elasticsearch安装及启动异常解决

虚拟机使用net连接模式

1

Download and unzip the latest Elasticsearch distribution

2

Run bin/elasticsearch on Unix or bin\elasticsearch.bat on Windows

3

Run curl -X GET http://localhost:9200/

官网 ：www.elastic.co

包含 安装介质 和 权威指南

1下载

elasticsearch 下载地址： https://www.elastic.co/cn/downloads/elasticsearch

linux  对应版本 elasticsearch-7.0.0-rc2-linux-x86_64.tar.gz 大小330 MB

2建用户

useradd  es

passwd es

123456

es/123456

3上传到虚拟机

put elasticsearch-7.0.0-rc2-linux-x86_64.tar.gz

4解压

tar  -zxvf elasticsearch-7.0.0-rc2-linux-x86_64.tar.gz

启动

cd elasticsearch-7.0.0-rc2/bin

./elasticsearch

5警告跳过

unable to install syscall filter:

java.lang.UnsupportedOperationException: seccomp unavailable: requires kernel 3.5+ with CONFIG_SECCOMP and CONFIG_SECCOMP_FILTER compiled in

6检验

http://localhost:9200/

{

 "name" : "localhost.localdomain",

 "cluster_name" : "elasticsearch",

 "cluster_uuid" : "WuVD9aKLTYyt_XbWbxZxAg",

 "version" : {

   "number" : "7.0.0-rc2",

   "build_flavor" : "default",

   "build_type" : "tar",

   "build_hash" : "f076a79",

   "build_date" : "2019-04-02T17:20:40.380908Z",

   "build_snapshot" : false,

   "lucene_version" : "8.0.0",

  "minimum_wire_compatibility_version" : "6.7.0",

  "minimum_index_compatibility_version" : "6.0.0-beta1"

 },

 "tagline" : "You Know, for Search"

}

遇到得问题

7 http://ip:9200/  无法访问

vim config/elasticsearch.yml

# 增加

network.host: 0.0.0.0

8重启 es 异常

ERROR: [5] bootstrap checks failed

[1]: max file descriptors [4096] for elasticsearch process is too low, increase to at least [65535]

[2]: max number of threads [1024] for user [es] is too low, increase to at least [4096]

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

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

[5]: the default discovery settings are unsuitable for production use; at least one of [discovery.seed_hosts, discovery.seed_providers, cluster.initial_master_nodes] must be configured

[2019-04-09T09:51:29,228][INFO ][o.e.n.Node            ] [localhost.localdomain] stopping ...

[2019-04-09T09:51:29,264][INFO ][o.e.n.Node            ] [localhost.localdomain] stopped

[2019-04-09T09:51:29,265][INFO ][o.e.n.Node            ] [localhost.localdomain] closing ...

[2019-04-09T09:51:29,320][INFO ][o.e.n.Node            ] [localhost.localdomain] closed

[2019-04-09T09:51:29,323][INFO ][o.e.x.m.p.NativeController] [localhost.localdomain] Native controller process has stopped - no new native processes can be started

切换root用户

vi /etc/security/limits.conf

在倒数第二行

* soft nofile 65536

* hard nofile 65536

# End of file

vi /etc/sysctl.conf

添加

vm.max_map_count=655360

保存后执行

sysctl -p

重启es 异常

ERROR: [3] bootstrap checks failed

[1]: max number of threads [1024] for user [es] is too low, increase to at least [4096]

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

[3]: the default discovery settings are unsuitable for production use; at least one of [discovery.seed_hosts, discovery.seed_providers, cluster.initial_master_nodes] must be configured

vi /etc/security/limits.d/90-nproc.conf

修改

*         soft   nproc    1024

为

*         soft   nproc    4096

重启es 异常

ERROR: [2] bootstrap checks failed

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

[2]: the default discovery settings are unsuitable for production use; at least one of [discovery.seed_hosts, discovery.seed_providers, cluster.initial_master_nodes] must be configured

在 elasticsearch.yml中添加配置项：bootstrap.system_call_filter为false：

bootstrap.memory_lock: false

bootstrap.system_call_filter: false

重启es 异常

ERROR: [1] bootstrap checks failed

[1]: the default discovery settings are unsuitable for production use; at least one of [discovery.seed_hosts, discovery.seed_providers, cluster.initial_master_nodes] must be configured

修改

elasticsearch.yml

取消注释保留一个节点

cluster.initial_master_nodes: ["node-1"]

这个的话，这里的node-1是上面一个默认的记得打开就可以了

重启 正常