0
$\begingroup$

According to Hortonworks

HDFS has demonstrated production scalability of up to 200 PB of storage and a single cluster of 4500 servers, supporting close to a billion files and blocks.

what does "blocks" mean in this post?

Improve this question
$\endgroup$

1 Answer 1

Reset to default
1
$\begingroup$

Essentially yes but the size is very different. A hard drives default block size is 512 bytes but Hadoops default block size is 128 Megabytes.

Hadoop also replicates blocks to maintain integrity of the data.

Improve this answer
$\endgroup$

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct.

Not the answer you're looking for? Browse other questions tagged or ask your own question.