[UIMA-5611] UIMA-DUCC: Agent fails to kill a child process sometimes

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.2.2-Ducc
• Component/s: DUCC
• Assignee: Jaroslaw Cwiklik
• Reporter: Jaroslaw Cwiklik
• Created: 10/Oct/17 16:49
• Updated: 13/Oct/17 13:22
• Resolved: 13/Oct/17 13:22

Description

Improve detection of child processes which fail to stop after kill -9 was sent. If kill -9 is sent by an agent while a child process is experiencing an OOM, the signal is not acted upon and the process remains running.
An agent should retry kill -9 on regular basis (configured in ducc.properties) if a process is still standing after kill -9.