[HDFS-14263] Remove unnecessary block file exists check from FsDatasetImpl#getBlockInputStream()

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.1.1
• Fix Version/s: 3.3.0, 3.2.1, 3.1.3
• Component/s: datanode
• Assignee: Surendra Singh Lilhore
• Reporter: Surendra Singh Lilhore
• Created: 09/Feb/19 18:05
• Updated: 13/Feb/19 19:10
• Resolved: 13/Feb/19 18:30

Description

As discussed in HDFS-10636, FsDatasetImpl#getBlockInputStream() doing unnecessary block replica exist check.

Issue Links

• is related to: HDFS-10636 Modify ReplicaInfo to remove the assumption that replica metadata and data are stored in java.io.File.