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mongodb分片集群,由12台Ubuntu4.04机器组成。由于经常断电,每次开机重启后都需要一台一台的手工重启,甚是麻烦。要是加入到开机自启/etc/rc.local中,启动后最大连接数只有819,无法满足生产需求,。现在的做法是手动输入ulimit -u 64000,ulimit -n 64000,ulimit -s 1024三条命令后再启动服务,但这三条命令都是档次有效的。如何做到开机自启服务?参考教程:http://blog.itpub.net/2700019...