问题描述 某产品反馈在我们的系统中以某 A 用户部署运行 elasticsearch，启动 elasticsearch 时 log 中有如下报错信息： max file descriptors [4096] for elasticsearch process is too low, increase to at least [65536] in elasticsearch log 报错信息表明...
1.Issue 新装的elasticsearch启动报以下错误 从错误信息看出应该是elasticsearch程序需要的最小max file descriptors值是65536，但是我的host只配置了4096（默认值） 那我先确认一下 ulimit -Hn： 是max number of open file descriptors的hard限制...
![max file descriptors [4096] for elasticsearch process is too low 问题定位_longyu_wlz](/upload/article/20240207/19575065c3703eac7e2qc6j9z.png "max file descriptors [4096] for elasticsearch process is too low 问题定位_longyu_wlz")
![max file descriptors [4096] for elasticsearch process is too low, increase to at](/upload/article/20240208/09050665c428c242191l7enit.png "max file descriptors [4096] for elasticsearch process is too low, increase to at")
