diff options
Diffstat (limited to 'system/earlyoom/README')
| -rw-r--r-- | system/earlyoom/README | 32 |
1 files changed, 19 insertions, 13 deletions
diff --git a/system/earlyoom/README b/system/earlyoom/README index fa2893b2b9d3..95f8c2fbec66 100644 --- a/system/earlyoom/README +++ b/system/earlyoom/README @@ -1,24 +1,30 @@ -earlyoom checks the amount of available memory and free swap up to 10 -times a second (less often if there is a lot of free memory). By -default if both are below 10%, it will kill the largest process -(highest oom_score). The percentage value is configurable via command -line arguments. +earlyoom (the early out-of-memory daemon) + +The Linux kernel's OOM-killer generally has a bad reputation among +Linux users. One may have to sit in front of an unresponsive system, +listening to the grinding disk for minutes, and press the reset +button to quickly get back to what one was doing after running out of +patience. + +earlyoom is a userspace daemon that can be triggered earlier than the +kernel's OOM-killer. It checks the amount of available memory and free +swap up to 10 times a second (less often if there is a lot of free +memory). By default if both are below 10%, it will kill the largest +process (highest oom_score). The percentage value is configurable via +command line arguments. To enable it, put this line in your rc.local after running chmod +x on /etc/rc.d/rc.earlyoom: -if [ -x /etc/rc.d/rc.earlyoom ]; -then +if [ -x /etc/rc.d/rc.earlyoom ]; then /etc/rc.d/rc.earlyoom start fi -and to have it turnoff at shutdown, simply put this in your -rc.local_shutdown: +...and to have it exit at shutdown, put this in your rc.local_shutdown: -if [ -x /etc/rc.d/rc.earlyoom ]; -then +if [ -x /etc/rc.d/rc.earlyoom ]; then /etc/rc.d/rc.earlyoom stop fi -A log file for it is kept at /var/log/earlyoom.log -And earlyoom can be configured by modifying /etc/default/earlyoom +A log file for it is kept at /var/log/earlyoom.log, and earlyoom can +be configured by modifying /etc/default/earlyoom. |