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Questions tagged [distributed-caching]

Distributed caching is a cache implementation that uses caches spread across different networked hosts.

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WebSphere propagating changes to customized cache across all servers in a cluster

Food We are using WAS 7.0, with a customized local cache in a clustered environment. In our application there is some very commonly used (and very seldomly updated) reference information that is retrieved from the database and stored in a…
Alpha123
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Infinispan Distributed mode clustered-cache-quickstart

Hello everyone I am new to Infinispan and I have some questions in regards to distributed mode and quickstarts provided in infinispan/infinispan-quickstart · GitHub in particular clustered-cache-quickstart. First of all, as far as I understand…
DonatasD
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AppFabric 1.1 Security Between the Connection of Cache Host-Cluster

I was wondering how can I disable the secure connection between cache host and cluster. I am using XML based config and I couldn't find any source for this. In default it is secure but it is not important for me so I want to disable it. Any help is…
dgknrdm
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Hadoop DistributedCache caching files without absolute path?

I am in the process of migrating to YARN and it seems the behavior of the DistributedCache changed. Previously, I would add some files to the cache as follows: for (String file : args) { Path path = new Path(cache_root, file); URI uri = new…
cobralucha
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Is there a way to view data stored using httpcontext.current.cache

I am using httpcontext.current.cache to store data in-memory for my ASP.NET application. 1. I just want to monitor what data is captured on Cache and how much memory used. Can I view this using IIS or any tools available? 2. Is the data stored on…
crazy coding
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Distributed Caching Systems - Purpose?

Am really new to the concept of caching and I need some guidance on What is the purpose of a web based cache (such as ehCache or memcache)? As far as I can see, they are used for temporary storage, but why would anyone want to store some data…
PacificNW_Lover
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How to get updated data in a DHT? IE, dealing with timestamp keys

I have a distributed application where I need to get updated information from other clients, continuously. The only solution I can think of is to make timestamp based keys, so that updates/puts to the DHT would be of the form: [long millis, data] So…
dessalines
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Clustered cache in Grails 2.4.x

I need suggestions on cache clustering for Grails at the most recent version I can get. I've been trying to set up Terracotta with Grails 2.4.4 but I can't manage to find a compatible version of its plugin (by the way, the Terracotta plugin page…
Douglas Mendes
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Unable to configure locking / transaction attributes

Im trying to configure a infinispan 7.0.0 cluster with distributed caches and some detailed configuration. From the Config details in http://docs.jboss.org/infinispan/7.0/configdocs/infinispan-config-7.0.html you can see that its possible to have a…
Hannes
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Java web application short lived caching

I need to develop a Spring web application that needs to query a legacy system based on certain criteria (location). In order to reduce the load on the legacy system we wanted to extract data every 30 seconds for all locations in a single query and…
user3600073
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FileNotFoundException but the file exists

I'm getting this exception in Hadoop while trying to read file that was added to distributed cache, and the strange thing is that the file exists on the given location java.io.FileNotFoundException: File does not exist:…
Kobe-Wan Kenobi
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Distributed files using GenericOptionsParser and ToolRunner

I used to run hadoop mapreduce using (This uses GenericOptionsParser) hadoop jar app.jar app -files /home/some/file#file However in the recent version of hadoop I am getting Hadoop command-line option parsing not performed. Implement the Tool…
Joel
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when to use distributed hash table instead of a "traditional" hash table?

Can anyone give me some intuitive examples? I have seen a bunch of notes but still could not get the "point" and advantage of "distributed hash table" compared to a simple traditional hash table. Thanks!
yvetterowe
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ideas for a distributed cache proxy server

I am implementing, a distributed cache proxy server.I have an idea of the HTTP and related stuff, so i am rather concentrating on the sub part "Distributed data storage". From some search on web i found that this could be done using Distributed Hash…
sud03r
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Map Reduce Distributed Cache

I am not able to compile my DriverClass at the job.waitforcompletion(boolean) clause.It gives me a NoClassFoundException.If I catch the exception ,the run method throws the error that its expecting a int value.I am using MapReduce New API.Could…
pranaygoyal02
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