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Questions tagged [fiware]

FIWARE is an open cloud-based infrastructure for creation and delivery of Internet applications and services.

FIWARE API specifications are public and royalty-free, driven by the development of an open source reference implementation which accelerates the availability of products and services.

Creation of a sustainable innovation ecosystem around FIWARE is materialized through FIWARE Lab, a working instance of FIWARE enabling free experimentation with the technology.

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Fiware Orion: Geolocation Filters for Subscriptions

I am aware that you can queryContext Orion using geolocation filters. Is it possible to do a similar filtering in a subscription scenario? In other words, could I be notified of changes on the attributes of a context entity, only when the possition…
eversor
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Fiware Orion context Broker Out of Memory Issue

I have deployed Orion Context Broker v0.20 on OpenStack - CentOS 6.5 with 4GB RAM | 2 VCPU | 5.0GB Disk. It works as expected until the multi-threaded HTTP request (for 100 users) test with Apache JMeter 2.13. The service shuts down with; Out of…
Cem Pancar
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How to configure the Fiware PEP WILMA proxy to use a Keyrock and Orion instance on my own servers

I've spent most of the day trying to configure the Fiware PEP proxy Wilma to secure an Orion Context Broker i have running on a development server. The documentation here:…
Robin
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FIWARE Orion and user data management vs mysql database

I was asked to create a backend server for storing and managing user information data, specifically using Orion Context Broker. How can Orion help me avoid using my own database (for example a local sql)? I'm new to FIWARE Orion, and as far as I've…
venge
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Failing to connect to Orion Context Instance through NGSI Updater Widget

I have a running instance of the Orion Context Broker GE in a CentOS 6.5 server. Apparently it's working fine: I can make REST queries through a web REST Client, make entities with updateContext operation and retrieve information about them with…
Gabriel
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Automatic creation of the hive tables on cosmos

I have an Orion context broker and i use cygnus(0.6) to send data to my cosmos account. Cygnus creates correctly the txt file with the data on my cosmos, but it does not create the tables for hive. I would query my data through an hive client. Is…
Antonio Caristia
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How to do rtmp streaming in kurento media server?

I was just wondering if there is any feature like RTMP in Kurento Media Server . I need it to stream my vod content . Any ideas ? anyhow RTP can be used for it ? Thanks Pawan
Pawan Rawat
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Subscription from an Orion Context Broker to another Orion Context Broker doesn't work

I have created a new Orion instance on fi-lab in order to connect it to a CEP instance managed with us too. The data, which is going to be stored on my Orion instance, has to be provided by the existent Orion Instance located on…
tataogg
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How to configure system to use the FIWARE yum repository?

I know that FI-WARE offers a public yum repository at http://repositories.testbed.fiware.org/ that can be used to install FI-WARE packages such as Orion contexto Broker. However, how can I configure my system to use that repository? E.g. which .conf…
fgalan
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Cosmos HttpFS file format

Actually, I'm sending data to Cosmos via Cygnus. The Cosmos directory where Cygnus put the data is, for example, /user/myUser/mysetdata. I've created my hive table with this columns: recvTimeTs, recvTime, entityId, entityType, attrName, attrType,…
JosepB
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Send Orion Context Broker 0.13.0 entities to Cosmos using Cygnus

I'm using Cygnus to send data to cosmos. When there's a entity subscription to the context broker, in the JSON message you have to specify the event or trigger when the attribute of the entity have to be updated or sent to Cygnus. In the Cygnus…
JosepB
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How to extend default partition after creating an VM instance?

I created a Centos x64 VM instance with a 12GB disk using the FI-WARE cloud. I can access it with not problem and I have started installing software. However, the default created partition /dev/vda1 is only 5GB and I have already filled it. I would…
grcanosa
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Differences in query logs when read by STH-Comet caused by Cygnus version upgrade

I am investigating Cygnus and STH-Comet and would like to know the impact of the Cygnus version upgrade. I have created an environment with the following docker-compose.yml. And, I have switched the Cygnus version in the commented out section to…
ctc-watanabe
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How to send massive data of sensors in Orion

Let's suppose to have 100 sensors that send an attribute any second to Orion. How could I manage this massive data? via batch operation (but I don't know if it can support them) using an edge (to aggregate data) and sending to Orion (after 1…
pasquy73
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Notify python orion/quantumleap subscription changes

Is there any way to get notified in python when a Quantumleap o Orion subscription fires for a changed value?
drypatrick
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