Coding Leetcode You tube channel Neetcode Blind 75 list Leetcode compiled list: easy and medium Company label question SQL problems [Read More]

I always like song Reflection from Mulan. [Read More]

New Year Resolution: Be Brave and Embrace Changes

Spark Tuning and Cluster Sizing Whether dynamic allocation is on, even with dynamic allocation, executor size needs to be determined Some core settings spark.driver.memory spark.executor.memory spark.executor.cores driver core = 1 in client mode, core can be set in cluster mode Memory Overhead executor overhead = spark.yarn.executor.memoryOverhead driver (cluster mode) =... [Read More]