错误elasticsearch max virtual memory areas vm.max_map_count

具体错误信息如下：

jiankunking@ubuntu:~/software/elasticsearch$ ./bin/elasticsearch

[2017-03-23T18:14:05,880][INFO ][o.e.n.Node               ] [] initializing ...

[2017-03-23T18:14:06,151][INFO ][o.e.e.NodeEnvironment    ] [r5Eus3r] using [1] data paths, mounts [[/ (/dev/sda1)]], net usable_space [11.1gb], net total_space [17.5gb], spins? [possibly], types [ext4]

[2017-03-23T18:14:06,152][INFO ][o.e.e.NodeEnvironment    ] [r5Eus3r] heap size [1.9gb], compressed ordinary object pointers [true]

[2017-03-23T18:14:06,154][INFO ][o.e.n.Node               ] [r5Eus3r] node name [r5Eus3r] derived from node ID; set [node.name] to override

[2017-03-23T18:14:06,171][INFO ][o.e.n.Node               ] [r5Eus3r] version[5.0.1], pid[3669], build[080bb47/2016-11-11T22:08:49.812Z], OS[Linux/4.8.0-41-generic/amd64], JVM[Oracle Corporation/Java HotSpot(TM) 64-Bit Server VM/1.8.0_121/25.121-b13]

[2017-03-23T18:14:08,104][INFO ][o.e.p.PluginsService     ] [r5Eus3r] loaded module [aggs-matrix-stats]

[2017-03-23T18:14:08,110][INFO ][o.e.p.PluginsService     ] [r5Eus3r] loaded module [ingest-common]

[2017-03-23T18:14:08,110][INFO ][o.e.p.PluginsService     ] [r5Eus3r] loaded module [lang-expression]

[2017-03-23T18:14:08,111][INFO ][o.e.p.PluginsService     ] [r5Eus3r] loaded module [lang-groovy]

[2017-03-23T18:14:08,111][INFO ][o.e.p.PluginsService     ] [r5Eus3r] loaded module [lang-mustache]

[2017-03-23T18:14:08,111][INFO ][o.e.p.PluginsService     ] [r5Eus3r] loaded module [lang-painless]

[2017-03-23T18:14:08,111][INFO ][o.e.p.PluginsService     ] [r5Eus3r] loaded module [percolator]

[2017-03-23T18:14:08,111][INFO ][o.e.p.PluginsService     ] [r5Eus3r] loaded module [reindex]

[2017-03-23T18:14:08,112][INFO ][o.e.p.PluginsService     ] [r5Eus3r] loaded module [transport-netty3]

[2017-03-23T18:14:08,112][INFO ][o.e.p.PluginsService     ] [r5Eus3r] loaded module [transport-netty4]

[2017-03-23T18:14:08,113][INFO ][o.e.p.PluginsService     ] [r5Eus3r] no plugins loaded

[2017-03-23T18:14:12,904][INFO ][o.e.n.Node               ] [r5Eus3r] initialized

[2017-03-23T18:14:12,905][INFO ][o.e.n.Node               ] [r5Eus3r] starting ...

[2017-03-23T18:14:13,161][INFO ][o.e.t.TransportService   ] [r5Eus3r] publish_address {127.0.0.1:9300}, bound_addresses {[::]:9300}

[2017-03-23T18:14:13,165][INFO ][o.e.b.BootstrapCheck     ] [r5Eus3r] bound or publishing to a non-loopback or non-link-local address, enforcing bootstrap checks

ERROR: bootstrap checks failed

max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]

[2017-03-23T18:14:13,199][INFO ][o.e.n.Node               ] [r5Eus3r] stopping ...

[2017-03-23T18:14:13,250][INFO ][o.e.n.Node               ] [r5Eus3r] stopped

[2017-03-23T18:14:13,250][INFO ][o.e.n.Node               ] [r5Eus3r] closing ...

[2017-03-23T18:14:13,274][INFO ][o.e.n.Node               ] [r5Eus3r] closed

 

解决办法：

1、切换到root用户修改配置sysctl.conf

vi /etc/sysctl.conf 

添加下面配置：

vm.max_map_count=655360

并执行命令：

sysctl -p

然后，重新启动elasticsearch，即可启动成功。