Ramzy

Ramzy has asked 1 questions and find answers to 18 problems.

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Lead Hadoop Engineer

Ramzy questions

How to tune spark executor number, cores and executor memory?

Ramzy answers

Monitoring Apache Spark Logs and the Dynamic App/Driver logs
Spark + Yarn: How to retain logs of lost-executors
Spark Streaming - Restarting from checkpoint replays last batch
Hbase Java API Example
How can we decide the total no. of buckets for a hive table
Rows with identical keys
hadoop 2.4.0 streaming generic parser options using TAB as separator
Pyspark read multiple csv files into a dataframe (OR RDD?)
More efficient way to loop through PySpark DataFrame and create new columns
Spring Security NoClassDefFoundError