centos6 x64安装elasticsearch5.5.2启动报错

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 [1024] for user [elastic] is too low, increase to at least [2048]
[3]: max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]

[4]: system call filters failed to install; check the logs and fix your configuration or disable system call filters at your own risk

vi /etc/security/limits.conf    在最后加入

* soft nofile 65536
* hard nofile 131072
* soft nproc 2048
* hard nproc 4096

vi /etc/security/limits.d/90-nproc.conf    改为
* soft nproc 2048

vi ../config/elasticsearch.yml    加入

bootstrap.memory_lock: false
bootstrap.system_call_filter: false

vi /etc/sysctl.conf    加入并且执行sysctl -p

vm.max_map_count=655360