Temporary videoeditor files get not deleted

Since upgrading our distributed MH cluster to 1.6.1, we see several new directories on the shared storage (on NFS) in the root directory: [ root@mh1 storage_prod]# ll total 99 drwxrwx---. 58 matterhorn matterhorn 58 Apr 29 08:29 . drwxr-xr-x. 4 root root 4096 Jan 29 2014 .. drwxr-xr-x. 2 matterhorn matterhorn 2 Apr 14 17:28 6401816 drwxr-xr-x. 2 matterhorn matterhorn 2 Apr 14 18:53 6402358 drwxr-xr-x. 2 matterhorn matterhorn 2 Apr 15 09:45 6402574 drwxr-xr-x. 2 matterhorn matterhorn 2 Apr 15 10:28 6402576 drwxr-xr-x. 2 matterhorn matterhorn 2 Apr 15 10:51 6402577 drwxr-xr-x. 2 matterhorn matterhorn 2 Apr 16 15:27 6403567 drwxr-xr-x. 2 matterhorn matterhorn 2 Apr 16 14:18 6403568 drwxr-xr-x. 2 matterhorn matterhorn 2 Apr 17 08:30 6404451 drwxr-xr-x. 2 matterhorn matterhorn 2 Apr 17 10:18 6404660 drwxr-xr-x. 2 matterhorn matterhorn 2 Apr 20 08:51 6404885 drwxr-xr-x. 2 matterhorn matterhorn 2 Apr 20 08:49 6404886 drwxr-xr-x. 2 matterhorn matterhorn 2 Apr 20 09:16 6404887 drwxr-xr-x. 2 matterhorn matterhorn 2 Apr 20 13:50 6406393 drwxr-xr-x. 2 matterhorn matterhorn 2 Apr 20 13:39 6406394 drwxr-xr-x. 2 matterhorn matterhorn 2 Apr 21 08:46 6406910 drwxr-xr-x. 2 matterhorn matterhorn 2 Apr 21 08:37 6406911 drwxr-xr-x. 2 matterhorn matterhorn 2 Apr 21 10:37 6407887 drwxr-xr-x. 2 matterhorn matterhorn 2 Apr 21 10:58 6407889 drwxr-xr-x. 2 matterhorn matterhorn 2 Apr 21 10:38 6407932 drwxr-xr-x. 2 matterhorn matterhorn 2 Apr 21 14:04 6408625 drwxr-xr-x. 2 matterhorn matterhorn 2 Apr 21 17:36 6408987 drwxr-xr-x. 2 matterhorn matterhorn 2 Apr 22 07:29 6409373 drwxr-xr-x. 2 matterhorn matterhorn 2 Apr 22 07:33 6409374 drwxr-xr-x. 2 matterhorn matterhorn 2 Apr 22 11:35 6410176 drwxr-xr-x. 2 matterhorn matterhorn 2 Apr 22 11:57 6410181 drwxr-xr-x. 2 matterhorn matterhorn 2 Apr 23 07:20 6410885 drwxr-xr-x. 2 matterhorn matterhorn 2 Apr 23 07:17 6410914 drwxr-xr-x. 2 matterhorn matterhorn 2 Apr 23 08:58 6410925 drwxr-xr-x. 2 matterhorn matterhorn 2 Apr 23 11:41 6412353 drwxr-xr-x. 2 matterhorn matterhorn 2 Apr 23 13:47 6412365 drwxr-xr-x. 2 matterhorn matterhorn 2 Apr 23 14:12 6412480 drwxr-xr-x. 2 matterhorn matterhorn 2 Apr 24 08:52 6413651 drwxr-xr-x. 2 matterhorn matterhorn 2 Apr 24 08:48 6413652 drwxr-xr-x. 2 matterhorn matterhorn 2 Apr 24 09:02 6413653 drwxr-xr-x. 2 matterhorn matterhorn 2 Apr 27 08:48 6416901 drwxr-xr-x. 2 matterhorn matterhorn 2 Apr 27 08:51 6416902 drwxr-xr-x. 2 matterhorn matterhorn 2 Apr 27 14:32 6417600 drwxr-xr-x. 2 matterhorn matterhorn 2 Apr 27 14:39 6417856 drwxr-xr-x. 2 matterhorn matterhorn 2 Apr 28 08:09 6418567 drwxr-xr-x. 2 matterhorn matterhorn 2 Apr 28 08:00 6418568 drwxr-xr-x. 2 matterhorn matterhorn 2 Apr 28 08:51 6418569 drwxr-xr-x. 2 matterhorn matterhorn 2 Apr 28 14:10 6420454 drwxr-xr-x. 2 matterhorn matterhorn 2 Apr 29 07:03 6421440 drwxr-xr-x. 2 matterhorn matterhorn 2 Apr 29 07:21 6421441 drwxr-xr-x. 2 matterhorn matterhorn 2 Apr 29 08:06 6421442 drwxr-xr-x. 2 matterhorn matterhorn 2 Apr 29 08:25 6421450 drwxr-xr-x. 2 matterhorn matterhorn 2 Apr 29 08:23 6421651 drwxr-xr-x. 2 matterhorn matterhorn 2 Apr 29 08:54 6421652 drwxrwx---. 3 matterhorn matterhorn 3 Jan 7 2014 archive drwxrwx---. 2 matterhorn matterhorn 2 Mar 19 2014 archive-tmp drwxrwx---. 4 matterhorn matterhorn 4 Jan 7 2014 distribution drwxrwx---. 10 matterhorn matterhorn 14 Apr 1 08:21 etc drwxrwx---. 2 matterhorn matterhorn 2 Apr 28 20:56 fileupload-tmp drwxrwx---. 2 matterhorn matterhorn 2 May 20 2014 inbox drwxrwx---. 7 matterhorn matterhorn 7 Mar 30 10:38 solr drwxrwx---. 3 matterhorn matterhorn 3 Jan 7 2014 work These directories occurs after the videos got edited with the videoeditor and it starts processing them.