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dont watch .mount cgroups

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This commit is contained in:
David Ashpole 2018-06-14 10:17:50 -07:00
parent 9373cb25c0
commit bc7e1cbb4f
1 changed files with 5 additions and 0 deletions
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5
manager/watcher/raw/raw.go
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@ -110,6 +110,11 @@ func (self *rawContainerWatcher) Stop() error {
// Watches the specified directory and all subdirectories. Returns whether the path was
// already being watched and an error (if any).
func (self *rawContainerWatcher) watchDirectory(events chan watcher.ContainerEvent, dir string, containerName string) (bool, error) {
// Don't watch .mount cgroups because they never have containers as sub-cgroups. A single container
// can have many .mount cgroups associated with it which can quickly exhaust the inotify watches on a node.
if strings.HasSuffix(containerName, ".mount") {
return false, nil
}
alreadyWatching, err := self.watcher.AddWatch(containerName, dir)
if err != nil {
return alreadyWatching, err