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docs: update elk/elasticsearch

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Administrator 2021-10-24 07:16:31 +00:00 committed by John Smith
parent b66a8621dc
commit 3f850f80d9
1 changed files with 27 additions and 1 deletions
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elk/elasticsearch.md
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@ -2,7 +2,7 @@
title: ElasticSearch title: ElasticSearch
description: 安装以及使用文档 description: 安装以及使用文档
published: true published: true
date: 2021-10-23T09:14:15.263Z date: 2021-10-24T07:16:30.039Z
tags: elk tags: elk
editor: markdown editor: markdown
dateCreated: 2021-10-23T09:14:15.263Z dateCreated: 2021-10-23T09:14:15.263Z
@ -71,6 +71,32 @@ curl http://127.0.0.1:9200
curl http://192.168.0.156:9200 curl http://192.168.0.156:9200
``` ```
> 报错：max file descriptors [4096] for elasticsearch process is too low, increase to at least [65535]
{.is-warning}
原因：原因是进程不够用了
编辑 /etc/security/limits.conf，追加以下内容；
```conf
* soft nofile 65536
* hard nofile 65536
* soft nproc 65536
* hard nproc 65536
```
> 1. nofile: 是每个进程可以打开的文件数的限制
> 2. soft nofile表示软限制，hard nofile表示硬限制，软限制要小于等于硬限制。上面两行语句表示，root用户的软限制为1000，硬限制为1200，即表示root用户能打开的最大文件数量为1000，不管它开启多少个shell。
> 3. nproc：是操作系统级别对每个用户创建的进程数的限制
> 4.
此文件修改后需要重新登录用户，才会生效
登录后使用ulimit -S -n/ulimit -H -n查看
> ulimit -n
> 报错：max virtual memory areas vm.max_map_count [65530] is too low... > 报错：max virtual memory areas vm.max_map_count [65530] is too low...
{.is-warning} {.is-warning}