HDFS - Block Pool

About

A block pool is a collection of block (on a datanode ???)

Articles Related

Management

Delete

• See the options -deleteBlockPool of dfsadmin.

hdfs dfsadmin [-deleteBlockPool datanode-host:port blockpoolId [force]]

where:

• Datanode

ID

Snpashot from the Overview of Ui

Block Pool ID:	BP-1024368518-10.10.6.28-1525360368119

Usage

Snapshot from Ui

Documentation / Reference

• https://stackoverflow.com/questions/45157724/some-datanodes-still-showing-block-pool-used-after-clearing-the-hdfs