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Questions tagged [geode]

Apache Geode is an open source, distributed in-memory database for scale-out applications that is a top level project at The Apache Software Foundation. Apache Geode started with a 1 million code line grant by Pivotal Software of much of the Pivotal GemFire commercial code base.

Geode is a data management platform that provides real-time, consistent access to data-intensive applications throughout widely distributed cloud architectures.

Geode pools memory (along with CPU, network and optionally local disk) across multiple processes to manage application objects and behavior. It uses dynamic replication and data partitioning techniques for high availability, improved performance, scalability, and fault tolerance. Geode is both a distributed data container and an in-memory data management system providing reliable asynchronous event notifications and guaranteed message delivery.

More Details: Apache Geode

328 questions
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Can I "pin" a Geode/Gemfire region to a specific subset of servers?

We make heavy use of Geode function execution to operate on data that lives inside Geode. I want to configure my cluster so functions we execute against a certain subset of data are always serviced by a specific set of servers. In my mind, my ideal…
David Loewy
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How to find key in Gemfire

How to find inside Gemfire region, what column defined as key during data load ? List and describe is not giving required info Example i am.looking something smiler to oracke "ALL_CONSTRAINTS" where you can run following sql to find primary key …
vaquar khan
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Problem creating region and persist region to disk Geode Gemfire Spring Boot

I watched video from Springone Platform and John Blum as speaker and interested try myself in Geode/Gemfire setup but with setup as described in Spring Data for Apache Geode Reference Guide So i make spring boot geode client, locator and cache…
ars
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ClassCastException whlile accessing custom object in Geode's Function.execute() method

I am adding the custom object(Account) into Cache and then trying to access the object in the Function.execute() method. But it throws org.apache.geode.pdx.internal.PdxInstanceImpl cannot be cast to com.sas.cpm.model.Account. Custom object…
Subhash
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Spring session gemfire client - Thread contention - Blacklisting

We have made a retail solution in which session handling is taken care by Spring session .We use gemfire to maintain the session objects and use the client as spring session data gemfire client module. We had initial hookups and it was eventually up…
Fredie Thomas
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Apache Geode Locator on different boxes, start but not forming a cluster

I have already gone through the one of the post however, the recommendation was to run things in same LAN segment or may be swarm for docker Docker Geode remote locator My question is if I run 2 locator on 2 different node (VMs or Physical hardware)…
Dheeraj
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Line trimed to .. in gfsh command

I am running the below command in Unix box, it is gfsh command: $GEMFIRE_HOME/bin/gfsh -e "connect --locator=$HOST[22710]" -e "list members" | grep "coordinator" but, the catch is, if the returned members contain more than 100 characters then the…
Navdeep Singh
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Unable to connect to Locator via GFSH

I have started a GemFire Server and Locator via Spring Boot and when I try to connect to the Locator from GFSH, I getting the following issue: gfsh> connect Connecting to Locator at [host=localhost, port=10334] .. Connection refused: connect Below,…
Arunprasad
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How to serialize an object to Geode

I'm still quite new to apache geode... I currently put objects in geode region using fromData(IPdxReader) and toData(IPdxWriter) and I write/read line by line. I need to add a new object, that is hundreds of lines long. How to serialize a whole…
Edgaras
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Apache Geode GFSH list all subscriptions to a cache

Like the list durable-cqs command is it possible to list all subscriptions by key to a Geode region?
rupweb
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How to start Spring Boot app without depending on Pivotal GemFire cache

I have a Spring Boot app with a Pivotal GemFire ClientCache instance configured and its corresponding domain objects. I am also using Spring Boot Test for unit testing. For every test case execution, either through class or Maven build, Spring…
Sudharsan
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gfsh echo --string=${SYS_USER} couldn't obtain the current value of the existing variable

Useful gfsh Shell Variables says gfsh>echo --string=${VARIABLE} could obtain the current value of the existing variable. But in my environment it couldn't. e.g.: echo --string=${SYS_USER} displayed ${SYS_USER} gfsh>echo --string=$* could display a…
niaomingjian
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Apache Geode CacheListenerAdapter not working

TL;DR - Apache Geode CacheListener stops listening after the application starts. I am trying to set up a listener for Apache Geode. I have created a spring boot project with Web and JPA. I have created a listener that extends CacheListenerAdapter.…
PriyaAnil
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Apache Geode debug Unknown pdx type=2140705

If I start a GFSH client and connect to Geode. There is a lot of data in myRegion and to check through it then I run: query --query="select * from /myRegion" I am getting the response: Result : false startCount : 0 endCount : 20 Message :…
rupweb
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Not able to create a cluster in Apache Geode

I tried to create a cluster in Apache Geode by providing the hostname and ip address of the remote system in the gemfire.properties file. Somehow, I am not able to create a cluster. Can anybody please help with steps to create a cluster (including…
RIT
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