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æ ¸ä¹ä¸å¯è½ï¼ä½ å¯ä»¥å°è¯å°/proc/sys/vm/lower_zone_protection çå¼è®¾ç½®ä¸º250çè³æ´å¤ãè¿å°è®©å
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æ ¸æå¼å§å¯ç¨ãå¿
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# cat /proc/sys/vm/lower_zone_protection
# echo "250" > /proc/sys/vm/lower_zone_protection
å¨ /etc/sysctl.conf ä¸å å
¥è®¾ç½®ï¼ä»¥ä¾¿å¯å¨å°±çæï¼
vm.lower_zone_protection = 250
ä½ä¸ºæåçåªåï¼ä½ å¯ä»¥å
³éoom-killerãè¿ä¸ªé项å¯ä»¥å¯¼è´ç³»ç»æèµ·ï¼æ以请å°å¿ä½¿ç¨ï¼é£é©èªè´ï¼ï¼
æ¥çå½åoom-killerçç¶æï¼
# cat /proc/sys/vm/oom-kill
å
³é/æå¼oom-killerï¼
# echo "0" > /proc/sys/vm/oom-kill
# echo "1" > /proc/sys/vm/oom-kill
å½è¿ç¨è¯¥è¢«oom-killerææ»å´æ²¡æ被ææ»æ¶ï¼ç¸å
³ä¿¡æ¯ä¼è®°å½å° /var/log/messages:
"Would have oom-killed but /proc/sys/vm/oom-kill is disabled"
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