Scouting howto collecting and analyzing sensor data with Hadoop or other NOSQL databases
2014-09-10
Tags: #spark
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Parsing qliksense healthcheck api results
2021-09-15 | #python #qliksense #spark
Abstract When you do a stress test/troubleshooting of a qliksense node it is useful to collect the responses of the healthcheck api and extract some useful info from them (which and how many applications were loaded in memory, …)
Analyzing huge sensor data in near realtime with Apache Spark Streaming
2015-11-25 | #apache #bigdata #iot #pensource #spark
For this demo I downloaded and installed Apache Spark 1.5.1 Suppose you have a stream of data from several (industrial) machines likeMACHINE,TIMESTAMP,SIGNAL1,SIGNAL2,SIGNAL3,... 1,2015-01-01 11:00:01,1.0,1.1,1.2,1.3,.. 2,2015-01-01 11:00:01,2.2,2.1,2.6,2.8,. 3,2015-01-01 11:00:01,1.1,1.2,1.3,1.3,. 1,2015-01-01 11:00:02,1.0,1.1,1.2,1.4,. 1,2015-01-01 11:00:02,1.