Showing posts with label drill. Show all posts
Showing posts with label drill. Show all posts
Friday, January 31, 2020
Thursday, November 28, 2019
Monday, September 16, 2019
Friday, January 11, 2019
Friday, November 16, 2018
Wednesday, September 5, 2018
Thursday, July 19, 2018
Thursday, May 4, 2017
Friday, October 7, 2016
Friday, September 30, 2016
Friday, September 2, 2016
Friday, July 29, 2016
Thursday, July 7, 2016
Friday, July 1, 2016
Tuesday, June 28, 2016
Friday, June 3, 2016
Wednesday, May 4, 2016
Tuesday, April 26, 2016
Friday, February 26, 2016
Thursday, February 25, 2016
Subscribe to:
Posts (Atom)
Popular Posts
-
Many commands can check the memory utilization of JAVA processes, for example, pmap, ps, jmap, jstat. What are the differences? Before we ...
-
Hive table contains files in HDFS, if one table or one partition has too many small files, the HiveQL performance may be impacted. Sometime...
-
This article shows a sample code to load data into Hbase or MapRDB(M7) using Scala on Spark. I will introduce 2 ways, one is normal load us...
-
Hive is trying to embrace CBO(cost based optimizer) in latest versions, and Join is one major part of it. Understanding join best practices ...
-
This is a cookbook for scala programming. 1. Define a object with main function -- Helloworld. object HelloWorld { def main(args: Array...
-
Goal: How to build and use parquet-tools to read parquet files. Solution: 1. Download and Install maven. Follow below link: http://...
-
Goal: This article explains the configuration parameters for Oozie Launcher job.
-
Goal: How to control the number of Mappers and Reducers in Hive on Tez.
-
Goal: This article research on how Spark calculates the Decimal precision and scale using GPU or CPU mode. Basically we will test Addition/S...
-
Env: PostgreSQL or Greenplum Symptom: COPY from a file into a table fails with error: ERROR: invalid byte sequence for encoding "...