[HADOOP-7009] MD5Hash provides a public factory method that creates an instance of MessageDigest

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.22.0
• Fix Version/s: 0.22.0
• Component/s: io
• Hadoop Flags: Reviewed
• Assignee: Hairong Kuang
• Reporter: Hairong Kuang
• Created: 26/Oct/10 21:26
• Updated: 12/Dec/11 06:19
• Resolved: 28/Oct/10 18:50

Description

MD5Hash has a private way of creating a MessageDigest object that's thread local. I'd like to have such a method which is public so that checksuming fsimage (HDFS-903) could use it.

Issue Links

• blocks: HDFS-903 NN should verify images and edit logs on startup