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Questions tagged [apacheignite]

70 questions
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Failed to connect to Remote Ignite Node

I have multiple service and one service is master one which is use to create and get cache . I have one server node , I run all my service on different server on same VPC, my all other service use master service for cache operation . when I up my…
Ritvik Rohatgi
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Apache Ignite - Automatic Cluster Snapshot Create / Restore Procedure

When trying the Apache Ignite cluster snapshot procedure (snapshot create, restore), the restore operation is not successful. Before the restore procedure, we have destroyed the cache which we want to restore (according to the official…
cookie_marsh
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All Cache Operation failed

I am using ignite for caching in my system when I am using single ignite node and restart my server or services it work fine but when I am using multiple ignite node and restarting the server or services it show all cache operation failed. how to…
Ritvik Rohatgi
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JVM will be halted immediately due to the failure: SYSTEM_WORKER_TERMINATION - Failed to find security context for subject with given ID

I'm observing strage failures of our Apache Ignite cluster. Ignite version is 2.13.0 running with "OpenJDK 64-Bit Server VM Zulu11.52+13-CA (build 11.0.13+8-LTS, mixed mode)". The cluster consists of 3 baseline server nodes, persistance enabled.…
Sven Borkert
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Can't able to connect my service to ignite cluster

i have two servers A and B and my service s. Ignite node running on server A. when i run my service on server B first and then on Server A my both instance of service connect smoothly but when i run my service on server A first and then on B it show…
Ritvik Rohatgi
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pyignite - performance issue

I made a speed comparison of retrieving data from Apache Ignite using several methods. All records are in one table, I did not use any WHERE condition, only a SELECT * FROM TABLE XYZ LIMIT 20000. Test results are: Apache Ignite Apache Ignite REST…
Dren Butković
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Apache Ignite RPM Repo

the Apache Ignite documentation on https://ignite.apache.org/docs/latest/installation/deb-rpm points to https://www.apache.org/dist/ignite/rpm (redirects to) https://apache.jfrog.io/ui/native/ignite-rpm/ as the official RPM repository. When I create…
Sven Borkert
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Ignite Cluster has trouble with larger latency between nodes

Is there any benchmarking about what is an acceptable latency between nodes for an Ignite cluster to function stably? We are currently having a single cluster across AZ's (same region). The AZ latency by the cloud provider is ~0.4-1ms. What we have…
Victor
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Partitioned cache behavior when insufficient number of nodes are available

I am using Apache Ignite (v2.14.0) in a Kubernetes environment with pods connected over ClusterIP. I am curious about the behaviour of Partitioned caches when number of backups is greater than the number of available nodes. When I configure caches,…
Bhavesh Chand
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High resident memory on client nodes

We are using Ignite 2.13. We are seeing very high resident memory on client nodes. Below is our configuration, We are running both client & server nodes with 4Gb heap. On-heap is not turned on(i.e. default). No persistent is configured native or…
Victor
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Performant Distributed Locking

I am evaluating the best approach to distributed locking. The oob reentrant locking support in Ignite is tied to the thread that acquires locks. Our requirements need locking and unlocking not tied to the same thread/process, one thread/process can…
Victor
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How to load updated java class on a existing Ignite cluster?

I have a Ignite cluster of 2 or more nodes (max of 4) in server mode. Let's say I have an Ignite cache defined by Java class called Employee (let's say this is version 1) loaded and used. If I update this Employee class with a new member field…
Chris
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First 10 long running transactions

I have a fairly small cluster of 6 nodes, 3 client, and 3 server nodes. Important configurations, storeKeepBinary = true, cacheMode = Partitioned (some caches's about 5-8, out of 25 have this as TRANSACTIONAL) AtomicityMode = Atomic backups =…
Victor
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Replication across AZ

We have a 6-node cluster setup in which 3 server nodes are spread across 3 availability zones and each zone also has a client node. All is set up in a Kubernetes-based service. Important configurations, storeKeepBinary = true cacheMode =…
Victor
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Affinity Backup Filter

Trying to set up an affinity backup filter. Most of the bits are clear and I am following the details outlined here -…
Victor
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