DataStax Enterprise is big data platform consisting of open source tools such as Apache Cassandra, Solr, Spark, Tinkerpop and more.
Questions tagged [datastax-startup]
184 questions
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Generic VS Specific model in Cassandra?
Quite long post so let’s start with some context:
Weather data have a central role in our architecture. A weather data is mainly composed of five values:
Temperature
Rain
Global Radiation
Wind (direction, speed)
Relative Humidity
But we could also…
mlardeur
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LOCAL_ONE and unexpected data replication with Cassandra
FYI. We are running this test with Cassandra 2.1.12.1047 | DSE 4.8.4
We have a simple table in Cassandra that has a 5,000 rows of data in it. Some time back, as a precaution, we added monitoring on each Cassandra instance to ensure that it has…
Matthew O'Riordan
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DataStax OpsCenter cloud configuration connection timeout with getting AWS VPC and availability zones
While configuring the OpsCenter first time and after clicking "Add Datacenter", it fails to obtain the VPC and availability zones using AWS secure credentials. I have made sure that port 8888 is open, AWS credentials work (using CLI) and the timeout…
Raaj Ashtaputre
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Using Composite Key in DSE4.8 spark streaming
can anybody share example in java with composite primary key in spark sql to save data in Cassandra. With CQL I can do it easily. But what i am doing is inside a spark job which stream time series data from Kafka stream and saving it to cassandra as…
Krishna Kumari
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