[HDFS-12613] Native EC coder should implement release() as idempotent function.

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.0.0-beta1
• Fix Version/s: 3.0.0
• Component/s: erasure-coding
• Target Version/s: 3.0.0
• Assignee: Lei (Eddy) Xu
• Reporter: Lei (Eddy) Xu
• Created: 07/Oct/17 00:08
• Updated: 17/Oct/17 03:03
• Resolved: 17/Oct/17 02:50

Description

Recently, we found native EC coder crashes JVM because NativeRSDecoder#release() being called multiple times (HDFS-12612 and HDFS-12606).

We should strength the implement the native code to make release() idempotent as well.

Issue Links

• relates to: HDFS-12606 When using native decoder, DFSStripedStream#close crashes JVM after being called multiple times.
• relates to: HDFS-12612 DFSStripedOutputStream#close will throw if called a second time with a failed streamer