readme.io/docs/cache-groups D. On Mon, Mar 26, 2018 at 7:26 AM, aealexsandrov wrote: > Hi Fvyaba, > > I investigated your

Re: Build a cluster with auth

Hi, Ignite is adding basic authentication capability for thin clients in the upcoming 2.5 release - you will be able to provide user name and password to connect to the cluster: https://issues.apache.org/jira/browse/IGNITE-7436 You may already try it in the nightly builds:

Re: Apache Ignite nightly release builds

Thanks, Denis. It should be added to the download page, I updated the ticket. On Sat, Mar 24, 2018 at 5:48 AM, Denis Magda <dma...@apache.org> wrote: > Created a JIRA ticket for that: > https://issues.apache.org/jira/browse/IGNITE-8040 > > -- > Denis > > On Fri, Mar 2

Re: Apache Ignite nightly release builds

Awesome! Finally instead of asking our users to build from the master, we can provide a link to the nightly build instead. Denis, can you please add these links to the website? D. On Thu, Mar 22, 2018 at 1:27 PM, Petr Ivanov wrote: > It works, thanks! > > > Here is

Re: Apache Ignite nightly release builds

if > link still is not available. > > Sincerely, > Dmitriy Pavlov > > ср, 21 мар. 2018 г. в 22:34, Raymond Wilson <raymond_wil...@trimble.com>: > >> The link to build artifacts requires a Team City login. Is there a public >> access location? >> >&g

Re: AffinityKey Configuration in order to achieve multiple joins across caches

On Thu, Mar 15, 2018 at 9:51 PM, StartCoding wrote: > Hi Mike, > > Thanks for your quick response. > > I am afraid denormalizing will work for me because I have just given a > simple example. There are 16 tables which in that case needs to be joined > into single entity.

Re: Affinity Key column to be always part of the Primary Key

On Tue, Mar 20, 2018 at 2:09 PM, Vladimir Ozerov wrote: > Internally Ignite is key-value storage. It use key to derive partition it > belongs to. By default the whole key is used. Alternatively you can use > @AffinityKey annotation in cache API or "affinityKey" option in

Re: Azul Zing JVM with Apache Ignite

The main advantage of Azul is support of large on-heap memory space without garbage collection pauses. In case of Ignite, the primary storage is off-heap, so garbage collection should not be an issue regardless. However, if you still need to use Azul JVM, I would give it a shot. The only

Fwd: Large durable caches

Hi Lawernce, I believe Alexey Goncharuk was working on improving this scenario. Alexey, can you provide some of your findings here? D. -- Forwarded message -- From: lawrencefinn Date: Mon, Mar 5, 2018 at 1:54 PM Subject: Re: Large durable caches To:

Re: Business Intelligence connection to Ignite

Hi Steve, The integration with Tableau was tested and verified: https://apacheignite-sql.readme.io/docs/tableau D. On Mon, Mar 5, 2018 at 12:48 AM, steve.hostettler < steve.hostett...@gmail.com> wrote: > Hello, > > is there any best practice/recommendation on how to connect 3rd business >

Re: SSD writes get slower and slower

I also think that switching to LOG_ONLY mode should be good enough. On Mon, Feb 26, 2018 at 6:58 AM, dmitriy.govorukhin < dmitriy.govoruk...@gmail.com> wrote: > Hi, > > I guess the problem in "setSwapPath(...)", it is not the path for > persistence. > > Try to do something like this: > >

Re: Using 3rd party DB together with native persistence (WAS: GettingInvalid state exception when Persistance is enabled.)

To my knowledge, the 2.4 release should have support for both persistence mechanisms, native and 3rd party, working together. The release is out for a vote already: http://apache-ignite-developers.2346864.n4.nabble.com/VOTE-Apache-Ignite-2-4-0-RC1-td27687.html D. On Mon, Feb 26, 2018 at 2:43 AM,

Re: Ignite 2.4 status

Paolo, the release is out for a vote: http://apache-ignite-developers.2346864.n4.nabble. com/VOTE-Apache-Ignite-2-4-0-RC1-td27687.html D. On Tue, Feb 20, 2018 at 11:55 AM, Paolo Di Tommaso < paolo.ditomm...@gmail.com> wrote: > Hi folks, > > I was wondering what's the status of Ignite 2.4. Is

Re: And again... Failed to get page IO instance (page content is corrupted)

Hi Sergey, The 2.4 release is about to be voted for. You can use the RC1 in the mean time: http://apache-ignite-developers.2346864.n4.nabble.com/VOTE-Apache-Ignite-2-4-0-RC1-td27687.html D. On Mon, Feb 19, 2018 at 6:43 AM, Mikhail wrote: > Hi Sergey, > > The

Ignite Streamer usage in UriDeploymentSpi

Hi. I use UriDeploymentSpi to deploy users code and ComputeTasks. Simple ComputeTasks work well, but in ComputeTask with IgniteStreamer I have ClassNotFoundException. There is users transformations code in application which should be applied to data on each node. So I put transform execution

Re: slow query performance against berkley db

Hi Rajesh, Please allow the community some time to test your code. As far as testing single node vs. distributed, when you have more than one node, Ignite will split your data set evenly across multiple nodes. This means that when running the query, it will be executed on each node on smaller

Re: Subscribe

On Fri, Feb 2, 2018 at 2:59 PM, Luqman Ahmad wrote: > Please subscribe me. > If your message has been delivered to the user@ list, you must be already subscribed. D.

Re: Issues with sub query IN clause

Rajesh, can you please show your query here together with execution plan? D. On Thu, Feb 1, 2018 at 8:36 AM, Rajesh Kishore wrote: > Hi Andrey > Thanks for your response. > I am using native ignite persistence, saving data locally and as of now I > don't have

Re: Upcoming Apache Ignite events this month

Great to see such a busy schedule! Ignite community is unstoppable :) D. On Thu, Feb 1, 2018 at 3:19 PM, Tom Diederich wrote: > Igniters, > > The following is a list of upcoming events in February. To view this list > from the Ignite events page, click here >

Re: How to make full use of network bandwidth?

Hi Michael, were you able to apply the suggestions. It would be nice if you would share your results with the community. D. On Mon, Jan 8, 2018 at 6:42 PM, Michael Jay <841519...@qq.com> wrote: > Thank you, Alexey. I'll try you advice and let you know the result later. > Thanks again. > > > >

ZooKeeper Based Discovery

Hi, 1. What should be in the ZooKeeper node? 2. Will DiscoverySpi watches the ZooKeeper node for changes? Thanks, Dmitriy

Re: Group By Query is slow : Apache Ignite 2.3.0

Hi, Were you able to resolve the issue? If yes, it would be nice to share it with the community. D. On Thu, Dec 21, 2017 at 12:49 AM, dkarachentsev wrote: > Hi Indranil, > > These measurements are not fully correct, for example select count(*) might > use only

Re: Data load is very slow in ignite 2.3 compare to ignite 1.9

Hi Tejas, Were you able to resolve your issue? If yes, it would be nice to share it with the community. D. On Wed, Dec 20, 2017 at 11:09 PM, Denis Magda wrote: > Why are you giving only 5GB of RAM to every node then (referring to your > data region configuration)? You

Re: Can Ignite native persistence used with 3rd party persistence?

Cross-sending to dev@. Alexey, This issue is marked to be fixed for 2.4 which is planned to be released in a couple of weeks. Do you think you will be able to close this issue before the release? D. On Mon, Dec 18, 2017 at 9:51 AM, Alexey Goncharuk < alexey.goncha...@gmail.com> wrote: >

Fwd: How to speedup activation on a node with persistence

Hi Kamil, Have you been able to resolve your issue? If yes, it would be great if you could share it with the community. Thanks, D. -- Forwarded message -- From: mcherkasov Date: Mon, Dec 18, 2017 at 9:27 AM Subject: Re: How to speedup activation on a

Re: Transaction operations using the Ignite Thin Client Protocol

Hi, Is there a reason why you do not want to use the C++ client that comes with Ignite? https://apacheignite-cpp.readme.io/docs/transactions D. On Mon, Jan 8, 2018 at 2:12 AM, kotamrajuyashasvi < kotamrajuyasha...@gmail.com> wrote: > Hi > > I would like to perform Ignite Transaction

Re: Index not getting created

Hi Naveen, Affinity mapping is a critical portion of Ignite data distribution and cannot be changed. For more information, please refer to this documentation: https://apacheignite.readme.io/docs/affinity-collocation D. On Wed, Dec 6, 2017 at 9:20 PM, Naveen wrote: >

Ignite cluster configure (2.3.0)

or servers "A" at the same time. What is the best practice? 2. Can I have persistent and nonpersistent caches on one node? Thanks Dmitriy

Re: Question on On-Heap Caching

Naresh, several questions: 1. How are you accessing data, with SQL or key-value APIs? 2. Are you accessing data locally on the server or remotely from a client? If remotely, then you might want to enable near caching. D. On Thu, Nov 9, 2017 at 3:01 PM, naresh.goty

Re: Ignite-cassandra module issue

Hi Michael, do you have any update for the issue? On Thu, Nov 2, 2017 at 5:14 PM, Michael Cherkasov < michael.cherka...@gmail.com> wrote: > Hi Tobias, > > Thank you for explaining how to reproduce it, I'll try your instruction. I > spend several days trying to reproduce the issue, > but I

Re: Ignite 2.0.0 GridUnsafe unmonitor

Denis, We should definitely print out a thorough warning if HashMap is passed into a bulk method (instead of SortedMap). However, we should make sure that we only print that warning once and not ever time the API is called. Can you please file a ticket for 2.4? D. On Thu, Oct 26, 2017 at 11:05

Code deployment throught UriDeploumentSpi

Hi! In our project we need to deploy custom compute tasks into cluster without cluster restart and p2p class loading. I try to use org.apache.ignite.spi.deployment.uri.UriDeploumentSpi for that purpose, but I have a problem. I have simple Ignite Service and Ignite Compute Task which use it

Re: checkpoint marker is present on disk, but checkpoint record is missed in WAL

KR, any chance you can provide a reproducer? It would really help us properly debug your issue. If not, can we get a copy of your configuration? On Thu, Oct 12, 2017 at 10:31 AM, KR Kumar wrote: > Hi AG, > > Thanks for responding to the thread. I have tried with 2.3 and

Re: Ignite long term support (LTS) version policy?

Hi Dop, I am not sure Apache Ignite community will be able to provide support beyond what you see on the user@ and dev@ lists today. If you need something beyond that, I would advise you to contact commercial vendors, like GridGain. D. On Tue, Oct 3, 2017 at 6:58 AM, Dop Sun

Re: Question about number of total onheap and offheap cache entries.

On Tue, Oct 3, 2017 at 4:19 AM, Ray wrote: > Hi Alexey > > My cache configuration is as follows. > cacheConfig.setName("DailyAggData") > cacheConfig.setIndexedTypes(classOf[A], classOf[B]) > cacheConfig.setSqlSchema("PUBLIC") > aggredCacheConfig.setBackups(2) >

Re: INSERT into SELECT from Ignite 1.9 or 2.0

To add to Andrey's example, here is how you would use IgniteAtomicSequence to make IDs unique across the whole distributed cluster: *public static class CustomSQLFunctions {* *@QuerySqlFunction* *public static long nextId(String seqName, long initVal) {* *return

Re: work around for problem where ignite query does not include objects added into Cache from within a transaction

On Mon, Sep 18, 2017 at 8:01 AM, rick_tem wrote: > I see that as a huge problem. Certainly one of the functions of Ignite is > to > be faster than the database, but if it fails to meet all of the > requirements > of what a database will do for you, what is the point of

Re: Re: Fetched result use too much time

Lucky, We would like to see the output of the "EXPLAIN" command for the query that takes a long time, so we could make suggestions. Can you post it here? D. On Fri, Sep 15, 2017 at 11:50 PM, Lucky wrote: > Hi , Yakov Zhdanov > Actually I did not run H2 console, I run

Re: Comparing Strings in SQL statements

On Thu, Sep 14, 2017 at 10:02 PM, iostream wrote: > I have used Informix DB before. In Informix string comparisons such as - > > SELECT * from Person where fName = "ABC"; > > return rows even if the column value has trailing spaces. The Informix > engine internally trims

Re: Comparing Strings in SQL statements

On Thu, Sep 14, 2017 at 7:10 PM, iostream wrote: > > 1. Whether Ignite does not TRIM strings internally when doing comparisons? > I don't think Ignite trims strings for comparison. You should use TRIM() function explicitly when inserting or comparing strings. > 2. Is

Re:

Hi Chaitanya, Sorry to see you go :( Please follow the unsubscribe link here: https://ignite.apache.org/community/resources.html#mail-lists D. On Wed, Sep 13, 2017 at 2:26 PM, chaitanya kulkarni <9...@gmail.com> wrote: > Unsubscribe >

Re: Re: When cache node switch between primary and backup any notification be received?

On Mon, Sep 11, 2017 at 6:54 PM, aa...@tophold.com wrote: > Thanks Alexey! what we real want, we deploy service on each Cache Node. > those service will use data from its' local cache. > > Client will call those remote service, Client should only call the > service on

Re: Logging documentation

Great! I think the next task should be to explain expiration vs eviction. I am seeing too many questions on it as well. At this point, I am also confused about how it really works. D. On Fri, Sep 8, 2017 at 10:18 AM, Denis Magda wrote: > Unbelievable! So many years went by

Re: POJO field having wrapper type, mapped to cassandra table are getting initialized to respective default value of primitive type instead of null if column value is null

Cross-sending to user@ as well. On Tue, Sep 5, 2017 at 10:44 PM, kotamrajuyashasvi < kotamrajuyasha...@gmail.com> wrote: > Hi > > I'm using ignite with cassandra as persistent store. I have a POJO class > mapped to cassandra table. I have used > ignite-cassandra-store/KeyValuePersistenceSettings

Re: IgniteDataStreamer.addData - behavior for a FULL_SYNC Cache

On Tue, Sep 5, 2017 at 10:51 AM, mcherkasov wrote: > I think javadoc is the best source for this: > > /** > * Flag indicating that Ignite should wait for write or commit replies > from all nodes. > * This behavior guarantees that whenever any of the atomic or

Re: Specifying location of persistent storage location

not support it out of the box, but you may wish to look at the 3rd party solutions, e.g. the one provided by GridGain - https://docs.gridgain.com/docs/data-snapshots > > > *From:* Dmitriy Setrakyan [mailto:dsetrak...@apache.org] > *Sent:* Tuesday, September 5, 2017 3:09 PM >

Re: Specifying location of persistent storage location

On Mon, Sep 4, 2017 at 6:07 PM, Raymond Wilson <raymond_wil...@trimble.com> wrote: > Dmitriy, > > > > I set up an XML file based on the default one and added the two elements > you noted. > > > > However, this has brought up an issue in that the XML file a

Re: Specifying location of persistent storage location

unlike above? > Yes, exactly. My suggestions will ensure that you explicitly bind to the same address every time. > > Thanks, > > Raymond. > > > > *From:* Dmitriy Setrakyan [mailto:dsetrak...@apache.org] > *Sent:* Tuesday, September 5, 2017 11:17 AM > *To:* us

Re: Specifying location of persistent storage location

On Mon, Sep 4, 2017 at 3:37 PM, Raymond Wilson wrote: > Hi, > > > > I definitely have not had more than one server node running at the same > time (though there have been more than one client node running on the same > machine). > > > > I suspect what is happening is

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