Limit for Namenode Quantity

0 votes
Assuming the size of one name node to be 32 GB, How many files can I store in a single name node?
Jul 25, 2019 in Big Data Hadoop by nitinrawat895
• 10,920 points
30 views

1 answer to this question.

0 votes
Each file Schema = 150bytes  

Block schema for the file=150bytes

1million files each with 1 block will consume=300*1000000=300000000bytes =300MB provided with a replication factor of 1.

And with a replication factor of 3, it requires 900MB.

For every 1GB you can store 1million files.
answered Jul 25, 2019 by ravikiran
• 4,600 points

Related Questions In Big Data Hadoop

0 votes
1 answer

Hadoop: Can not start namenode: Unable to load native-hadoop library for your platform

The entries in your .bashrc file looks ...READ MORE

answered Dec 5, 2018 in Big Data Hadoop by Omkar
• 69,020 points
820 views
0 votes
1 answer

Setting user limit for Hbase?

Hey, Because HBase is a database, it opens ...READ MORE

answered May 29, 2019 in Big Data Hadoop by Gitika
• 34,050 points
53 views
0 votes
2 answers

How to set properties for secondary namenode in Hadoop?

Secondary NameNode in HDFS Secondary NameNode in Hadoop ...READ MORE

answered Mar 31 in Big Data Hadoop by anonymous
124 views
+1 vote
2 answers

Failed to restart Hadoop namenode using cloudera quickstart

You can use Cloudera Manager to manage ...READ MORE

answered Mar 19, 2018 in Big Data Hadoop by kurt_cobain
• 9,310 points

edited Jun 8 by MD 1,593 views
+1 vote
1 answer

Hadoop Mapreduce word count Program

Firstly you need to understand the concept ...READ MORE

answered Mar 16, 2018 in Data Analytics by nitinrawat895
• 10,920 points
5,530 views
0 votes
1 answer

hadoop.mapred vs hadoop.mapreduce?

org.apache.hadoop.mapred is the Old API  org.apache.hadoop.mapreduce is the ...READ MORE

answered Mar 16, 2018 in Data Analytics by nitinrawat895
• 10,920 points
818 views
+1 vote
11 answers

hadoop fs -put command?

put syntax: put <localSrc> <dest> copy syntax: copyF ...READ MORE

answered Dec 7, 2018 in Big Data Hadoop by Aditya
34,318 views
–1 vote
1 answer

Hadoop dfs -ls command?

In your case there is no difference ...READ MORE

answered Mar 16, 2018 in Big Data Hadoop by kurt_cobain
• 9,310 points
2,079 views
0 votes
1 answer

Can I use Amazon Web Services for free?

If you would like to use AWS ...READ MORE

answered Apr 25, 2019 in Big Data Hadoop by ravikiran
• 4,600 points
82 views
0 votes
1 answer

Hadoop Warning: Unable to load Native-Hadoop Library for your platform.

Are you sure you're running Hadoop on 32bit ...READ MORE

answered May 28, 2019 in Big Data Hadoop by ravikiran
• 4,600 points
330 views