max file descriptors [4096] for elasticsearch process is too low, increase to at least [65536] vim /etc/security/limits.conf 文件末尾添加: mst hard nofile 65536 mst soft nofile 65536 mst是es启动用户 max virtual memory areas vm.max_map_count [65530] is too low,
[--16T18::,][ERROR][o.e.b.Bootstrap ] [node-] node validation exception [] bootstrap checks failed []: system call filters failed to install; check the logs and fix your configuration or disable system call filters at your own risk 先给一个官方的说法:https://
[--16T18::,][INFO ][o.e.b.BootstrapChecks ] [node-] bound or publishing to a non-loopback address, enforcing bootstrap checks [--16T18::,][ERROR][o.e.b.Bootstrap ] [node-] node validation exception [] bootstrap checks failed []: max number of threads
Aug 09 21:43:23 10921114-elklogserver elasticsearch[30152]: 2018-08-09 21:43:23,068 main ERROR Null object returned for RollingFile in Appenders. Aug 09 21:43:23 10921114-elklogserver elasticsearch[30152]: 2018-08-09 21:43:23,068 main ERROR Null obje
max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144] elasticsearch启动时遇到的错误 问题翻译过来就是:elasticsearch用户拥有的内存权限太小,至少需要262144: 解决: 切换到root用户 执行命令: sysctl -w vm.max_map_count=262144 查看结果: sysctl -a|grep vm.max_map_coun
heartbeat的概念 Linux-HA的全称是High-Availability Linux,它是一个开源项目,这个开源项目的目标是:通过社区开发者的共同努力,提供一个增强linux可靠性(reliability).可用性(availability)和可服务性(serviceability)(RAS)的群集解决方案.其中Heartbeat就是Linux-HA项目中的一个组件,也是目前开源HA项目中最成功的一个例子,它提供了所有 HA 软件所需要的基本功能,比如心跳检测和资源接管.监测群集