questions/big-data-hadoop
Here is a simple code demonstrate the ...READ MORE
You have to start JobHistoryServer process specifically ...READ MORE
A Zero reducer as the name suggests ...READ MORE
For accessing Hadoop commands & HDFS, you ...READ MORE
I had the same problem. And not ...READ MORE
Here's another link from Hadoop which may ...READ MORE
Hi@akhtar, To configure the Hadoop Client, you need ...READ MORE
Hey, Yes, Hbase is known to be a ...READ MORE
No, you can run spark without hadoop. ...READ MORE
Hi You can find the facebook 'API' from ...READ MORE
Spark is capable to Perform in three ...READ MORE
Seems like the output file already exists. ...READ MORE
MapReduce in Hadoop maintains some built-in counters ...READ MORE
Hi@shresht, This is just a warning. Did you ...READ MORE
Hey, Data in Hive tables reside on HDFS, ...READ MORE
Well, it's so easy. Just enter the below ...READ MORE
The NameNode and the JobTracker are single ...READ MORE
A value with a wrong datatype causes ...READ MORE
SELECT hash_id, COLLECT_LIST(num_of_cats) AS ...READ MORE
You can use the hdfs command: hdfs fs ...READ MORE
We have to use Sqoop-HCatalog Integration here. ...READ MORE
Hi, You can check this out: 1. Delete all ...READ MORE
Hi@Shilpa, I don't think you have given permission ...READ MORE
I am not sure about the issue. ...READ MORE
hdfs dfsadmin -report This command tells fs ...READ MORE
Hi@akhtar, You can change the default block size ...READ MORE
Hi, I can see the error arose because the count ...READ MORE
Hi. You can connect Sqoop to MySql ...READ MORE
Hi@B, There may be several reasons behind this. ...READ MORE
You will have to exclusively mention the ...READ MORE
For avro you can follow the format ...READ MORE
Hi@akhtar, I think you missed to add below property ...READ MORE
Let me explain you the whole scenario Reducer ...READ MORE
Hey, list is the command that is used ...READ MORE
1)Family Delete Marker- This markers marks all ...READ MORE
As far I can make out from ...READ MORE
Please use the below command to solve ...READ MORE
sudo service mysqld restart mysql -u <username> root ...READ MORE
I would recommend you to install Cent ...READ MORE
Hadoop put & appendToFile only reads standard ...READ MORE
Hi, You can simply run the following commands ...READ MORE
You can spolve this by adding below ...READ MORE
First of all, COBOL is a programming ...READ MORE
I am Running hadoop jobs in local ...READ MORE
Hadoop archive is a facility which packs ...READ MORE
Hey, Yes, you can rename a table in ...READ MORE
FileSystem needs only one configuration key to successfully ...READ MORE
Velocity refers to the speed at which ...READ MORE
Hi@akhtar, I think your Datanodes are not in ...READ MORE
Hi, My table has created_date, changed_date in datetime ...READ MORE
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