[HDFS-14977] Quota Usage and Content summary are not same in Truncate with Snapshot

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.3.0
• Hadoop Flags: Reviewed
• Assignee: Hemanth Boyina
• Reporter: Hemanth Boyina
• Created: 11/Nov/19 14:15
• Updated: 04/Mar/20 18:36
• Resolved: 04/Mar/20 18:13

Description

steps : hdfs dfs -mkdir /dir

           hdfs dfs -put file /dir          (file size = 10bytes)

           hdfs dfsadmin -allowSnapshot /dir

           hdfs dfs -createSnapshot /dir s1 

space consumed with Quotausage and Content Summary is 30bytes

           hdfs dfs -truncate -w 5 /dir/file

space consumed with Quotausage , Content Summary is 45 bytes

           hdfs dfs -deleteSnapshot /dir s1

space consumed with Quotausage is 45bytes and Content Summary is 15bytes