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Questions tagged [gridgain]

GridGain is a High Performance In-Memory Platform that enables processing of terabytes of data, in-memory, on 1000s of computers, in less than a second. (Source GridGain.com)

GridGain In-Memory Data Fabric is Java-based middleware for in-memory processing of big data in a distributed environment. It is based on high performance in-memory data platform that integrates world’s fastest MapReduce implementation with In-Memory Data Grid technology delivering easy to use and easy to scale software. Using GridGain you can process terabytes of data, on 1000s of nodes in under a second.

GridGain typically resides between business, analytics or BI applications and long term data storage such as RDBMS (e.g. Oracle, MySQL, etc), ERP, or Hadoop HDFS, and provides in-memory data platform for high performance, low latency data processing and computations.

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Apache Ignite Continuous query Cache Transactions

We are using a continuous query to transfer data across all clients nodes. However we have a scaling grid so we often run into issue where data node keeps trying to connect to client to send the data from continuous query which has already scaled…
Lokesh
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Apache Ignite's Mixed-Platform Clusters limitation and Data Streaming

We are analyzing ignite to use it in .NET platform, In Ignite document we can see there is some limitation on running cluster in Java and Thin Client in .NET. The list provided in the document doesn't mention about "Data Streaming". So would like to…
Sriyas
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Java OOMs on ignite server nodes although onheap enabled

In our project we are currently (still) using Apache Ignite 2.81. We are currently facing OOMs on server nodes when multiple clients are simultaneously fetching the content of a specific cache. So far, we thought the reason is that the data is…
User0000
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GridGain node cannot be in one cluster with Ignite node

I was running local ignite(8.7.21) server in local below is the confirmation log that ignite server is up and running. however when I'm trying to connect from Java client facing below issue any idea ? local server log: Topology snapshot [ver=11,…
coder999
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Ignite search query not returning results after Cluster restart with native persistence enabled

We are using GridGain Community edition : 8.8.10 and have created Ignite Cluster in Kubernetes using the Apache Ignite operator. We have enabled native persistence also. https://ignite.apache.org/docs/latest/installation/kubernetes/gke-deployment In…
dassum
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Submit ignite compute jobs to ignite grid from thick client

I started one ignite server node with peer class loading enabled and started another one in client mode and it connected to server node. I verified it by looking at topology snapshot. Next I tried to submit compute job from client to server node.…
curious_soul
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Gridgain : Requesting mapping from grid failed for platformId

I have 3 node gridgain cluster deployed in google kubernetes engine. Time to time I got following error for caches. After recreating cache error not appear. java.lang.ClassNotFoundException: Requesting mapping from grid failed for [platformId=0,…
Nuwan Sameera
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GridGain Server partition loss

We have 3 node Gridgain server and there are 3 client nodes deployed in GCP Kubernetes engine. Cluster is native persistence enabled. Also as shutdown policy. There is one backup for each cache.…
Nuwan Sameera
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Apache Ignite: How to get cached item without affinity key

I have two caches, one is for Person and another is for Company objects, By specifying the Person.Id as the key and Person.CompanyId as the affinity key. personCache.Put(new AffinityKey(p1.Id, p1.CompanyId), p1); companyCache.Put(c1.Id, c1); Is it…
csharpdev
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deploy control-center gridgain for ignite

I have an ignite cluster and I try to add a control center of gridgain according to their documentation: https://www.gridgain.com/docs/control-center/latest/installation/kubernetes(see deployment.yaml below) but I keep getting this error $ kubectl…
NoamiA
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Apache Ignite Off Heap memory filling up

We have the following ignite cluster setup configuration: Apache Ignite version : 2.7.5 Ignite persistence is enabled (true) 2 node cluster in partitioned mode RAM - 210 GB per node  JVM xms and xmx 20G Off Heap Memory Max: 120GB Number of records…
User_Targaryen
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Ignite TcpDiscoverySpi fails with Critical system error with SocketTimeout due to 'accept loop for ServerSocket[addr=0.0.0.0/0.0.0.0..'

With Ignite 2.7.6 when trying to bring up an embedded ignite server node (in a spring boot app) on a docker bridge network with simple configuration the server start up fails with the below error, [10:16:16] Ignite node started OK…
lmk
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Apache Ignite Persistence Issues/Warnings

We are running a write-intensive load test on Apache Ignite. We are also doing reads. We are getting the following warning messages from sys-stripe threads quite often after a few hours of testing. DB Config -> RAM - 8GB, CPU cores - 64, Persistence…
RSSAH
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Composite key in Ignite

I've created a Ignite table via defining two columns as primary key (PK). When I tried to insert the data its failing with duplicate key error. PK defined on type and id column. 0: jdbc:ignite:thin://node1.example.com> insert into balance…
sandipbhowmik
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Gridgain console load balance

I have Gridgain three node cluster and also running Gridgain web console agent and web console on all three nodes. It is all hosted on Windows Server. I would like to load balance My web console. The problem is I don't know how to share user…
Andy Johnson
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