What alternate way does HDFS provides to recover data in case a Namenode, without backup, fails and cannot be recovered?
20If I create a folder in HDFS, will there be metadata created corresponding to the folder? If yes, what will be the size of metadata created for a directory?
20What is a block in Hadoop HDFS? What should be the block size to get optimum performance from the Hadoop cluster?
23Post New Apache HDFS Hadoop Distributed File System Questions
What is the throughput?
What is the optimal block size in HDFS?
Can multiple clients write into a Hadoop HDFS file concurrently?
Which classes are used by the hive to read and write hdfs files?
Why is HDFS only suitable for large data sets and not the correct tool to use for many small files?
How data or file is written into HDFS?
Differentiate HDFS & HBase?
What is throughput in HDFS?
How does HDFS ensure Data Integrity of data blocks stored in HDFS?
How HDFS client divide the file into the block while storing inside HDFS?
Replication causes data redundancy then why is is pursued in HDFS?
If data is present in HDFS and RF is defined, then how can we change Replication Factor?
Since the data is replicated thrice in hdfs, does it mean that any calculation done on one node will also be replicated on the other two?
Explain what is a difference between an input split and hdfs block?
How does a client read/write data in HDFS?
