报错如下
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ERROR: [3] bootstrap checks failed [1]: max file descriptors [4096] for elasticsearch process is too low, increase to at least [65536] [2]: max number of threads [3780] for user [esyonghu] is too low, increase to at least [4096] [3]: max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144] [2018-12-12T21:54:57,353][INFO ][o.e.n.Node ] [PlbSkhz] stopping ... [2018-12-12T21:54:57,413][INFO ][o.e.n.Node ] [PlbSkhz] stopped [2018-12-12T21:54:57,413][INFO ][o.e.n.Node ] [PlbSkhz] closing ... [2018-12-12T21:54:57,473][INFO ][o.e.n.Node ] [PlbSkhz] closed [2018-12-12T21:54:57,488][INFO ][o.e.x.m.j.p.NativeController] [PlbSkhz] Native controller process has stopped - no new native processes can be started
解决方法，增加如下内容
vi /etc/security/limits.conf esyonghu soft nofile 65536 esyonghu hard nofile 65536 esyonghu soft nproc 4096 esyonghu hard nproc 4096
cd /etc/security/limits.d vi 20-nproc.conf -# Default limit for number of user's processes to prevent -# accidental fork bombs. -# See rhbz #432903 for reasoning. * soft nproc 4096 root soft nproc unlimited 将*号改成用户名 esyonghu soft nproc 4096 root soft nproc unlimited
增加如下内容
vi /etc/sysctl.conf vm.max_map_count = 655360 sysctl -p vm.max_map_count = 655360