[HBASE-6725] Check and Put can fail when using locks

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Cannot Reproduce
• Affects Version/s: 0.90.4
• Component/s: master

Environment

tested on mac os x

• Assignee: Unassigned
• Reporter: Nicolas Thiébaud
• Created: 06/Sep/12 15:44
• Updated: 14/Jun/22 17:51
• Resolved: 16/Nov/16 22:16

Description

When multiple threads race using CAP with and a lock on the same row, several instances may be allowed to update the cell with the new value (although the expected value is different).
If all threads race with a wrong expected value and a lock, none will be able to update.