问题
docker安装并启动elasticsearch时内存不足
系统centos8（阿里云ecs服务器）
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[root@iZ2zeczvvb79boy368xppwZ ~]# cat /etc/redhat-release
CentOS Linux release 8.1.1911 (Core) |
安装过程
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docker pull elasticsearch:6.4.0 |
修改虚拟机内存（貌似没有效果）
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sysctl -w vm.max_map_count=262144 |
使用docker run命令跑容器
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docker run -p 9200:9200 -p 9300:9300 --name elasticsearch \\
-e "discovery.type=single-node" \\
-e "cluster.name=elasticsearch" \\
-v /mydata/elasticsearch/plugins:/usr/share/elasticsearch/plugins \\
-v /mydata/elasticsearch/data:/usr/share/elasticsearch/data \\
-d elasticsearch:6.4.0 |
docker ps查看容器并没有启动
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[root@iZ2zeczvvb79boy368xppwZ ~]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
edfc400862eb rabbitmq:3.7.15 "docker-entrypoint.s…" 14 hours ago Up 14 hours 0.0.0.0:4369->4369/tcp, 0.0.0.0:5671-5672->5671-5672/tcp, 0.0.0.0:15671-15672->15671-15672/tcp, 0.0.0.0:25672->25672/tcp rabbitmq
2ae2f3f8dc1f nginx:1.10 "nginx -g 'daemon of…" 2 weeks ago Up 2 weeks 0.0.0.0:80->80/tcp, 443/tcp nginx
164e4e7561df redis:3.2 "docker-entrypoint.s…" 2 weeks ago Up 2 weeks 0.0.0.0:6379->6379/tcp redis
eeabe57f1f21 mysql:5.7 "docker-entrypoint.s…" 2 weeks ago Up 2 weeks 0.0.0.0:3306->3306/tcp, 33060/tcp mysql |
docker ps -a 查看容器确实创建了
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[root@iZ2zeczvvb79boy368xppwZ ~]# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
767829ae1d7c elasticsearch:6.4.0 "/usr/local/bin/dock…" About a minute ago Exited (1) About a minute ago elasticsearch
edfc400862eb rabbitmq:3.7.15 "docker-entrypoint.s…" 14 hours ago Up 14 hours 0.0.0.0:4369->4369/tcp, 0.0.0.0:5671-5672->5671-5672/tcp, 0.0.0.0:15671-15672->15671-15672/tcp, 0.0.0.0:25672->25672/tcp rabbitmq
2ae2f3f8dc1f nginx:1.10 "nginx -g 'daemon of…" 2 weeks ago Up 2 weeks 0.0.0.0:80->80/tcp, 443/tcp nginx
164e4e7561df redis:3.2 "docker-entrypoint.s…" 2 weeks ago Up 2 weeks 0.0.0.0:6379->6379/tcp redis
eeabe57f1f21 mysql:5.7 "docker-entrypoint.s…" 2 weeks ago Up 2 weeks 0.0.0.0:3306->3306/tcp, 33060/tcp mysql |
查看日志docker logs -f elasticsearch命令查看日志发现jvm内存不足
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[root@iZ2zeczvvb79boy368xppwZ ~]# docker logs -f elasticsearch
OpenJDK 64-Bit Server VM warning: Option UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in a future release.
OpenJDK 64-Bit Server VM warning: INFO: os::commit_memory(0x00007ebf15330000, 549668585472, 0) failed; error='Not enough space' (errno=12)
#
# There is insufficient memory for the Java Runtime Environment to continue.
# Native memory allocation (mmap) failed to map 549668585472 bytes for committing reserved memory.
# An error report file with more information is saved as:
# logs/hs_err_pid1.log |
解决方法
修改jvm.options文件配置
首先查找jvm.options文件位置（每个服务器的位置可能不同）
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[root@iZ2zeczvvb79boy368xppwZ ~]# find / -name jvm.options
/var/lib/docker/overlay2/d399872a3517b4d4acb0d2f70d0625c0f38251ffe5819a1cea00f8213de3e7f5/diff/usr/share/elasticsearch/config/jvm.options |
vim进入文件修改虚拟机最小内存
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[root@iZ2zeczvvb79boy368xppwZ ~]# vim /var/lib/docker/overlay2/d399872a3517b4d4acb0d2f70d0625c0f38251ffe5819a1cea00f8213de3e7f5/diff/usr/share/elasticsearch/config/jvm.options |
找到-Xms属性，修改成512m（我的elasticsearch:6.4.0默认为1g）
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## JVM configuration
################################################################
## IMPORTANT: JVM heap size
################################################################
##
## You should always set the min and max JVM heap
## size to the same value. For example, to set
## the heap to 4 GB, set:
##
## -Xms4g
## -Xmx4g
##
## See https://www.elastic.co/guide/en/elasticsearch/reference/current/heap-size.html
## for more information
##
################################################################
# Xms represents the initial size of total heap space
# Xmx represents the maximum size of total heap space
-Xms512m
-Xmx512m |
保存并退出
vim中按i进入编辑模式，按ESC退出编辑模式，按：进入命令模式，然后在底部命令行输入w为保存，q为退出，q!为强制退出。
再次启动容器，docker ps查看容器启动成功
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[root@iZ2zeczvvb79boy368xppwZ ~]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
f5c4ed61196b elasticsearch:6.4.0 "/usr/local/bin/dock…" 15 minutes ago Up 15 minutes 0.0.0.0:9200->9200/tcp, 0.0.0.0:9300->9300/tcp elasticsearch
edfc400862eb rabbitmq:3.7.15 "docker-entrypoint.s…" 15 hours ago Up 15 hours 0.0.0.0:4369->4369/tcp, 0.0.0.0:5671-5672->5671-5672/tcp, 0.0.0.0:15671-15672->15671-15672/tcp, 0.0.0.0:25672->25672/tcp rabbitmq
2ae2f3f8dc1f nginx:1.10 "nginx -g 'daemon of…" 2 weeks ago Up 2 weeks 0.0.0.0:80->80/tcp, 443/tcp nginx
164e4e7561df redis:3.2 "docker-entrypoint.s…" 2 weeks ago Up 2 weeks 0.0.0.0:6379->6379/tcp redis
eeabe57f1f21 mysql:5.7 "docker-entrypoint.s…" 2 weeks ago Up 2 weeks 0.0.0.0:3306->3306/tcp, 33060/tcp mysql |
总结
到此这篇关于docker启动elasticsearch时内存不足问题及解决方法的文章就介绍到这了,更多相关docker启动elasticsearch内存不足内容请搜索快网idc以前的文章或继续浏览下面的相关文章希望大家以后多多支持快网idc！
原文链接：https://blog.csdn.net/weixin_40660221/article/details/107656626
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