• Tableau Performance Recipes

    After multiple Tableau projects delivered, we see more and more of the same problems and same fixes. Patterns repeat. Thus we decided to publish a blog with Tableau Best practice. This blog is specifically for performance best practice. We will keep it as compact as possible so reader can get right to the core. Data Bring in only the data needed for analysis. Consider adding a data source filter or using an extract.
  • Tableau Ask Data

    Simplifying analytics with natural language With Ask Data, anyone can easily ask questions of their data regardless of expertise. It is available at no extra charge as part Tableau’s newest release, Tableau 2019.1. Ask Data interprets the intent behind ambiguous and vague questions to give you accurate results. You can continuously refine your question as you explore your data, then share the findings with others as a Tableau workbook.
  • Spark and Qlik Integration

    Steps: Start Spark Thrift Server on Datastax Cluster $ dse -u cassandra -p <password> spark-sql-thriftserver start --conf spark.cores.max=4 --conf spark.executor.memory=2G --conf spark.driver.maxResultSize=1G --conf spark.kryoserializer.buffer.max=512M --conf spark.sql.thriftServer.incrementalCollect=true Enable Qlik Server’s Security Group on AWS to access port 10000 (basically from qlik, need to connect to thrift server port 10000) Install Simba ODBC Driver for Spark on the Qilk Windows EC2 Instance Create System DSN as follows: