questions/big-data-hadoop
Hi@akhtar, By default, the block size is 64MB ...READ MORE
Hey, This Hadoop fs command appends single sources ...READ MORE
This command should be executed in MySQL ...READ MORE
Maybe you don't have the install point ...READ MORE
Hey, Data in Hive tables reside on HDFS, ...READ MORE
Hi@akhtar, HDFS follows Write Once Read Many times ...READ MORE
I would recommend you to use FileSystem.rename(). ...READ MORE
Hi. You can connect Sqoop to MySql ...READ MORE
Suppose you need to load this in ...READ MORE
Checkpoint Node keeps track of the latest ...READ MORE
Try this instead: select from_unixtime(unix_timestamp()); If you have an ...READ MORE
The NameNode and the JobTracker are single ...READ MORE
In hadoop v2.7.1, if you open the ...READ MORE
Seems like hadoop path is missing in java.library.path. ...READ MORE
The Secondary namenode is mainly used as a ...READ MORE
Hi@akhtar, You can copy files from your local ...READ MORE
COUNT is part of pig LOGS= LOAD 'log'; LOGS_GROUP= ...READ MORE
The issue that you might be getting ...READ MORE
Hey, As the error suggested that you have ...READ MORE
Hey, Yes, Hbase is known to be a ...READ MORE
job.setOutputValueClass will set the types expected as ...READ MORE
To find this file, your HADOOP_CONF_DIR env ...READ MORE
import commands hdir_list = commands.getoutput('hadoop fs -ls hdfs: ...READ MORE
First you have to have the file ...READ MORE
Hi. This is the code I used ...READ MORE
Definition: HUE is an open-source SQL Cloud Editor, ...READ MORE
Name nodes: hdfs getconf -namenodes Secondary name nodes: hdfs getconf ...READ MORE
You can spolve this by adding below ...READ MORE
Hey, Yes, you can rename a table in ...READ MORE
Hi, You need to create your own customize ...READ MORE
Try this: val text = sc.wholeTextFiles("student/*") text.collect() ...READ MORE
Hey, Creating children is similar to creating new ...READ MORE
Hi@akhtar, Here you have to add the below ...READ MORE
Hey, The suspend option suspends a workflow job in RUNNING status. After ...READ MORE
I think you have upgraded CDH. This ...READ MORE
We have to use Sqoop-HCatalog Integration here. ...READ MORE
Spark is capable to Perform in three ...READ MORE
Please run below mentioned command. It will ...READ MORE
First of all, COBOL is a programming ...READ MORE
Hi, Yes, you can do it by using ...READ MORE
Let me explain you it briefly. So, ...READ MORE
Hi@akhtar, Before starting Hbase Shell, make sure you ...READ MORE
Well, it's so easy. Just enter the below ...READ MORE
You have to start JobHistoryServer process specifically ...READ MORE
Hi@sivachandran, You can monitor the metrics of your ...READ MORE
For avro you can follow the format ...READ MORE
Hello @Hemanth, the error String or binary data ...READ MORE
The entries in your .bashrc file looks ...READ MORE
You can do the following method, copy to ...READ MORE
Hi, I can see the error arose because the count ...READ MORE
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