Yuanbo Liu created HDFS-16201: --------------------------------- Summary: Select datanode based on storage type Key: HDFS-16201 URL: https://issues.apache.org/jira/browse/HDFS-16201 Project: Hadoop HDFS Issue Type: Improvement Reporter: Yuanbo Liu Assignee: Yuanbo Liu
Since storage policy was introduced into hdfs, it would be useful if hdfs client could choose datanode of replica based on storage type priority when reading. The priority should be RAM_DISK > SSD > DISK > ARCHIVE. Here is the process graph !https://iwiki.woa.com/download/attachments/979566104/image2021-8-31_20-23-24.png?version=1&modificationDate=1630412605000&api=v2! -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org