Re: Scheduling Cache Refresh

Thanks for the inputs.It is really helpful. -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

Re: Deploying Ignite Code

Thanks for the inputs.It is really helpful. -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

Re: Scheduling Cache Refresh

Hi Can anyone please help me with your inputs -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

Re: Deploying Ignite Code

Can anyone please help me with your inputs -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

Re: Deploying Ignite Code

Hi Thanks for the inputs. I have few queries. For example i have few caches which have custom key a JAVA POJO Class and custom Value which is also a JAVA POJO Class.Currently i am unable to do Cache.invoke and Cache.invokeall operations with peer class loading(i.e facing class Not Found

Re: Scheduling Cache Refresh

Hi Thanks For the inputs. To the question is this way of refreshing the cache is efficient, i mean refreshing the cache using the following process. We have created a REST-API using Spring Boot which refreshes a particular cache when a GET Request is triggered. *Sample REST-API Url :*

Re: Scheduling Cache Refresh

Hi Can anyone help me by providing inputs to the questions posted in my previous message. -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

Re: Ignite.cache.loadcache.Does this method do Increamental Load?

Thanks for the inputs.It is really helpful. -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

Deploying Ignite Code

Hi Can any let me know whether should i deploy my Ignite Project developed in UNIX in each and every node.If Yes, then should it be deployed on the bin folder shipped with ignite or can it be kept in any folder. Currently we are following steps 1. We created a bean file which has all the

Re: Data streamer has been cancelled

Got it. Thanks a lot. This is very useful -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

Re: Data streamer has been cancelled

Hi Implemented the code as suggested by you. Please find the code related to this. Please let me know is this right way of implementing what you suggested. Also can you please let me know the use of stmr.autoflushfrequency(2000) method usage .If i pass higher number to this method,will that

Re: Deleting multiple entries from cache at once

Thanks for sharing this.Its really helpful -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

Re: Service Node vs Data Node

Hi W.r.t client mode i am clear, But what is the use of starting the compute job on server node as when i start the the job on server node following things happen It is creating a new server node every time and the node is getting disconnected once the job is done. But the problem with this

Re: Deleting multiple entries from cache at once

The method mentioned in the API is cache.removeAll() which removes all the elements is the cache but i want to remove certain entries from cache at once like cache.removeAll(List of Keys). is there any such method or efficient way to remove entries corresponding to List of Keys at once .

Re: Service Node vs Data Node

Hi I have initially two nodes, But when i am initiating the compute job(IgniteCompute compute = ignite.compute()) from server i.e Ignite ignite=Ignition.star("Server.xml") it is creating a new server node every time and the node is getting disconnected once the job is done. But the problem with

Re: Service Node vs Data Node

Thanks.This information is very helpful. -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

Deleting multiple entries from cache at once

Hi Is there an API, to delete multiple entries from cache efficiently? -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

Data streamer has been cancelled

Hi Currently i am trying to load the data into ignite cache using data steamer from Oracle DB. Currently i have two server nodes deployed on two Linux servers and i am executing this as a standalone java program from my local machine. To achieve this i have followed the below steps. 1. Start

Re: Service Node vs Data Node

Thanks for the detailed explanation.It is very helpful. I have one query. To execute a compute job on server nodes, should i use the below command by starting as client node.Please correct me if i am wrong. IgniteCompute compute = ignite.compute(cluster.forRemotes()); Also can you please

Service Node vs Data Node

Hi We are exploring the iginite Service Grid. Can any explain the difference between Service node and Data node. i.e Currently i have 2 data nodes. If i need to have a service deployed, then should i need to have a new node which doesn't store data(based on the explanation given in the video

Re: Scheduling Cache Refresh

Hi Issue got resolved after doing the following changes. Attached you the updated code,client.xml(will be in src/resources folder) and pom.xml file. srcandpomupdated.zip 1. Removed the following

Re: Restarting the Main node when it goes down

Thanks this information is helpful -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

Re: Ignite.cache.loadcache.Does this method do Increamental Load?

Then what is the best way to do perform incremental load. -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

Re: Critical System error Detected

Yes I am able to ping the IP address from my local machine and yes, i am specifying* only the IP address corresponding to a particular server node in the Client node bean file*.Is it better to have all the server node IP address in the Client nodes under the following section of the bean file.

Re: Restarting the Main node when it goes down

Also what should the address property have in bean file corresponding to Client Node.Should it have the list of all server nodes IP address?Also Can you please explain what happens if list of all server nodes IP address is specified. -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

Re: Restarting the Main node when it goes down

Actually in the node A , bean file no IP address is specified for the property "addresses" corresponding to class "org.apache.ignite.spi.discovery.tcp.ipfinder.multicast.TcpDiscoveryMulticastIpFinder" but in the node B IP address of A is specified. Is it because Node A bean file does not have any

Re: Scheduling Cache Refresh

Please find below the log info . ___ _ _ /\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \ ( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \ \\/ ___)| |_)| | | | | || (_| | ) ) ) ) ' || .__|_| |_|_| |_\__, | / / / / =|_|==|___/=/_/_/_/ :: Spring Boot

Re: Critical System error Detected

Also i am not getting this error when i am connecting with node js thin Client. -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

Critical System error Detected

Hi I two ignite nodes running on Linux and the bean file that consists of cache configuration is deployed on both the nodes.I am trying to run a simple stand alone Java Program and i am getting the following error. Can any help me why i am getting this error. Attaching the Java program i am

Re: Scheduling Cache Refresh

Hi Actually the Bean File which contains the Cache Store Factory Details and Cache Configuration Details is deployed in Linux Server on which the Ignite Instance is running.I am try to connect to the ignite instance running on the Linux Server from my local machine. PFA for the bean file

Re: Scheduling Cache Refresh

Hi Attached link is at the end of post.However i am attaching it again here. srcandpom.zip Please let me know in case of any difficulties while opening the attachment. -- Sent from:

Restarting the Main node when it goes down

Hi I have two nodes Node A(Main Node) and Node B with persistence enabled.When node B is restarted whenever it goes down, it is able to recognize node A and is joining the Baseline Topology but when Node A alone goes down and once Node A is restarted, it is not able to recognize Node B and it

Re: Scheduling Cache Refresh

Hi Attached the Sample Spring Boot Application that i am running in my local machine to connect to ignite cluster deployed in Unix as a client node and refreshes the cache when ever a GET Request is made. Facing the following error.Can you please help me in resolving the errors

Re: Deploying the Ignite Maven Project in LINUX

Thanks for sharing the link. It is really very helpful. -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

Re: Deploying the Ignite Maven Project in LINUX

Hi I am new to JAVA. If possible , can you please share a link on how to create fat jar(i.e jar with all dependencies) using eclipse. -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

Deploying the Ignite Maven Project in LINUX

Hi We have couple of ignite nodes running in LINUX and the cache configuration details are specified in the bean file and deployed on both the nodes.Now i am connecting to one of the nodes as client and loading the cache from my local system. Is there a way, i can deploy the JAVA code with

Scheduling Cache Refresh

Hi , We are using Ignite as a caching layer and loading the data from Oracle to Ignite using JDBC POJO method ignite.cache("CacheName").loadCache(null,"java.lang.String","CustomSql"). Now we want to schedule the refresh in such a way that whenever the job that updates the Oracle Table has

Re: Ignite Persistence

Thanks for sharing this useful info -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

Ignite Persistence

Hi Currently we are using ignite as an in-memory cache.We are now trying to explore the ignite persistence to avoid reloading the caches whenever the cluster restarts. Had a walk through of the documentation and have one question.Can any one help me answer the following question. For example i

Re: Loading Data from RDMS to ignite using Data Streamer

Hi Currently i am able to load 5.5 million data from Oracle Table to Ignite in 1 hr using JDBC Pojo Configuration.So i was curious that how much time will it take to load the data using data streamers as a result of which i tried to load 10,000 records using the Data Streamers and it took almost

Loading Data from RDMS to ignite using Data Streamer

Hi , I am new to Ignite. i am able to load data from oracle into ignite using Cache Pojo Store method ignite.cache.("cachename").loadcache(null) . But in the documentation it was mentioned that Data Steamers will provide better performance when loading data into ignite cache. *Documentation

Ignite.cache.loadcache.Does this method do Increamental Load?

Hi I am trying to load the data into ignite cache using JDBC Pojo Store method ignite.cache("cacheName").loadCache(null).I have used this method and got the following results for the following scenarios. *Scenario-1:Trying to load the same key which is available in cache* In this case, the

Re: Data Isolation during Ignite Cache load

Hi , But it is not behaving that way. I have tested it using the following scenario. Scenario: Initially loading 1000 rows from oracle table with the following filter where rownum<=1000 into ignite cache. During the cache load process, i checked the count using sql fields query i got the

Re: Data Isolation during Ignite Cache load

Hi , Filter in the sense, SQL Fields Query with where clause is executed. I hope the following example helps you understand my query. *Scenario:* For example there is a cache named Products which has 1 million records with two distinct product categories(i.e. Furniture,Electronics) among these

Data Isolation during Ignite Cache load

Hi , We have Created a cache in Ignite that gets loaded with Data from Oracle.Cache is getting loaded using JDBC POJO Store method Ignite.Cache("Cache Name").loadCache(null).Can anyone explain how will ignite handle the below scenario when loading data using the method Ignite.Cache("Cache

Re: Data Load from Oracle to Ignite is very slow

Hi When i executed on the server , Data is getting loaded very fast.Thanks for the inputs. With respect to Data Steamer, it would be really helpful if you can share any sample code other than the one provided in documentation. -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

Getting error while extracting Date Fields from ignite cache using node express

Hi, We have an Oracle Table for which a corresponding cache/table is created in ignite and loaded using Cache JDBC POJO Store. On top of this cache a Rest API is built using node express. We are fetching the data from the cache using sql fields query and the programming language used is node

Re: Data Load from Oracle to Ignite is very slow

Hi We are doing POC, as a result of which we are running it in local mode. Currently it is taking 25min to load 2 records with Cache JDBC POJO Store. Even i am giving the initial filter to reduce unnecessary records.

Re: Data Load from Oracle to Ignite is very slow

I am having two nodes running on local machine. Following is the logic i implemented to load data using Data Steamer.Can you please check whether the implementation is correct and also can you please share sample code on how to push entries to data streamer from multiple threads public class

Data Load from Oracle to Ignite is very slow

Hi, I have multiple oracle tables with more than 10 million rows. I want to load these tables into Ignite cache.To load the cache I am using Cache JDBC Pojo Store by getting the required project structure from Web Console. But Loading the data using cache JDBC POJO Store (i.e.

Re: Loading cache from Oracle Table

Hi Prasad, Is there a improvement in performance. If so can you please share the sample code as i am also looking for a similar solution. -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

Re: Dynamic Cache Change not allowed

Also one important observation is ,we are not getting this error "dynamic cache change is not allowed" when Ignite server node and client node is running on local machine.Getting this error only when server node is running in unix and trying to connect to this node from local system. Should the

Re: Scheduling Cache Refresh using Ignite

Following is the java code that loads the cache. package Load; import java.sql.Types; import org.apache.ignite.Ignite; import org.apache.ignite.IgniteCache; import org.apache.ignite.Ignition; import org.apache.ignite.cache.CacheAtomicityMode; import

Re: Scheduling Cache Refresh using Ignite

Attached the bean file used -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

Re: Scheduling Cache Refresh using Ignite

Thanks aealexsandrov. This information is very useful. Also i have one more query. Currently as a part of POC, installed Ignite in UNIX and trying to load the data from Oracle DB to Ignite Cache using Cache JDBC Pojo Store. As a part of this process, bean file is custom

Re: Loading and Fetching the Data using Node js.

Hi Pasted below the code and error i got.Actually i am trying query an existing cache using node js which is loaded using Cache JDBC Pojo Store in Java.It would be really helpful share me if you have any sample code. PS C:\Users\ngovind\NodeApp> node NodeIgnite.js ERROR: Binary type has

Re: Dynamic Cache Change not allowed

Hi No I am creating new cache and configuring the cache from java in client mode and trying to load the cache from java in client mode. Following is error i get. Feb 13, 2020 11:34:40 AM org.apache.ignite.logger.java.JavaLogger error SEVERE: Failed to send message: null java.io.IOException:

Scheduling Cache Refresh using Ignite

Hi We are doing a a POC on exploring the Ignite in memory capabilities and building a rest api on top of it using node express. Currently as a part of POC, installed Ignite in UNIX and trying to load the data from Oracle DB to Ignite Cache using Cache JDBC Pojo Store.

Re: Dynamic Cache Change not allowed

Forgot to attach the bean file.Attached the bean File now. config.txt -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

Dynamic Cache Change not allowed

Hi We are doing a a POC on exploring the Ignite in memory capabilities and building a rest api on top of it using node express. Currently as a part of POC, installed Ignite in UNIX and trying to load the data from Oracle DB to Ignite Cache

Loading and Fetching the Data using Node js.

Hi I am new to Apache Ignite.Can someone help me on how to fetch and load the data from ignite cache using node js without using sql field queries option. Cache is loaded using CacheJDBCPOJO Store and the Key and Value types are custom types defined using JAVA.As these classes are defined in

REST API on top of ignite using node express

Hi , We are trying to build an Rest API on top of ignite cache using node express. Following is the way we are fetching data from ignite. await igniteClient.connect(new IgniteClientConfiguration(ENDPOINT)); const cache = igniteClient.getCache(CacheNAME); const querysql=new

REST API on top of ignite using node express

Hi , We are trying to build an Rest API on top of ignite cache using node express. Following is the way we are fetching data from ignite. await igniteClient.connect(new IgniteClientConfiguration(ENDPOINT)); const cache = igniteClient.getCache(CacheNAME); const querysql=new

REST API on top of ignite using node express

Hi , We are trying to build an Rest API on top of ignite cache using node express. Following is the way we are fetching data from ignite. await igniteClient.connect(new IgniteClientConfiguration(ENDPOINT)); const cache = igniteClient.getCache(CacheNAME); const querysql=new

Table not found error while executing sql fields query API

Hi , We are doing a POC on using the Ignite in-memory capabilities for our application and as a part of this we are trying to load the data from one of the Oracle Tables to ignite cache using CacheJdbcPojoStoreFactory. I specified properties like cache configuration,cache name,key

Failed to load bean in application context [beanName=dataSource] in ignite.Spring bean doesn't exist

Hi , We are doing a POC on using the Ignite in-memory capabilities for our application and as a part of this we are trying to load the data from one of the Oracle Tables to ignite cache using CacheJdbcPojoStoreFactory. Steps followed to load the data from Oracle to Ignite cache:

Re: Data Load to Ignite cache is very slow from Oracle Table

Hi Ilya, Thank you so much. Issue is resolved after following the steps mentioned in the link you have shared. -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

Error Connecting to Web Console

Hi , We are doing a POC on using the Ignite in-memory capabilities for our application and as a part of this trying to connect to Ignite Web Console but we end up facing the error provided in the attachment after downloading the web agent and starting the agent by executing the

Re: Data Load to Ignite cache is very slow from Oracle Table

Hi Belyakov, Thank you so much. This is very helpful. I am facing the following error when i am using this approach Failed to start component: class org.apache.ignite.IgniteException: Failed to initialize cache store (data source is not provided). Below is the code used for implementation.I

Re: Data Load to Ignite cache is very slow from Oracle Table

Hi Mikael, Thanks for your quick response. I have gone through the documentation reg usage of IgniteCache.loadcache method. Documentation Link: https://apacheignite.readme.io/docs/3rd-party-store#section-loadcache- in the Documentation It was mentioned to enable the JDBC POJO store manually in

Re: Data Load to Ignite cache is very slow from Oracle Table

Its taking almost 1hour to load the 0.1 million data using result set Cursor -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

Data Load to Ignite cache is very slow from Oracle Table

Hi I am trying to load data from Oracle Table to Ignite Cache using Cache Store Load Cache method. Following is the logic implemented in Load Cache method to load the data from Oracle Table using Ignite Cache. 1. JDBC connector is used to connect to Oracle Table and the data is available in