[HDFS-12609] Ozone: SCM: Refactoring of chill mode logic in NodeManager

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: HDFS-7240
• Component/s: ozone
• Assignee: Nandakumar
• Reporter: Nandakumar
• Created: 06/Oct/17 19:57
• Updated: 26/Apr/18 21:54
• Resolved: 09/Oct/17 12:46

Description

As per the discussion in HDFS-12467, this jira is for refactoring chill mode logic in SCM's NodeManager.

The following methods will be supported to manipulate chill mode status of SCM

• forceExitChillMode - will bring SCM out of chill mode (both startup and manual)
• enterChillMode - will set manual chill mode flag to true
• exitChillMode - will set manual chill mode flag to false
• getChillModeStatus - will return chill mode status string
• isOutOfChillMode - will return true if SCM is out of chill mode, else false