Tag - lite-log

lite-log hive

HiveServer2 Cannot Connect to Hive Metastore Resolutions/Workarounds

76   0   about 6 days ago

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...

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lite-log linux wsl ubuntu

Install Windows Subsystem for Linux on a Non-System Drive

28   0   about 9 days ago

This page shows how to install Windows Subsystem for Linux (WSL) system on a non-system drive manually. Enable Windows Subsystem for Linux system feature Open PowerShell as Administrator and run the following command to enable WSL feature: Enable-WindowsOptionalFea...

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kontext lite-log

Notification Email Address Change Notice

13   0   about 19 days ago

In the past months, this website has been using the following Email address to delivery all the notification messages to the website users such as registration confirmation email, comment email and so on. no-reply[at]kontext.tech However, I recently found that...

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angular lite-log

ng is not recognized as an internal or external command (Windows 10)

2,072   1   about 7 months ago

Problem When you follow Angular CLI installation guide in Windows, you may encounter the following error: ng is not recognized as an internal or external command The resolutions are available in the following link: ...

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java lite-log hive

Connect to Hive via HiveServer2 JDBC Driver

24   0   about 2 months ago

This post shows you how to connect to HiveServer2 via Hive JDBC driver in Java. *The way to connect to HiveServer1 is very similar though the driver names are different: Version Drive...

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Install Big Data Tools (Spark, Zeppelin, Hadoop) in Windows for Learning and Practice

1,685   4   about 2 months ago

Are you a Windows/.NET developer and willing to learn big data concepts and tools in your Windows? If yes, you can follow the links below to install them in your PC. The installations are usually easier to do in Linux/UNIX but they are not difficult to implement in Windows either since the...

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lite-log spark pyspark

Get the Current Spark Context Settings/Configurations

29   0   about 2 months ago

In Spark, there are a number of settings/configurations you can specify including application properties and runtime parameters. https://spark.apache.org/docs/latest/configuration.html Ge...

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lite-log spark pyspark hive

Read Data from Hive in Spark 1.x and 2.x

45   0   about 2 months ago

Spark 2.x Form Spark 2.0, you can use Spark session builder to enable Hive support directly. The following example (Python) shows how to implement it. from pyspark.sql import SparkSession appName = "PySpark Hive Example" master = "local" # Create Spark session with Hive...

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python lite-log spark pyspark

PySpark - Fix PermissionError: [WinError 5] Access is denied

74   0   about 2 months ago

When running pyspark or spark-submit command in Windows to execute python scripts, you may encounter the following error: PermissionError: [WinError 5] Access is denied As it’s self-explained, permissions are not setup correctly. To resolve this issue y...

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lite-log hadoop hdfs

Copy Files from Hadoop HDFS to Local

31   0   about 2 months ago

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: ...

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