[HADOOP-12925] Checks for SPARC architecture need to include 64-bit SPARC

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.7.2
• Fix Version/s: 3.0.0-alpha1
• Component/s: conf

Environment

64-bit SPARC

• Assignee: Alan Burlison
• Reporter: Alan Burlison
• Created: 15/Mar/16 14:13
• Updated: 11/Jul/18 19:48
• Resolved: 25/May/16 22:28

Description

FastByteComparisons.java and NativeCrc32.java check for the SPARC platform by comparing the os.arch property against "sparc". That doesn't detect 64-bit SPARC ("sparcv9"), the test should be "startsWith", not "equals"

Issue Links

• causes: HADOOP-15598 DataChecksum calculate checksum is contented on hashtable synchronization