Re: Ignite grid stops after a few days of uptime

Thanks Ilya. Appreciate the quick response here -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

Re: Ignite grid stops after a few days of uptime

Thanks Ilya. Appreciate the quick response -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

2.8 release date?

Hi Ignite Team, When is version 2.8 expected to be released? Jose -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

Re: Default Cache template

It works. it isn't in your documentation though. https://apacheignite.readme.io/docs/cache-template -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

Re: IGNITE-3180 : please add support for median, stddev, var in Ignite SQL

Hello! As far as my understanding goes, it's a very non-trivial thing to calculate median across nodes. You end up needing to pull all the data in one place or use some complicated iterative approach. Same thing probably applies to std, though there might be shortcuts. Still it's not as easy as

Re: Tree is being concurrently destroyed: PendingEntries

Hello! While I'm not extra sure, you could: * Upgrade to 2.7 and hope that it was fixed. * Have more than one node in cluster and enough backup level so that your cluster is intact in case one node fails. Regards, -- Ilya Kasnacheev пт, 25 янв. 2019 г. в 17:15, Karun Chand : > Hi Weizhou, >

Re: ScanQuery for List<...>

Hello! Can you create a simple reproducer project for this behavior? I could try and debug it. Regards, -- Ilya Kasnacheev пн, 28 янв. 2019 г. в 14:19, AndrewV : > Thanks a lot. > I tried to create CustomIgniteBiPredicate, but inside the method "apply" > List list is always empty. > >

Re: Problem with Ignite OSGI in Karaf: self-depency in ignite-osgi bundle

Hello! OSGi/Karaf don't see that much action and bugs are certainly possible. If you think there is a bug you should file an issue against our JIRA and propose a fix. Optimally if there is a test case which highlights the issue. Regards, -- Ilya Kasnacheev пт, 25 янв. 2019 г. в 18:33, Oleksii

Re: Performance problems while running SQL query involving JOINS and ORDER BY eventually leading to heap OOME.

Hello! Frankly speaking I got lost in your verbal description of tables and indexes. Can you please provide actual cache configurations or CREATE TABLE statements (obfuscated if needed so)? Otherwise I guess that query planner expects you won't have too much entries after WHERE so it's more

Re: SQL Query | Cache | Partition - strange exception after 3 days in production

Hello! It's hard to say what happens here. Are you sure that this query didn't genuinely time out? Can you provide full logs from affected nodes? Regards, -- Ilya Kasnacheev пн, 28 янв. 2019 г. в 14:57, Aat : > Hello, > > After 3 days in production : now when we try to execute this query we

Re: Ignite cache: Serializable vs Externalizable

Hello! Why not Binarylizable? Or just avoiding having either one. Regards, -- Ilya Kasnacheev чт, 24 янв. 2019 г. в 14:42, ashishb888 : > Which is better among Serializable and Externalizable? > I have experienced Externalizable is slower than Serializable. Can somebody > help me with this?

Re: Ignite grid stops after a few days of uptime

Hello! This is a known issue https://issues.apache.org/jira/browse/IGNITE-7476 The recommendation is to either avoid destroying caches :) or upgrade to Ignite 2.6. Regards, -- Ilya Kasnacheev ср, 30 янв. 2019 г. в 07:47, manish : > After our cluster is up for 2-3 days, the grid on one of

Re: Default Cache template

Hello, You have to add '*' to the cache name as follows: Thanks, S. вт, 29 янв. 2019 г. в 11:07, mahesh76private : > Hi, > > I added the below, in node config.xml file. However, SQL table create from > client side keep

Re: IGNITE-3180 : please add support for median, stddev, var in Ignite SQL

The simple usecase is as follows In big data visualization, for drawing graphs, one needs to know the standard characteristics of a measure column (numeric column) to draw and plan out graphs. ideally, we need to this support in Ignite itself so that client code does not pull large columns

Re: IGNITE-3180 : please add support for median, stddev, var in Ignite SQL

The weird thing about this is that the documentation says they do exist: https://apacheignite-sql.readme.io/docs/aggregate-functions (They don’t.) At the very least we need to update the documentation. Regards, Stephen > On 30

Re: Ignite and dynamic linking

You should not call it before FreeLibrary(). Try calling it after. Best Regards, Igor On Tue, Jan 29, 2019 at 5:02 PM F.D. wrote: > Hi Igor, > > thanks for your reply, I've added this code: > > Snippet > > void Ignition::DestroyJVM() > { >factoryLock.Enter(); > >

IGNITE-3180 : please add support for median, stddev, var in Ignite SQL

Looks like these are not supported currently, please add them in Ignite 2.8 -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

Re: The cluster with persistence enable is stuck for 60 seconds when restarting a node. Is this normal?

Hi! "After I reduced the checkpointFrequency, the block time decrease to 10 seconds." Good news! "But I do not understand how the checkpointFrequency impacts the partition map exchange, can someone explain it?" Applying chages from WAL since last checkpoint (i.e. recovery) is a part of PME

Re: The cluster with persistence enable is stuck for 60 seconds when restarting a node. Is this normal?

Thank Sergey! >From the email that he sent to me(I do not know why the email doesn't display in this post), I know that the default checkpointFrequency(18) was too long, so it impacts the partition map exchange. After I reduced the checkpointFrequency, the block time decrease to 10 seconds.

Re: Ignite 2.7.0 and Hadoop Accelerator

Hi! The Hadoop Accelerator binary (!) was dropped in 2.7.0 release. However, code still exists and you can build it manually (until 3.0 i guess). > On 29 Jan 2019, at 21:00, Sergio Hernández Martínez > wrote: > > Hello Everybody, > > After saw the download page, i have one question. > > In