How to handle HDFS blocks with corrupted replicas or under replicated Posted on December 25, 2019, updated on January 30, 2023 by Yannick JaquierTable of contents Preamble Managing under replicated blocks Managing blocks with corrupted replicas References Continue reading
Fetch Zookeeper information from Python with Kazoo to connect Hive Posted on October 25, 2019, updated on October 22, 2019 by Yannick JaquierTable of contents Preamble Kazoo development environment installation Python source code Kazoo testing References Continue reading
HDFS capacity planning computation and analysis Posted on August 30, 2019, updated on April 22, 2024 by Yannick JaquierTable of contents Preamble HDFS capacity planning first estimation HDFS snapshot situation After delete of HDFS snapshot References Continue reading
HDFS balancer options to speed up balance operations Posted on July 5, 2019, updated on May 6, 2024 by Yannick JaquierTable of contents Preamble HDFS Balancer References Continue reading
JournalNode Web UI time out critical error on port 8480 Posted on June 7, 2019, updated on April 17, 2024 by Yannick JaquierTable of contents Preamble JournalNode Web UI time out resolution References Continue reading
YARN command line for low level management of applications Posted on May 10, 2019, updated on May 6, 2024 by Yannick JaquierTable of contents Preamble Problematic situation and YARN command line first trial YARN command line to the rescue References Continue reading