# es 暴露的端口很多
# es 十分耗内存
# es 的数据一般需要放置到安全的目录！（通过挂载）
# 启动es
docker run -d --name elasticsearch --net somenetwork -p 9200:9200 -p 9300:9300 -e "discovery.type=single-node" elasticsearch:tag
# 解释
--net somenetwork ？ 网络配置 （后期学，先去掉）
"discovery.type=single-node" 集群单节点
[root@qiaoyanjie ~]# docker run -d --name elasticsearch01 -p 9200:9200 -p 9300:9300 -e "discovery.type=single-node" elasticsearch #默认下载最新版本
Unable to find image 'elasticsearch:latest' locally
latest: Pulling from library/elasticsearch
05d1a5232b46: Pull complete
5cee356eda6b: Pull complete
89d3385f0fd3: Pull complete
65dd87f6620b: Pull complete
78a183a01190: Pull complete
1a4499c85f97: Pull complete
2c9d39b4bfc1: Pull complete
1b1cec2222c9: Pull complete
59ff4ce9df68: Pull complete
1976bc3ee432: Pull complete
5af49e8af381: Pull complete
42c8b75ff7af: Pull complete
7e6902915254: Pull complete
99853874fa54: Pull complete
596fbad6fcff: Pull complete
Digest: sha256:a8081d995ef3443dc6d077093172a5931e02cdb8ffddbf05c67e01d348a9770e
Status: Downloaded newer image for elasticsearch:latest
5cfc15cf31a91e25674338960975736f9bd7d235a061d8eb30eaee3e1616742d
[root@qiaoyanjie ~]# docker ps -a #最新版起不来
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
5cfc15cf31a9 elasticsearch "/docker-entrypoint.…" 9 seconds ago Exited (1) 8 seconds ago elasticsearch01
21d3be4a9e4c tomcat "catalina.sh run" 7 hours ago Up 7 hours 0.0.0.0:3345->8080/tcp tomcat01
10987a6f0593 nginx "/docker-entrypoint.…" 6 days ago Up 6 hours 0.0.0.0:3344->80/tcp nginx01
[root@qiaoyanjie ~]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
21d3be4a9e4c tomcat "catalina.sh run" 7 hours ago Up 7 hours 0.0.0.0:3345->8080/tcp tomcat01
10987a6f0593 nginx "/docker-entrypoint.…" 6 days ago Up 6 hours 0.0.0.0:3344->80/tcp nginx01
[root@qiaoyanjie ~]# docker rm -f 5cfc15cf31a9
5cfc15cf31a9
[root@qiaoyanjie ~]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
nginx latest 605c77e624dd 4 months ago 141MB
tomcat latest fb5657adc892 4 months ago 680MB
elasticsearch latest 5acf0e8da90b 3 years ago 486MB
[root@qiaoyanjie ~]# docker run -d --name elasticsearch01 -p 9200:9200 -p 9300:9300 -e "discovery.type=single-node" elasticsearch
a10e3209ee777a80d44fc69091bf8a9596dd76a39aeed52fb38c820f0f59beda
[root@qiaoyanjie ~]# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
a10e3209ee77 elasticsearch "/docker-entrypoint.…" 9 seconds ago Exited (1) 8 seconds ago elasticsearch01
21d3be4a9e4c tomcat "catalina.sh run" 7 hours ago Up 7 hours 0.0.0.0:3345->8080/tcp tomcat01
10987a6f0593 nginx "/docker-entrypoint.…" 6 days ago Up 7 hours 0.0.0.0:3344->80/tcp nginx01
[root@qiaoyanjie ~]# docker logs -f a10e3209ee77 #查看日志，内存溢出
OpenJDK 64-Bit Server VM warning: INFO: os::commit_memory(0x0000000085330000, 2060255232, 0) failed; error='Cannot allocate memory' (errno=12)
#
# There is insufficient memory for the Java Runtime Environment to continue.
# Native memory allocation (mmap) failed to map 2060255232 bytes for committing reserved memory.
# An error report file with more information is saved as:
# /tmp/hs_err_pid1.log
[root@qiaoyanjie ~]# free -h
total used free shared buff/cache available
Mem: 1.8G 306M 206M 576K 1.3G 1.3G
Swap: 0B 0B 0B
[root@qiaoyanjie ~]# docker images # 内存溢出？？？
REPOSITORY TAG IMAGE ID CREATED SIZE
nginx latest 605c77e624dd 4 months ago 141MB
tomcat latest fb5657adc892 4 months ago 680MB
elasticsearch 7.6.2 f29a1ee41030 2 years ago 791MB
elasticsearch latest 5acf0e8da90b 3 years ago 486MB[root@qiaoyanjie ~]# docker run -d --name elasticsearch01 -p 9200:9200 -p 9300:9300 -e "discovery.type=single-node" elasticsearch:7.6.2
Unable to find image 'elasticsearch:7.6.2' locally
7.6.2: Pulling from library/elasticsearch
ab5ef0e58194: Pull complete
c4d1ca5c8a25: Pull complete
941a3cc8e7b8: Pull complete
43ec483d9618: Pull complete
c486fd200684: Pull complete
1b960df074b2: Pull complete
1719d48d6823: Pull complete
Digest: sha256:1b09dbd93085a1e7bca34830e77d2981521a7210e11f11eda997add1c12711fa
Status: Downloaded newer image for elasticsearch:7.6.2
c4ac304a64a3205853ed8c240b9b375664e2b5f9f79a093856acf09fc22e918e
[root@qiaoyanjie ~]# docker ps -a # 7.6.2版本可以启动成功
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
c4ac304a64a3 elasticsearch:7.6.2 "/usr/local/bin/dock…" 47 seconds ago Up 45 seconds 0.0.0.0:9200->9200/tcp, 0.0.0.0:9300->9300/tcp elasticsearch01
21d3be4a9e4c tomcat "catalina.sh run" 7 hours ago Up 7 hours 0.0.0.0:3345->8080/tcp tomcat01
10987a6f0593 nginx "/docker-entrypoint.…" 6 days ago Up 7 hours 0.0.0.0:3344->80/tcp nginx01
# 测试一下 es 是否已经成功了
[root@qiaoyanjie ~]# curl localhost:9200
{
"name" : "c4ac304a64a3",
"cluster_name" : "docker-cluster",
"cluster_uuid" : "WM3FfgN5TTKu0G1ManiIug",
"version" : {
"number" : "7.6.2",
"build_flavor" : "default",
"build_type" : "docker",
"build_hash" : "ef48eb35cf30adf4db14086e8aabd07ef6fb113f",
"build_date" : "2020-03-26T06:34:37.794943Z",
"build_snapshot" : false,
"lucene_version" : "8.4.0",
"minimum_wire_compatibility_version" : "6.8.0",
"minimum_index_compatibility_version" : "6.0.0-beta1"
},
"tagline" : "You Know, for Search"
}
[root@qiaoyanjie ~]# curl localhost:9300 #9300不行
This is not an HTTP port[root@qiaoyanjie ~]## es十分耗内存，启动以后，linux（1核2G）就卡住了。 docker stats 查看 cpu 的状态
# es 启动时 cpu 状态
[root@qiaoyanjie ~]# docker stats
CONTAINER ID NAME CPU % MEM USAGE / LIMIT MEM % NET I/O BLOCK I/O PIDS
c4ac304a64a3 elasticsearch01 2.46% 1.25GiB / 1.795GiB 69.63% 0B / 0B 368MB / 696kB 42
21d3be4a9e4c tomcat01 0.09% 124.2MiB / 1.795GiB 6.76% 8.77kB / 129kB 200MB / 0B 28
10987a6f0593 nginx01 0.00% 1.449MiB / 1.795GiB 0.08% 1.88kB / 1.97kB 2.84MB / 0B 2
# es 不启动时 cpu 状态
[root@qiaoyanjie ~]# docker stats
CONTAINER ID NAME CPU % MEM USAGE / LIMIT MEM % NET I/O BLOCK I/O PIDS
21d3be4a9e4c tomcat01 0.12% 119.3MiB / 1.795GiB 6.49% 8.77kB / 129kB 202MB / 0B 28
10987a6f0593 nginx01 0.00% 1.449MiB / 1.795GiB 0.08% 1.88kB / 1.97kB 2.84MB / 0B 2
# 增加内存的限制，修改配置文件 -e 环境配置修改
[root@qiaoyanjie ~]# docker run -d --name elasticsearch02 -p 9200:9200 -p 9300:9300 -e "discovery.type=single-node" -e ES_JAVA_OPTS="-Xms64m -Xmx512m" elasticsearch:7.6.2
89af9d4d7f34585eec4344b2ea93e0fb7a8520e9292a8698d10189c89bec3d92
[root@qiaoyanjie ~]# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
89af9d4d7f34 elasticsearch:7.6.2 "/usr/local/bin/dock…" 7 seconds ago Up 6 seconds 0.0.0.0:9200->9200/tcp, 0.0.0.0:9300->9300/tcp elasticsearch02
c4ac304a64a3 elasticsearch:7.6.2 "/usr/local/bin/dock…" 22 minutes ago Exited (143) 25 seconds ago elasticsearch01
21d3be4a9e4c tomcat "catalina.sh run" 7 hours ago Up 7 hours 0.0.0.0:3345->8080/tcp tomcat01
10987a6f0593 nginx "/docker-entrypoint.…" 6 days ago Up 7 hours 0.0.0.0:3344->80/tcp nginx01
[root@qiaoyanjie ~]# docker stats # cpu 占用率明显减小
CONTAINER ID NAME CPU % MEM USAGE / LIMIT MEM % NET I/O BLOCK I/O PIDS
89af9d4d7f34 elasticsearch02 97.84% 290.7MiB / 1.795GiB 15.82% 0B / 0B 97.3MB / 246kB 20
21d3be4a9e4c tomcat01 0.09% 122.2MiB / 1.795GiB 6.65% 8.81kB / 129kB 288MB / 0B 28
10987a6f0593 nginx01 0.00% 1.445MiB / 1.795GiB 0.08% 1.92kB / 1.97kB 2.84MB / 0B 2
[root@qiaoyanjie ~]# curl localhost:9200 # 访问成功
{
"name" : "89af9d4d7f34",
"cluster_name" : "docker-cluster",
"cluster_uuid" : "nuUXVWS1Q_iTgfLBOlrNDw",
"version" : {
"number" : "7.6.2",
"build_flavor" : "default",
"build_type" : "docker",
"build_hash" : "ef48eb35cf30adf4db14086e8aabd07ef6fb113f",
"build_date" : "2020-03-26T06:34:37.794943Z",
"build_snapshot" : false,
"lucene_version" : "8.4.0",
"minimum_wire_compatibility_version" : "6.8.0",
"minimum_index_compatibility_version" : "6.0.0-beta1"
},
"tagline" : "You Know, for Search"
}
# ?阿里云开放安全组，网页访问成功?
?
?
