[HDFS-7399] Lack of synchronization in DFSOutputStream#Packet#getLastByteOffsetBlock()

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 2.7.0
• Hadoop Flags: Reviewed
• Assignee: Vinayakumar B
• Reporter: Ted Yu
• Created: 14/Nov/14 21:27
• Updated: 24/Apr/15 23:22
• Resolved: 17/Nov/14 14:53

Description

    long getLastByteOffsetBlock() {
      return offsetInBlock + dataPos - dataStart;

Access to fields of Packet.this should be protected by synchronization as done in other methods such as writeTo().