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Remote Listen in Apache Ignite .Net

Hi, Is there code sample for RemoteListen Of events in .net version of apche ignite.The code sample is available for Java version not for java version ignite.events(ignite.cluster().forCacheNodes("cacheName")).remoteListen(null, rmtLsnr, EventType.EVT_CACHE_OBJECT_PUT, EventType.EVT_CACHE_OBJ

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-- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

What's the current behaviour when we use the eviction filter + expiry plicy?

hi All, We use the expiryPolicyFacotry to control the expiry of the data in case over one hour, and also eviction filter. As we want to avoid expiry some entry we may need, so will eviction filter can achieve this? From the java doc the eviction filter should work with evictionPolicy instea

Re: ignite compute job continuation documentation

Evgeniy, Agree that the continuation API is poorly documented. Actually, the same concern was reported before: https://issues.apache.org/jira/browse/IGNITE-4222 Someone from the community will fix this gap soon. — Denis > On Sep 7, 2017, at

Re: 2.1.4 visor console - activate/deactivate command?

Hello, You need to use {ignite}/bin/control.sh script to activate/deactivate the cluster. Hope this feature will be migrated to the Visor CMD soon. — Denis > On Sep 7, 2017, at 9:30 AM, Michael Cherkasov > wrote: > > Hi, > there's no such version like 2.1.4, the latest one is 2.1. > > Than

Re: Affinity and String key (was: SQLQuery with simple Join return no results)

Hi Roger, Please see inline > On Sep 5, 2017, at 9:44 AM, Roger Fischer (CW) wrote: > > Hi Denis, > > I don’t quite understand your comment “If you use Strings as the keys you > won’t get affinity collocation set up properly”. > > I have an object with a plain String key, named switchId, a

Re: [Meetup] Apache Spark and Ignite for IoT scenarious

Hello Anjaneya, Marco, Honestly, I’m not aware if the video broadcasting or recording is planned. Could you go to the meetup page [1] and raise the question there? Just in case, here is you can find a list of all upcoming Ignite related events [2]. Probably some of them will be in close proximi

RE: Massive commit sizes for processes with local Ignite Grid servers

Hi Alexey, The server itself is pretty simple, it runs up and waits for requests without preloading aything. Once the process has initialized everything (except for activating the Ignite server node), the Commit Size is around 750Mb in size. It then stalls waiting for Active to become true, a

AWS Apache Ignite AMI startup.sh does not allow documented JVM options

If I use this in Advanced Details JVM_OPTS=-Xms1g -Xmx1g -server -XX:+AggressiveOpts -XX:MaxPermSize=256m I get startup.sh: line 15: export: `-Xmx1g': not a valid identifier startup.sh: line 15: export: `-server': not a valid identifier startup.sh: line 15: export: `-XX:+AggressiveOpts': not a v

Why is PageSize limited to just 16kB?

Hi, Ignite sets the maximum possible size for a page to 16KB. Why? What are the drawbacks of having bigger page sizes? https://github.com/apache/ignite/blob/bd7bd226d959fbc686f6104a048106b7b944347b/modules/core/src/main/java/org/apache/ignite/configuration/MemoryConfiguration.java#L179 Thanks,

In-Memory Computing Summit (Oct. 24-25) raffle

Igniters, here's your chance to win a ticket to next month's In-Memory Computing Summit /(Oct. 24-25 at the South San Francisco Conference Center)/. Enter the raffle here (two winners drawn each week!). -- Sent from: http://apache-ign

Re: BinaryObject model replace() in client/server topology fails with ClassNotFoundFunction

Thanks for the reply. How do I file a ticket ? I know it is still early stage, usually how long it takes to fix this bug and release a version because we need this functionality working for our use case. On Sep 7, 2017 10:22 PM, "Andrey Mashenkov" wrote: Hi, Looks like a bug and CacheEntryPred

Cache Size Monitor -- without making a remote call??

Hi, I need to monitor cache size – in a PARTITIONED cache (a 10 Node Cluster – 2 backups). And I need to monitor this in the PRIMARY – (I assume – to get the true size at any time) Thus my monitor will call `cache.size(CachePeekMode.PRIMARY)` every few seconds – and evaluate the size vs the expect

Re: quick question on dirty pages and check pointing

Thanks! On Thu, Sep 7, 2017 at 7:44 AM, Dmitry Pavlov wrote: > Hi John, > > Process of checkpointing makes all dirty pages to be written to disk. As > result they will become clean (non dirty) > > When checkpoiting is not running, dirty page can't be evicted (if > Persistent Data storage mode is

Design question on the Ignite Web Session Clustering.

Hi All, I have design question about Ignite web session clustering. I have springboot app with UI. It clustered app ie multiple instance of springboot app behind the load balancer. I am using org.apache.ignite.cache.websession.WebSessionFilter()to intercept request and create\manage session f

Re: ignite compute job continuation documentation

Hi Evgeniy, if you understand the code, then you can improve java doc. it's apache, so anyone can contribute to it, please alter java doc appropriately and make a pull request with improvements. Thanks, Mikhail. -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

Re: BinaryObject model replace() in client/server topology fails with ClassNotFoundFunction

Hi, Looks like a bug and CacheEntryPredicateContainsValue shouldn't deserialize value to compare BinaryObjects in case of replace() operation. Feel free to fill a ticket for this. On Thu, Sep 7, 2017 at 9:50 AM, saikiran939 wrote: > Hi Team, > > Our team on working on a usecase in which we don

Re: Enforcing data to be stored in Heap only

Hi Val, Would the BinaryObject api improve the performance even if the Key and Value both are user-defined-objects instead of primitives? I have a cluster of 8 ignite server nodes and 8 ignite client nodes (tomcat). My use-case first gets a value for a key to the client node, updates the sta

Re: RESTART_JVM Segmentation Policy

I am starting the Ignite server nodes through the ignite.sh script only but didn't quite follow if Ignite 2.0 will restart the jvm without a user defined resolver if the segmentation resolver policy is set to 'RESTART_JVM'. Also, does the segmentation policy needs to be defined only on the server

Re: 2.1.4 visor console - activate/deactivate command?

Hi, there's no such version like 2.1.4, the latest one is 2.1. Thanks, Mike. 2017-09-07 19:00 GMT+03:00 mzingman : > I've downloaded latest ignite-fabric (2.1.4), and running ignitevisorcmd, > but > having trouble finding activate/deactivate grid command (promised in > Release > Notes). Please h

2.1.4 visor console - activate/deactivate command?

I've downloaded latest ignite-fabric (2.1.4), and running ignitevisorcmd, but having trouble finding activate/deactivate grid command (promised in Release Notes). Please help, thank you. -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

Re: Task management - MapReduce & ForkJoin performance penalty

Yes, however, you can still return results from each job and use it. Please see javadoc for org.apache.ignite.compute.ComputeJobResult#getData --Yakov

Re: RESTART_JVM Segmentation Policy

Hi, Ignite provides only scaffolding for your custom implementation. GridGain provides some out of the box realizations. For more details and hints please refer to the GridGain documentation on the subject. As well, please note that RESTART_

Re: CONFIG_INI not copied to ./ignite-config.xml

Now I see the "Type 'help "command name"' to see how to use this command." below the list. -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

Re: Ignite is failing while starting Web Application

Hi again, Please run all client and server nodes with -DIGNITE_QUIET=false and provide us log files from all node. Also please share configuration of all node with us. Thanks, Mike. -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

CONFIG_INI not copied to ./ignite-config.xml

The documentation around CONFIG_INI says "The downloaded config file will be saved to ./ignite-config.xml", except that did not happen. Therefore when I started visor, I had no way to discover the cluster, so visor created a new one. After much newbie confusion, I copied the config file from

Re: quick question on dirty pages and check pointing

Hi John, Process of checkpointing makes all dirty pages to be written to disk. As result they will become clean (non dirty) When checkpoiting is not running, dirty page can't be evicted (if Persistent Data storage mode is enabled). Only clean page may be evicted from memory. In the same time too

Re: create two client instance in one JVM to connect two ignite

Hi Shawn! Do you have other nodes in your cluster? Judging by the provided code, you are trying to connect two clients one to another, but clients require servers to connect to. Please refer to the documentation for more information: https://apacheignite.readme.io/v2.1/docs/clients-vs-servers -

RESTART_JVM Segmentation Policy

Hi, I am trying to define the 'RESTART_JVM' network segmentation policy in the configuration xml. Do I need to provide custom segment resolver to handle it or ignite provides the handler to restart the jvm? Also, is the segmentation ignite configuration applicable only to ignite server nodes or to

Re: create two client instance in one JVM to connect two ignite

Hi Val,I want to do something like below:Ignition.setClientMode(true);Ignite ignite1 = Ignition.start(config1);Ignite ignite2 = Ignition.start(config2); with above 2 ignite client instance, so that I can query from one and put the query result into the other manually, even with some

Re: Task management - MapReduce & ForkJoin performance penalty

yakov wrote > What are your timings now? on two local nodes, after jvm is warmed up (~100 executions), it's running in average 30ms instead of 6 sec when result is returned in return/reduce phase. This is a huge improvement! I can take it now as a basis and start adding some additional behavior o

Re: Cache classes deployment

Thanks for the reply, Val! Seems like for cache classes there is a choice between binary cache structure and explicit class deployment. -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

Re: Ignite node not stopping after segmentation

Thanks for the report. I think we need to file a ticket and start investigation. Can anyone from community pick this up? --Yakov

Re: Thread Pool Starvation in ignite grid

Sure, will check the heap stats.And this is not local node. Its happening in QA environment which has 12 servers connected to grid. -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

Re: Thread Pool Starvation in ignite grid

The local node you see this warning on cannot reach remote node for some reason which may be: GC pause or some network connectivity problem. Can you please tell what environment you use and check heap utilization on all nodes when this happens. --Yakov

Re: Task management - MapReduce & ForkJoin performance penalty

You are welcome! What are your timings now? --Yakov 2017-09-07 15:01 GMT+03:00 ihorps : > hi @yakov > > > yakov wrote > > Try attaching @ComputeTaskNoResultCache to your task. > > Thank you for the hint. It speeds up task management processing > drastically! > > > > -- > Sent from: http://apach

Thread Pool Starvation in ignite grid

Hi, Any one to the rescue here please.I am finding it hard to understand these logs. When this starts happening, ignite grid just stops working. Nothing works unless grid is restarted. Any helpful would be grateful. Error log: [2017-09-07/13:16:47.856/BST][WARN ][grid-timeout-worker-#15%null%][o.

Re: Misconfigured Ip6 address on node causes cluster outage on node join

Hi Kristian! Can you please provide the full stack trace? It seems IP finder assumes that unresolved addresses should be filtered out somewhere else. --Yakov

Re: Task management - MapReduce & ForkJoin performance penalty

hi @yakov yakov wrote > Try attaching @ComputeTaskNoResultCache to your task. Thank you for the hint. It speeds up task management processing drastically! -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

Re: Massive commit sizes for processes with local Ignite Grid servers

OK, please ignore - I see you might have found a cause in the other thread. On Thu, Sep 7, 2017 at 2:45 PM, Alexey Kukushkin wrote: > Raymond, > > So you see 3 "extra" GB that your server app takes. Is it possible your > app really loads additional 3GB of referenced libraries and data besides >

Re: Massive commit sizes for processes with local Ignite Grid servers

Raymond, So you see 3 "extra" GB that your server app takes. Is it possible your app really loads additional 3GB of referenced libraries and data besides Ignite? Did you try temporarily changing the code to NOT start Ignite and see how much memory such an app takes? On Thu, Sep 7, 2017 at 1:49 PM

Re: event when a cache item expired in.Net

Expiration is triggered both periodically and on item access. What are your expiration timeouts? Can you attach a reproducer for the problem? On Thu, Sep 7, 2017 at 1:18 PM, shuvendu < shuvendu@travelcentrictechnology.com> wrote: > Hi, > > it seems that the event will be thrown if the expired

Re: ignite compute job continuation documentation

Sorry, understood the flow after going through the example in the debug mode and rereading Javadoc. Still think that documentation on the Compute Job Continuations is really obscure. Best regards, Evgeniy. On 9/5/2017 9:58 PM, mcherkasov wrote: Hi Anton, We have only docs that you mentioned

RE: Oddity running multiple server nodes locally

It appears the Commit Size issue I raised in another thread may have been the cause of this. When I defined a default memory policy in the server nodes to restrict memory use to 1Gb then the servers activate as expected. -Original Message- From: Raymond Wilson [mailto:raymond_wil...@trimbl

Re: ignite compute job continuation documentation

Is there anywhere more elaborate information on how/from what point actually the job execution will be resumed after the #holdcc is called and there was a return from the job? Best regards, Evgeniy. On 9/5/2017 9:58 PM, mcherkasov wrote: Hi Anton, We have only docs that you mentioned. Do y

RE: Massive commit sizes for processes with local Ignite Grid servers

Hi Dmitry, Thanks for the pointer to the MemoryPolicy. I added the following: cfg.MemoryConfiguration = new MemoryConfiguration() { SystemCacheMaxSize = (long)1 * 1024 * 1024 * 1024, DefaultMemoryPolicyName = "defaultPolicy",

Re: Massive commit sizes for processes with local Ignite Grid servers

Hi Raymond, Total memory usage since 2.0 version is determined as sum of heap size and memory policies MaxSizes (overall segment sizes). If it is not configured there is 80% of physical RAM is used for each node (before 2.2). In 2.2 this behaviour will be changed. To run several nodes at one PC i

Re: event when a cache item expired in.Net

Hi, it seems that the event will be thrown if the expired item is accessed. But in our case we are expecting a logic that will throw event automatically when the item is expired. Thanks Shuvendu -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

RE: Massive commit sizes for processes with local Ignite Grid servers

I tried an experiment where I ran only two instances of the server locally, this is the result in the Task Manager: *From:* Raymond Wilson [mailto:raymond_wil...@trimble.com] *Sent:* Thursday, September 7, 2017 9:21 PM *To:* user@ignite.apache.org; 'd...@ignite.apache.org' *Subject:* Massive

Massive commit sizes for processes with local Ignite Grid servers

I’m running a set of four server applications on a local system to simulate a cluster. Each of the servers has the following memory configurations set: public override void ConfigureRaptorGrid(IgniteConfiguration cfg) { cfg.JvmInitialMemoryMb = 512; // Set to min

Re: event when a cache item expired in.Net

Hi, see EventType.CacheObjectExpired. On Thu, Sep 7, 2017 at 11:32 AM, Shuvendu Das wrote: > Hi, > > Is there any event that will throw event automatically when the cache item > is expired > > Thanks > > Shuvendu >

event when a cache item expired in.Net

Hi, Is there any event that will throw event automatically when the cache item is expired Thanks Shuvendu

Misconfigured Ip6 address on node causes cluster outage on node join

I've just spent the better part of a week diagnosing our production cluster. It turned out someone (tm) had turned on IP6 router advertisement without actually enabling IP6 routing, hence our servers in one datacenter started picking up IP6 addresses that were not known or resolvable in the other d