Articles about Apache Hadoop installation, performance tuning and general tutorials.
local_offer hadoop local_offer yarn
This detailed step-by-step guide shows you how to install the latest Hadoop (v3.2.1) on Windows 10. It also provides a temporary fix for bug HDFS-14084 (java.lang.UnsupportedOperationException INFO).
local_offer hadoop local_offer yarn local_offer hdfs
This page summarizes the steps to install Hadoop 3.0.0 on your Windows environment. Reference page: https://wiki.apache.org/hadoop/Hadoop2OnWindows ...
local_offer hadoop local_offer linux local_offer WSL
In my previous post , I showed how to configure a single node Hadoop instance on Windows 10. The steps are not too difficult to follow if you have Java programming backgr...
local_offer hadoop local_offer yarn local_offer hdfs
Previously, I summarized the steps to install Hadoop in a single node Windows machine. Install Hadoop 3.0.0 in Windows (Single Node) In this page, ...
local_offer hadoop local_offer hive
If you have been following my website, you would know I’ve published a number of articles about installing big data tools/framewo...
local_offer hadoop local_offer hive local_offer WSL
Previously, I demonstrated how to configured Apache Hive 3.0.0 on Windows 10. Apache Hive 3.0.0 Installation on Windows 10 Step by Step Guide...
local_offer lite-log local_offer hive
Since Hive 3.x, new authentication feature for HiveServer2 client is added. When starting HiveServer2 service (Hive version 3.0.0), you may encounter errors like: ‘HiveServer2 metastore.RetryingMetaStoreClient: RetryingMetaStoreClient trying reconnect as [username] (auth:S...
local_offer SQL Server local_offer hive
In one of my previous post, I showed how to configure Apache Hive 3.0.0 in Windows 10. Apache Hive 3.0.0 Installation on Windows 10 Step by Step Guide ...
Copy Files from Hadoop HDFS to Local
local_offer lite-log local_offer hadoop local_offer hdfs
Copy file from HDFS to local Use the following command: hadoop fs [-copyToLocal [-f] [-p] [-ignoreCrc] [-crc] <src> ... <localdst>] For example, copy a file from /hdfs-file.txt in HDFS to local /tmp/ using the following command: ...
local_offer lite-log local_offer hadoop
Solution to fix the issue If you have been running Hadoop on Windows machines, you may encounter issues about unhealthy data nodes. Usually this will happen if there is no enough disk space in your local drive. For example, if I start the HDFS and YARN demons under the context...
