Care and Feeding of Catalyst Optimizer

Created with glancer

SQL Catalyst Optimizer. being in the wrong end realized that I was trying never fix at the wrong end
AI Group in Bloomberg, large clusters in the cloud
does in Apache Spark, problem with that app, planning is the problem?
about all of the green spaces very simple schema inference thing about Spark SQL is, barrier to entry is, see?
like SQL, SQL, right? running the application
SQL turn into something fashion across a cluster.
of time to come back, is what takes you from to run on the cluster.