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Install Postgres
Before You Begin Steps Before You Begin If you have already installed a MySQL database, you may skip these steps. You must install Postgres 9.5 or later for SAM and Schema Re... -
Collections
_.at(collection, [index]) Arguments Returns Example _.contains(collection, target, [fromIndex=0]) Aliases Arguments Returns Example _.countBy(collection, [callback=identit... -
Spark Configuration
Catalogs configuration Using Mixed-Format in a standalone catalog Using Mixed-Format in session catalog The high availability configuration Catalogs configuration Using Mixe... -
7.5 Fold all code blocks but show some initially
If code blocks in the output document are potentially distracting to readers, you may choose to fold them initially. Readers can then choose to display them by clicking the fold b... -
Solution for Big Result Sets
Incremental collection Use in single connections Change incremental collection mode in session Typically, when a user submits a SELECT query to Spark SQL engine, the Driver cal... -
Array
_.chunk(array, [size=1]) Since Arguments Returns Example _.compact(array) Since Arguments Returns Example _.concat(array, [values]) Since Arguments Returns Example ... -
Kinit Auxiliary Service
Installing and Configuring the Kerberos Clients Kerberos Ticket Configurations Further Readings Kinit auxiliary service is a critical service both for authentication between K... -
Collect Information
Before deploying a cluster, you should collect the following information: The fully qualified domain name (FQDN) of each host in your system. The Ambari Cluster Install wizard s... -
Chaining
_(value) Arguments Returns Example _.chain(value) Arguments Returns Example _.tap(value, interceptor) Arguments Returns Example _.prototype.chain() Returns Example _... -
About the Authors
Yihui typed out most of the words in this book, which is the only justification for him being the “first” author. Christophe has made substantial contribution to this book by help...
