[HDFS-11928] Segment overflow in FileDistributionCalculator

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.0.0-alpha3
• Fix Version/s: 2.9.0, 3.0.0-alpha4
• Component/s: tools
• Labels: easyfix
• Hadoop Flags: Reviewed
• Flags: Patch
• Assignee: LiXin Ge
• Reporter: LiXin Ge
• Created: 05/Jun/17 10:44
• Updated: 24/Apr/18 20:52
• Resolved: 05/Jun/17 20:22

Description

When run hdfs oiv command to analyse a fsimage file with FileDistribution processor,
the range segment of file size get overflowed:

(1.98 GB, 1.98 GB] 2
(1.98 GB, 1.99 GB] 4
(1.99 GB, -2 GB] 7
(2 GB, -1.99 GB] 7
(2.02 GB, -1.98 GB] 2
(2.02 GB, -1.97 GB] 9
(2.03 GB, -1.96 GB] 5
(2.04 GB, -1.95 GB] 11
(2.05 GB, -1.95 GB] 4

this patch fixs this problem.