Cleaning up after dying control groups
Cleaning up after dying control groups
[Kernel] Posted May 7, 2019 0:31 UTC (Tue) by corbet
Control groups are a useful mechanism for managing resource usage in the system, but what happens when the control groups themselves become a resource problem? In a plenary session at the 2019 Linux Storage, Filesystem, and Memory-Management Summit, Roman Gushchin described problems he has been facing with deleted control groups that take their time before actually going away. Some of these problems have been fixed, but the issue has not been truly resolved.