Query regarding Debezium Ignite Sink connector

Hi Team, Is there any Ignite Sink connector available which will sink the data from Kafka topic having output from Debezium source connector connecting to SQL server with CDC enabled. Looks like we have the feature in GridGain but just wanted to check if simil

RE: Query regarding Debezium Ignite Sink connector

eaming/kafka-streamer> On 10 Nov 2022, at 04:22, satyajit.mandal.barclays.com<https://clicktime.symantec.com/15sLvRVC6AZSDoKqCfWdW?h=EGrdc5c4RMz-kXeT08DG8y_KKhAsFzCR8vk40qNTXiw=&u=http://satyajit.mandal.barclays.com> via user mailto:user@ignite.apache.org>> wrote: Hi Team,

Ignite Cassandra Integration

Hi Pavel, Is it possible to persist data both in File as well as in Cassandra at the same time without using connectors? Regards Satyajit Barclays Execution Services Limited registered in England. Registered No. 1767980. Registered office: 1 Churchill Place, London, E14 5HP

Performance benchmarks for Thin Client and Thick Client

Hi Team, Is there any performance benchmark documented for .NET thin client vs thick client. Can someone share details about performance comparison between thin and thick client. Regards Satyajit Barclays Execution Services Limited registered in England. Registered No. 1

Ignite integration with MongoDB

Hi Team, We are using .NET Api for accessing Ignite cache. We want to understand how can we implement the custom cache store and extend it to save data in MongoDB from Ignite. Can someone share detail steps how to extend the cachestore and how it will integrate wi

Storage Exception using Ignite

Hi Team, Am getting below storage exception while loading a heavy table into cache. Am running Ignite on windows . 17:29:29,731][SEVERE][exchange-worker-#62][] JVM will be halted immediately due to the failure: [failureCtx=FailureContext [type=CRITICAL_ERROR, err=class o.a.i.i.pro

RE: Storage Exception using Ignite

Hi team, Any update on this what might be causing this issue while storing data in Ignite with persistence enabled? class o.a.i.i.processors.cache.persistence.StorageException: Failed to initialize partition file Thanks Satyajit From: Mandal, Satyajit: IT (PUN) Sent: Thursda

Query regarding Thick Client using .NET

Hi Pavel/Team, Can we run webapi service written in .NET which will connect to Ignite cluster as thick client and fetch data? All examples which we have seen is using console application? Can you share a .NET webapi service as a thick client? Thanks Satyajit Ba

RE: Query regarding Thick Client using .NET

ce. Let me know if you have any specific questions. Pavel On Fri, Mar 31, 2023 at 4:08 PM satyajit.mandal.barclays.com<https://clicktime.symantec.com/15t5ZstJwssT8uaerASgn?h=jbMy_fjnwUsQcJvepxoPHwxcVxnQRwG2-JbaVeX6d_8=&u=http://satyajit.mandal.barclays.com> via user mailto:user@igni

RE: Query regarding Thick Client using .NET

Hi Pavel, Am able to run the same. Regards Satyajit From: satyajit.mandal.barclays.com via user Sent: Friday, March 31, 2023 7:59 PM To: user@ignite.apache.org; ptupit...@apache.org Subject: RE: Query regarding Thick Client using .NET CAUTION: This email originated from outside our

Ignite configuration using .NET Thick client

Hi Pavel, Need to understand one thing from you. Am using .NET thick client. What's the best way to put the Ignite configuration . Should this be put on code or in spring xml. If we put on code and lets say I need 4 nodes as part of cluster then do I ne

RE: Ignite configuration using .NET Thick client

HUzLHQuAzSc=&u=http://satyajit.mandal.barclays.com> via user mailto:user@ignite.apache.org>> wrote: Hi Pavel, Need to understand one thing from you. Am using .NET thick client. What’s the best way to put the Ignite configuration . Should this be put on code or in spring xml.

RE: Ignite configuration using .NET Thick client

ess? Or multiple processes on the same machine? What's your desired setup? Pavel On Thu, Apr 6, 2023 at 4:40 PM satyajit.mandal.barclays.com<https://clicktime.symantec.com/15sLvSJyuA6fEjRJ369u2?h=LSypiaGaE8p6-HR8_7rXGT-aHM5RsH9EHUzLHQuAzSc=&u=http://satyajit.mandal.barclays.com>

RE: Ignite configuration using .NET Thick client

2. Do you want to start 4 nodes in one process? Or multiple processes on the same machine? What's your desired setup? Pavel On Thu, Apr 6, 2023 at 4:40 PM satyajit.mandal.barclays.com<https://clicktime.symantec.com/15sLvSJyuA6fEjRJ369u2?h=LSypiaGaE8p6-HR8_7rXGT-aHM5RsH9EHUzLHQuAzSc=&u=http://satya

SQL objects in Ignite ( .NET) not showing up with JDBC drivers

Hi Pavel, When we create SQL objects ( Tables) using .NET Ignite Api they don't show up in IntellijIdea with Ignite JDBC drivers. We want to see the tables so that we can query the cache using normal Select statements using JDBC driver. Is there any alternati

RE: SQL objects in Ignite ( .NET) not showing up with JDBC drivers

in JDBC. On Mon, Apr 17, 2023 at 3:27 PM satyajit.mandal.barclays.com<https://clicktime.symantec.com/15siFABQmz4yreNgp3kzV?h=LWuZz2wR-l0xerqVBEyXEUuUAVfNfwuN0R01xD0-M0A=&u=http://satyajit.mandal.barclays.com> via user mailto:user@ignite.apache.org>> wrote: Hi Pavel, When we cre

RE: Query on External CacheStore implemented using .NET

Hi Pavel, We have implemented custom external cache store. We are running three nodes as server nodes with external cache store implemented. Now if we start a server with clientmode = true ( thick client) and do some cache operations will external cache store

Query :.NET Ignite Node deployment and Monitoring

Hi Pavel, We are planning to deploy WebApi as windows service which will start Ignite on startup. Going through the Ignite deployment documentation specific to .NET and it mentions these two options. NuGet Deployment: Single File Deployment: What's the difference betwee

RE: Query :.NET Ignite Node deployment and Monitoring

Hi Pavel, Am referring to this https://ignite.apache.org/docs/latest/restapi To enable HTTP connectivity, make sure that the ignite-rest-http module is enabled. If you use the binary distribution, copy the ignite-rest-http module from IGNITE_HOME/libs/optional/ to the IGNITE_HOME/libs folde

RE: Query :.NET Ignite Node deployment and Monitoring

=&u=https://ignite.apache.org/docs/latest/restapi> Regards Satyajit From: satyajit.mandal.barclays.com via user Sent: Wednesday, May 3, 2023 10:31 AM To: ptupit...@apache.org Cc: user@ignite.apache.org Subject: RE: Query :.NET Ignite Node deployment and Monitoring CAUTION: This email

Ignite nodes not joining cluster and logs not moving

Hi Pavel, We have deployed two instances of .NET WebApi in two servers and hosted the same as windows service. We started both the instances running in two different machine. However we see that on startup they are not joining the cluster and ignite logs are not movin

.NET Ignite server nodes not joining cluster using TcpDiscoveryStaticIpFinder

: satyajit.mandal.barclays.com via user Sent: Saturday, May 6, 2023 8:42 PM To: user@ignite.apache.org; ptupit...@apache.org Subject: RE: .NET Ignite server nodes not joining cluster using TcpDiscoveryStaticIpFinder CAUTION: This email originated from outside our organisation - user@ignite.apache.org

RE: .NET Ignite server nodes not joining cluster using TcpDiscoveryStaticIpFinder

corrected the TCPDiscoverySpi code and it worked.In LocalAddresses provided local node IP and under TcpDiscoveryStaticIpFinder added remote node IP and current IP. Regards Satyajit From: satyajit.mandal.barclays.com via user mailto:user@ignite.apache.org>

RE: .NET Ignite server nodes not joining cluster using TcpDiscoveryStaticIpFinder

Hi Team, Issue is fixed. There was issue with my TcpDiscoveryStaticIpFinder setup. Regards Satyajit From: satyajit.mandal.barclays.com via user Sent: Tuesday, May 9, 2023 10:05 AM To: user@ignite.apache.org Subject: RE: .NET Ignite server nodes not joining cluster using

TLS/SSL using Ignite .NET Nodes

Hi Team, Do we have any example for TLS/SSL settings for Thick server node ( .NET). Can we provide below protocol for .NET server node too? var factory = new SslContextFactory(); factory.TrustStoreFilePath = "C:\\Cert\\trust.jks"; factory.KeyS

RE: TLS/SSL using Ignite .NET Nodes

Hi Team, Below configuration works with .NET nodes. Thanks Satyajit From: Mandal, Satyajit: IT (PUN) Sent: Tuesday, May 30, 2023 7:10 PM To: user@ignite.apache.org Subject: TLS/SSL using Ignite .NET Nodes Hi Team, Do we have any example for TLS/SSL settings for Thick server n

Monitoring Ignite .NET Nodes.

Hi Pavel, Question 1. If we are running Ignite as .NET nodes can we activate the cluster using control scripts and monitor the same using Visor tools which comes with Ignite distribution? Can you provide the steps if yes. Question 2. Can we use System views using

RE: Monitoring Ignite .NET Nodes.

Hi Pavel, I have hosted Ignite as usual windows service and not using Ignite distribution . Ignite is embedded to my .net core windows service and java libraries are installed as part of Apache.Ignite Nuget package. So now how will visor and control script will conne

Data consistency in Ignite and BackUp Filter in Ignite .net node

Hi Pavel, We are running 6 node cluster with Active Active setup. 3 nodes in one Datacenter and 3 in another datacenter with external cache store enabled for some caches and native persistence enabled for others. Now if we want to setup backup = 1 for in memor

RE: Data consistency in Ignite and BackUp Filter in Ignite .net node

Hi Pavel, Thanks for below Info. I need one more clarification regarding data consistency and your views. We have a microservice based architecture where one service will update/insert the cache cluster and notify other service to read data from cache in real time w

Expiry Policies Ignite cache

Hi Pavel, What does this code mean as per example. My requirement is that cache should expire based on ModifiedTime but this below example is not clear? I need cache to get expired lets say if modified time is > 5 days how that can be achieved. https://ignit

RE: Expiry Policies Ignite cache

Hi Pavel, Is this the right syntax for cache expiry for Modifiiedtime > 5 days ? public class CacheExpiryPolicyFactoryImpl : IFactory { public IExpiryPolicy CreateInstance() { return new ExpiryPolicy(null, TimeSpan.FromDays(5), null);

RE: Expiry Policies Ignite cache

Hi Stephen, Could you please confirm if this is right way for setting expiry policy of Modified time > 5 days ? Regards Satyajit From: Mandal, Satyajit: IT (PUN) Sent: Tuesday, July 4, 2023 4:48 PM To: Pavel Tupitsyn ; user@ignite.apache.org Subject: RE: Expiry Policies Ignite cache

Cannot find schema for object with compact footer

Hi Team, Why we get this interim error while loading heavy tables with persistence enabled? Apache.Ignite.Core.Common.JavaException: javax.cache.CacheException: class org.apache.ignite.IgniteCheckedException: Cannot find schema for object with compact footer ---> (Inner Exception #

Query regarding Generic Entity Framework Cache Store.

Hi Pavel, Do you have the example code which calls the generic entity framework cache store. In the example mentioned here I don't see the generic entity framework cache store getting called. Can you share the code through which you tested the generic entity framew

Query regarding Ignite .NET Authentication and Authorization

Hi Pavel, We have a requirement where we are loading static data into Ignite cache as SQL tables using Ignite .NET library. As per document we can enable authentication if persistence is enabled for one data region. How can we extend the security in Ignite .NET to author

Query regarding JVM and GC settings with Ignite .NET

Hi Pavel, Have query regarding JVM and GC settings. If my data region has requirement of 20 GB ( MAX size) then we will need to set -Xmx as more than 20G? We faced Java.lang.outofMemory exception so wanted to confirm abt the JVM tuning? https://ignite.apache.org/

RE: Query regarding JVM and GC settings with Ignite .NET

Hi Pavel, Can you please confirm if below explanation in post is correct https://stackoverflow.com/questions/52977420/how-to-set-off-heap-or-on-heap-memory-in-apache-ignite In your case, you're committing more memory to Ignire than you have. You commit 12GB off-heap + 15GB heap = 27GB, wh

RE: Query regarding JVM and GC settings with Ignite .NET

Hi Pavel, Can you please confirm if below explanation is correct in stackoverflow regarding offheap and onheap settings. https://stackoverflow.com/questions/52977420/how-to-set-off-heap-or-on-heap-memory-in-apache-ignite In your case, you're committing more memory to Ignire than you ha

Read Through and WriteThrough and Native Persistence + Ignite .NET

Hi Pavel Can we do a setting where we enable Native Persistence as well as ( ReadThrough = true and WriteThrough = true) and save data in disk as well as in External cachestore. And after cache restart we don't do initial loading from external cache store and ta

RE: Read Through and WriteThrough and Native Persistence + Ignite .NET

Hi Pavel, Yes did try but it is not saving in external cachestore with below settings. Its only persisting in disk. Regards Satyajit From: Pavel Tupitsyn Sent: Thursday, September 7, 2023 8:34 PM To: Mandal, Satyajit: IT (PUN) Cc: user@ignite.apache.org Subject: Re: Read Throu

External Cache Store + Ignite .NET

Hi Pavel, What is the setting for asynchrous write to external cache store using Ignite .NET Api? Do you have any sample code? Regards Satyajit Barclays Execution Services Limited registered in England. Registered No. 1767980. Registered office: 1 Churchill Place, London, E

RE: External Cache Store + Ignite .NET

Hi Pavel, Do we need to set all these properties for it to work. When I am debugging I can’t see its writing anything to external cachestore. How can we test this to confirm it works with minimum setting? WriteBehindEnabled = true ReadThrough = true WriteThrough = tr

RE: External Cache Store + Ignite .NET

Hi Pavel, It works by setting WriteBehindEnabled = true and WriteThrough = true. Regards Satyajit From: Mandal, Satyajit: IT (PUN) Sent: Tuesday, September 26, 2023 8:04 PM To: Pavel Tupitsyn Cc: user@ignite.apache.org Subject: RE: External Cache Store + Ignite .NET Hi Pavel, Do we n

RE: Ignite .NET Embedded service

Hi Team, Looks like network issues. [07:08:08,077][WARNING][tcp-disco-msg-worker-[6abb2741 10.87.81.219:47500]-#2%ignite-instance-a85ef7fd-cfb9-494a-abde-b7e870a1145d%-#79%ignite-instance-a85ef7fd-cfb9-494a-abde-b7e870a1145d%][TcpDiscoverySpi] Node is out of topology (probably, due to short

RE: Data consistency in Ignite and BackUp Filter in Ignite .net node

Hi Pavel, We did testing with BackUp = 1 and with WriteSynchronizationMode as PrimarySync as well as FullSync we found that when we are stopping one node and comparing the count we observed that count of cache size is not matching. There is minimal difference.

RE: Data consistency in Ignite and BackUp Filter in Ignite .net node

Hi Pavel, I am using JMX Metrics to count the cache entries. Regards Satyajit From: Pavel Tupitsyn Sent: Wednesday, December 6, 2023 11:34 AM To: Mandal, Satyajit: IT (PUN) Cc: user@ignite.apache.org Subject: Re: Data consistency in Ignite and BackUp Filter in Ignite .net node CAUTI

RE: Data consistency in Ignite and BackUp Filter in Ignite .net node

Hi Pavel, The cluster consist of some caches using Native persistence and some caches connected to external cache store. BackUp = 1 is set for every cache. I checked the count of cache connected to external cache store once it was prepopulated and then stoppin

Ignite Write Behind + .NET + External Cache Store

Hi Pavel, Under Write Behind = true setting does Ignite will try to save data from backup node( partition) if lets say one node crashes while writing into external cache store? Document says if node crashes then some data can be lost from saving into external ca

Ignite Text Query in .NET

Hi Pavel, We have observed that when one node went down and we restarted the node , Ignite Text query didn't return full set of data. However when we checked the cache count it was as expected. Is this observation correct that Lucene index is not copied to RAM of resta

RE: Ignite Text Query in .NET

Hi Pavel, Will it work if we don’t restart the node and cluster is setup with backup = 1. I mean will lucene index will have backup copy? Regards Satyajit From: Pavel Tupitsyn Sent: Monday, February 12, 2024 11:36 AM To: Mandal, Satyajit: IT (PUN) Cc: user@ignite.apache.org S

Question regarding text search in ignite

Hi Pavel/Team, Is the below explanation holds good from your side. Need some confirmation on highlighted line in yellow. We are not using Native persistence. Our cluster is in memory with external cache store enabled. https://stackoverflow.com/questions/70232020/ignite-

DataModelling in Ignite .NET with Inheritance.

Hi Pavel, Do we have any working example with Parent and Derived class data model being saved in Ignite ?. Regards Satyajit Barclays Execution Services Limited registered in England. Registered No. 1767980. Registered office: 1 Churchill Place, London, E14 5HP Barclays Execution Se

Ignite Long JVM Pause Count

Hi Pavel, We are observing LongJVMPause count and LongJVMPauseTotalDuration higher on some nodes compared to other nodes in the cluster. Are we missing any settings or this is expected behaviour. Thanks Satyajit Barclays Execution Services Limited registered in England. Regis

Ignite .NET + CDC replication using Kafka

Hi Pavel, How can we achieve replication from Ignite .NET cluster to another Ignite .NET cluster as backup using Kafka as middleware? This is needed for resiliency test for Ignite cluster where we shutdown one cluster and move all application service to backup clu

RE: Ignite .NET + CDC replication using Kafka

Thanks Pavel. Is this feature available in Ignite .NET ? Can you share the sample example? https://ignite.apache.org/releases/latest/dotnetdoc/api/Apache.Ignite.Core.Cache.Affinity.Rendezvous.ClusterNodeAttributeAffinityBackupFilter.html Regards Satyajit From: Pavel Tupitsyn Sent: Wed

Tracing in Ignite .NET

Hi Pavel, How can we achieve Tracing using Ignite .net where Ignite is hosted as a .NET service. Could not find any example from .NET perspective. https://ignite.apache.org/docs/latest/monitoring-metrics/tracing Can we use OpenTelemetry Nuget packages which can provide similar res

Self manageemnt script ( Control Scripts) + Ignite .NET Clusters

Hi Pavel, How can we prevent self-management scripts ( Control scripts) to join the cluster which has TLS/SSL enabled. Currently without certificates it is able to join the cluster though TLS/SSL is enabled in Ignite .NET Cluster. Is there any setting on server nodes whic

RE: Self manageemnt script ( Control Scripts) + Ignite .NET Clusters

Hi Pavel, Under this [3] https://ignite.apache.org/docs/latest/net-specific/net-configuration-options#configure-with-spring-xml

Querying bulk data using cache keys in Ignite .NET

Hi Pavel, Can you advise which is the optimum way to Query 1 million record if we have 1 million cache keys available. Shall we use GetAll and pass all 1 million keys or it should be queried in batches. Performance is important. Thanks Satyajit Barclays Execution

Affinity Keys in Ignite .NET for joining more than two caches

Hi Pavel, I have lets say three below caches and want to join using Affinity key for these three caches so that data is collocated . So how affinity key needs to be built for Employee Cache and Organization Cache so that Employee Cache, Oganization Cache and DepartmentCach

RE: Ignite 2.17 .NET error on startup.

field type > > Found no solution so far. > > > > Ethan > > > > > > From: satyajit.mandal.barclays.com via user > Sent: Wednesday, 2 April 2025 05:15 > To: ptupit...@apache.org > Cc: user@ignite.apache.org > Subject: Ignite 2.17 .NET error on startup. > > >

RE: Ignite 2.17 .NET error on startup.

> > org.apache.ignite.binary.BinaryObjectException: Unexpected field > > type > > > > Found no solution so far. > > > > > > > > Ethan > > > > > > > > > > > > From: satyajit.mandal.barclays.com via user > > Sent: Wednesday, 2 Ap

Ignite 2.17 .NET error on startup.

Hi Pavel, We were upgrading the Apache Ignite package to 2.17 and we encountered below error. This is not happening with Ignite 2.16 Nuget package. Java version installed is ( openjdk 11.0.16.1 2022-08-12 LTS OpenJDK Runtime Environment Microsoft-40648 (build 11.0.16.1+1-LTS) OpenJ

RE: Query on AutoBaseLine Topology in .NET embedded service

Hi Stephen, Can you advise here. Also can we increase the default timeout( baselineAutoAdjustTimeout) to lets say 3 hrs before baseline autoadjustment kicks in to avoid such issues? If any nodes crashes and if it takes some time to do action and restart that node it will avo

RE: Query on AutoBaseLine Topology in .NET embedded service

 Hi Stephen, Can you advise here. Also can we increase the default timeout( baselineAutoAdjustTimeout) to lets say 3 hrs before baseline autoadjustment kicks in to avoid such issues? If any nodes crashes and if it takes some time to do action and restart that node it will

RE: Query on AutoBaseLine Topology in .NET embedded service

Hi Pavel, It works most of time. Sometimes it doesn't work. The node joins the cluster but baseline toplogy doesn't changes. So need to know what are the options here to resolve this and get the baselinetopology updated? Regards Satyajit Restricted - External -Original Messag

RE: Query on AutoBaseLine Topology in .NET embedded service

Hi Pavel, The log says this df505-355c-4b5a-9c77-431b299761b2%][GridClusterStateProcessor] Local node is not included in Baseline Topology and will not be used for data storage. Use control.(sh|bat) script or IgniteCluster interface to include the node to Baseline Topology. Can you explai

RE: Query on AutoBaseLine Topology in .NET embedded service

Hi Stephen, We are not changing the baseline topology. We observed in some occasion when we are restarting the crashed node after certain time the ignite log shows df505-355c-4b5a-9c77-431b299761b2%][GridClusterStateProcessor] Local node is not included in Baseline Topology and will not

Query on AutoBaseLine Topology in .NET embedded service

Hi Pavel, We are running ignite cache in embedded mode in .NET service with persistence enabled.We have enabled SetBaselineAutoAdjustEnabledFlag to true in one of the node . When we start the cluster having 6 nodes it sets AutoBaseLine. Now lets say if one node goes down an