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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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Clarification around creating / destroying caches

I'm trying to understand how the lifecycles of caches and regions are managed for the client-server model. I see that RegionFactory has a createRegion(String name) method. Does this handle region lifecycles on the servers or just create an…
RJ Nowling
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For a JSON usecase how to add a field to a PDXInstance

A customer of mine is storing JSON documents into GemFire and would like to add fields to existing JSON documents by manipulating the PDXInstance to save unnecessary serialization costs. I was looking at the API and it does not look like there is a…
Vinay Upadhya
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How to know Gemfire/Geode cluster size from the client

I want to know the Gemfire/Geode cluster size (number of members in the ds) from the clients. What is the simplest way to know this. We can get this using Function Service, but i am looking for the easier solution.
Rahul Diyewar
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GemfireXD RowLoader is not working, connection not being to established to external database

I am working on JDBCRowLoader.. I followed all the instructions, running below attach_loader. call sys.attach_loader('app', 'cust', 'com.mohan.coe.JDBCRowLoader', '|url=jdbc:oracle:thin:@pivhdsne:1521/xe|query-string=select * from system.cust where…
Madhu Mohan Kommu
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how gemfirexd store the table data file greater than its in_memory?

i have in-memroy of 4GB.the data file iam going to load into GEMFIREXD is of 8GB. how in-memory organize the Remaining data 4 GB data.i read about EVICTION Class but i didn't get any clarification. While loading the data it copied into disk OR…
nagarjuna
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why the data is not stored in GemfireXD just like input file?

iam loading data in to GemfireXD from a file .... file contain the information like this... ID NAME 1 |John Smth 2 |Jane 3 |Paul Joes 4 |Mark Jcobs 5 |Mary Sphenson 6 |Steve oberts 7 …
nagarjuna
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Exceptions, failed deploy when using Gemfire source with SpringXD

I have the following stream definition in SpringXD: stream create dataListener --definition "gemfire --regionName=data --useLocator=true --host=lithium --port=10334 | null" --deploy But it gives me the following errors, and it marks as 'failed': …
Joaquin Torre
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GemFire Query Debugging

The following link shows how to debug the gemfire query functionality - by setting a couple of flags. I've tried this and I'm really puzzled that it doesn't work at all for me. Here's the link I'm passing them as jvm args like below:…
KumarM
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Gemfire region put

I have two different threads one of which put information into Gemfire region and another one read and remove same information from the same Gemfire region. The problem is: If the second thread is busy the first thread continued to put information…
Light Harut
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Integration tests with Cucumber using embedded GemFire for a Spring Boot application deployed in an Apache Geode client/server topology

I intend to write integration tests with Cucumber for a GemFire cache client application using Spring Boot and deployed in an Apache Geode client/server topology. I referred to the question - How to start Spring Boot app without depending on Pivotal…
pradhan
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Set up end to end Kerberos Authentication in Gemfire(Apache Geode)

I want to secure a gemfire(v9.9) cluster with kerberos authentication. I believe i have to, authenticate the client and gemfire server to KDC( active directory in my case), using JAAS and a keytab at the client get the session ticket( a byte [])…
Saurabh
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GemfireTemplate with ClientRegionShortcut.CACHING_PROXY_HEAP_LRU doesn't cache locally

clientCache.createClientRegionFactory(ClientRegionShortcut.CACHING_PROXY_HEAP_LRU) works as expected when used with a spring-cache GemfireCacheManager and caches data locally. However when the same settings is used in conjunction with…
Divs
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c# winform delegates for n subforms

I have a C# main form that opens up C# sub forms in separate tabs. Each tab is simply an instance of the same sub form so the tab code is like: SubForm sf = new SubForm(); TabPage tp = new…
rupweb
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