Piotr Kołaczkowski questions

Piotr Kołaczkowski answers

• Cassandra insert performance using spark-cassandra connector
• Get possible array combinations
• B-Tree for on-disk storage
• Java Application Windows vs Mac OS X
• Spark with Cassandra input/output
• Add the least amount of characters to make a palindrome
• at scala project, compiler error - Cannot resolve symbol List?
• Spark saveAsTextFile() results in Mkdirs failed to create for half of the directory
• Logic to strategically place items in a container with minimum overlapping connections
• Why is my Cassandra node stuck with MutationStage increasing?