Re: What is the mechanism of Ignite distributed messaging?

2017-04-28 Thread Nikolai Tikhonov
Hi, Ignite distributed messaging use the same of mechanism that Ignite uses for all internal messages. Ignite sends user messages to nodes in cluster by TcpCommunicationSpi. On remote nodes messages will be processed in public pool. Sender and Listener fully decoupled and processing speed in liste

Re: HDP, Hive + Ignite

2017-04-28 Thread Ivan Veselovsky
Yes, we did some experiments with Hive over Ignite on HDP distributions, in basic experiments everything was working without critical issues. -- View this message in context: http://apache-ignite-users.70518.x6.nabble.com/HDP-Hive-Ignite-tp12195p12308.html Sent from the Apache Ignite Users mai

Re: HDP, Hive + Ignite

2017-04-28 Thread Ivan Veselovsky
1. The observed "java.lang.ClassNotFoundException: Class org.apache.ignite.hadoop.fs.v1.IgniteHadoopFileSystem not found " suggests that TEZ does not have IgniteHadoopFileSystem in class path. Please check how TEZ composes the classpath and if it adds all the libs from /usr/hdp/2.6.0.3-8/hadoop/l

Re: Huge delays while returning data back from remote callable's

2017-04-28 Thread yishchuk
Nikolai, I've created sample project which reproduces the behavior: perf-test.zip . It contains 4 modules: - common: for common classes - daily: where main processing occurs - linker: where results of dailies are com

Re: Ignite Home Directory

2017-04-28 Thread styriver
Here is what I have. When we restarted the tomcat container here is a dump of stuck threads Full thread dump Java HotSpot(TM) 64-Bit Server VM (25.66-b17 mixed mode): "localhost-startStop-2" #113117 daemon prio=5 os_prio=0 tid=0x7fc8a40e3800 nid=0x3344 waiting on condition [0x7fc87c95

Re: HDP, Hive + Ignite

2017-04-28 Thread Alena Melnikova
Hi Ivan, Many thanks! 1. *I run Hive query with IFGS without Ignite MapReduce (on TEZ)* beeline --hiveconf fs.default.name=igfs://dev-dn1:10500 set hive.execution.engine = tez; *Errors in Hive log:* 2017-04-28 11:38:16,409 [INFO] [main] |service.AbstractService|: Service org.apache.tez.dag

Re: Ignite Home Directory

2017-04-28 Thread vdpyatkov
Hi, If Ignite could not write to home directory, it will got some side effect. Could you please provide thread dump from this server node? -- View this message in context: http://apache-ignite-users.70518.x6.nabble.com/Ignite-Home-Directory-tp12271p12303.html Sent from the Apache Ignite Users

Re: Ignite Web Sessions Caching Failover question

2017-04-28 Thread Sasha Belyak
I think it's very interesting use case (if I understand you correctly) to store data locally and, if client can, connect to the cluster and share data. But for now this use case doesn't support directly and, probably, you should put some local write behind cache before apache ignite client node and

Re: Apache ignite performance

2017-04-28 Thread Sasha Belyak
Hello Sweta Das! 1. It's not recommended to perform any performance tests on virtual environment, because this environments have too many points where something can work not as expected: memory swapping, virtual file systems, driver problems and the effects from other virtual machines on the same h

Re: Ignite Web Sessions Caching Failover question

2017-04-28 Thread vkulichenko
Hi Rishi, I'm not sure I understand your concerns. First of all, web session clustering is not always used with Spring Boot. We just provide a web filter which can be used in any servlet based application. Second of all, the filter currently blocks with timeout or fails with exception in case clie