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memory.limit_in_bytes配置为80M,使用memhog模拟分配100M,触发OOM,/var/log/messages部分日志如下,可以从日志中看到memhog所在进程(PID: 2021820)使用了81920kB内存,超出了限制,触发了OOM: warning
hce2 147 k …… Transaction Summary ================================================================= Install 1 Package Upgrade 22 Packages
maven-resolver-transport-wagon byteman httpcomponents-client jna java-1.8.0-openjdk-devel maven-lib libreoffice-core java-1.8.0-openjdk-src javapackages-tools
修改标签 docker tag hello-world:latest hello-world:v1 查看已有镜像 docker images 强制删除镜像 docker rmi -f hello-world:v1 管理容器 进入容器 docker run -it ImageId /
grant all privileges on *.* to 'test'@'%'; 输入以下语句刷新权限。 flush privileges; 执行以下语句退出数据库。 exit 在另一台服务器上安装MySql client后输入以下命令进行远程连接。
SOURCES]# osmt -h usage: osmt [-h] {update,rollback} ... positional arguments: {update,rollback} update update os version or packages
Filter blacklist to remove packages in blacklist from types filter results, and packages which depend on packages in blacklist will also be removed
Upgrade 72 Packages Total download size: 105 M Is this ok [y/N]: 执行dnf update --security命令,仅升级安全更新涉及的RPM包。
Filter blacklist to remove packages in blacklist from types filter results, and packages which depend on packages in blacklist will also be removed
输出报错信息,描述申请阶数为6的内存页失败: page allocation failure:order:6 触发方法 用alloc_pages连续申请高阶数内存页(例如order=10),不释放,直到申请失败。
[root@localhost test]# wget https://repo.huaweicloud.com/hce/1.1/updates/x86_64/Packages/centos2hce1-1.0.0-0.0.2.x86_64.rpm //下载centos2hce1
HCE 2.0签名公钥证书 HCE 2.0 KEK证书和HCE 2.0 UEFI签名证书详见https://repo.huaweicloud.com/hce/2.0/updates/x86_64/Packages/路径下的hce-sign-certificate-1.0-1.hce2
mv /tmp/docker_rootfs/hce-docker.x86_64.tar.xz . docker import hce-docker.x86_64.tar.xz 执行docker images命令可查看到容器镜像ID为6cfefae3a541。
在OS/everything目录下,选择aarch64/或者x86_64/系统架构目录,并打开“Packages/”目录。 查找所需要的RPM包,例如hadoop-3.1-common-3.1.4-4.oe2203.noarch.rpm。
2022-08-19 03:12:58,373-INFO-centos2hce2.py-[line:832]: Dependency packages already exist!