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Questions tagged [fiware-cosmos]

Cosmos is an implementation of the Big Data GE, allowing the deployment of private computing clusters based on Hadoop ecosystem.

References

Fiware Cosmos

72 questions
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HTTPBadRequestException: orion/0.19.0 libcurl/7.19.7 user agent not supported and Cosmos HttpFS response: HTTP/1.1 401 Unauthorized

Good afternoon, I'm trying to configure persistence of Orion Context's in the cosmos HDFS. So far I have created a Orion Context Broker Instance (orion-psb-image-R4.2), created a Cosmos user account and the folder 'cardio' inside it…
pschydlo
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Use cygnus Cosmos with oAuth

I received an email that says that we must now use OAuth to use cosmos. Is the old behavior is maintained ?, ie, without using oauth?
Juanvi Bolufer
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Error at defining a specific field in a Hive Query

I have an Orion Context Broker connected with Cosmos by cygnus. It works ok, I mean I send new elements to Context Broker and cygnus send them to Cosmos and save them in files. The problem I have is when I try to do some searchs. I start hive, and I…
Jon Mikel Alonso
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Fiware Cosmos. Difficulties accessing my own cosmos content

I have problems accessing my own content in cosmos. For example I can't change perms hadoop fs -chmod -R a+rwx /user/[myuser]/[myfolder] changing permissions of…
Victor
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Error while launching "hive" command in shell

When I try to run the "hive" command from the shell I get the following error: 'Exception in thread "main" java.io.IOException: Mkdirs failed to create /tmp/hadoop-USERNAME/hadoop-unjar1448268252380539144 at …
sbrahma
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Fiware Orion + Cosmos: Subscription failed - Timeout was reached trying to notify a PC that belongs to the same network

I have a scenario on a Citrix Xenserver server with 3 virtual machines (VM) Centos7 on the same network (10.0.1.0/24). Each VM are responsible to give a prediction done with Apache Spark on Scala (Logistic Regression). I use Orion Context broker…
mdyagual
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cosmos setup fiware map reduce thrwing error

I am working on cosmos setup on fiware lab and installed cosmos-tidoop, cosmos-gui, cosmos-auth . I want to do map reduce work in cosmos tidoop for which I am following this guide as…
damini chopra
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how Fiware Global global cosmos instance subscribe to my Orion

I have created a Global Cosmos account and successfully executed Map Reduce Job example.Now I want to execute a simple Usecase using my Orion. I have created a private Orion instance in Fiware-lab.Now, how Global cosmos instance can subscribe to my…
Vishal Manchanda
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Examples on how to use FIWARE Sinfonier to analyse NGSI data streams

Since few months a Sinfonier/Storm installation is available as part of FIWARE Cosmos. I would suppose that, in the same way there is a way to pass and process NGSI data in the Hadoop backend, there should be one in Sinfonier / Storm. Unfortunately…
Federico Michele Facca
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Fiware Cosmos Hive connection with Python

I´m trying to send Hive queries to Fiware Cosmos using the following Python code: with pyhs2.connect(host='cosmos.lab.fiware.org',port=10000, authMechanism="PLAIN", …
Cgv
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User HDFS quota management in Cosmos

As far as we know, each Cosmos user in the FIWARE Lab (cosmos.lab.fiware.org) has a maximum of 5GB available in HDFS. Nevertheless we are getting a DSQuotaExceededException when running our map-reduce Hadoop jobs in spite of the data generated by…
rbarriuso
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Error connecting with hive, to a cosmos server of fiware

I can't connect via hive to cosmos server in PHP with: // Load this lib require_once __DIR__ . '/php-thrift-sql-master/ThriftSQL.phar'; // Try out a Hive query $usuario="user@user"; $clave="pass"; $hive = new \ThriftSQL\Hive(…
Rafael amor ball
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Unable to use custom Mapreduce jar files in Cosmos

I created my own Mapreduce jar file and tested in the Cosmos' old Hadoop cluster successfully using the HDFS shell commands. The next step was to test the same jar in the new cluster, so I uploaded it to the new cluster's HDFS, to my home folder…
McMutton
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General starter Hadoop/ Spark fiware-cosmos questions

I have some general questions about fiware-cosmos, apologies if they are basic but Im trying to understand the architecture and use of cosmos. I saw that you are planning to integrate Apache Spark into Cosmos ? Do you have a road map or date for…
Mike Frampton
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Error while trying to run a MapReduce job on FIWARE-Cosmos using Tidoop REST API

I am following this guide on Github and I am not able run the example mapreduced job mentioned in Step 5. I am aware that this file no longer exists: /usr/lib/hadoop-mapreduce/hadoop-mapreduce-examples.jar And I am aware that the same file can now…
McMutton
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