Aliyun Linux 17.01 有哪些特性|云服务器 ECS - 开发者论坛

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iR </span>&nbsp;<br />Aliyun <span onclick="sendmsg('pw_ajax.php','action=relatetag&tagname=Linux',this.id)" style="cursor:pointer;border-bottom: 1px solid #FA891B;" id="rlt_7">Linux</span> 17.01（Golden Toad）具有如下特性。<ul style="margin:0 0 0 25px"><li><span style="display:none"> e[($rsx </span>&nbsp;<br />[backcolor=transparent]集成<span onclick="sendmsg('pw_ajax.php','action=relatetag&tagname=阿里云',this.id)" style="cursor:pointer;border-bottom: 1px solid #FA891B;" id="rlt_1"><span onclick="sendmsg('pw_ajax.php','action=relatetag&tagname=阿里',this.id)" style="cursor:pointer;border-bottom: 1px solid #FA891B;" id="rlt_3">阿里</span>云</span>内核组维护的 4.4 系列 Kernel</span>。支持 swap 内存压缩可保证显著减少 I/O；</li><li>支持动态补丁机制 kpatch，<span onclick="sendmsg('pw_ajax.php','action=relatetag&tagname=升级',this.id)" style="cursor:pointer;border-bottom: 1px solid #FA891B;" id="rlt_8">升级</span>内核无需重启<span onclick="sendmsg('pw_ajax.php','action=relatetag&tagname=系统',this.id)" style="cursor:pointer;border-bottom: 1px solid #FA891B;" id="rlt_5">系统</span>；</li><li>支持超大内存 kdump（至多 3 TB）；</li><li>支持 Automatic NUMA；</li><li>用户态 vsyscall 获取时间戳性能提升；</li><li>全面支持 Docker 技术栈；</li><li>支持 pv panic，方便协助云用户快速定位内核<span onclick="sendmsg('pw_ajax.php','action=relatetag&tagname=问题',this.id)" style="cursor:pointer;border-bottom: 1px solid #FA891B;" id="rlt_2">问题</span>；</li><li>重新设计的无锁 TCP listener，提升 2 ~ 3 个数量级防 SYN <span onclick="sendmsg('pw_ajax.php','action=relatetag&tagname=攻击',this.id)" style="cursor:pointer;border-bottom: 1px solid #FA891B;" id="rlt_10">攻击</span>能力。</li></ul><span style="display:none"> K2o\+t </span>&nbsp;<br />[backcolor=transparent]高效创建和启动</span>。<span style="display:none">
\UEO$~Km </span>&nbsp;<br />基于虚拟化级优化栈创建实例，有效降低创建虚拟机所需时间。OS 搭载阿里云定制启动<span onclick="sendmsg('pw_ajax.php','action=relatetag&tagname=服务',this.id)" style="cursor:pointer;border-bottom: 1px solid #FA891B;" id="rlt_4">服务</span>，提升启动速率，使创建到可登录时间控制在 30 秒内。<span style="display:none"> vmGGdj5aI </span>&nbsp;<br />[backcolor=transparent]文件系统</span>：新增支持文件系统：XFS、Btrfs、AUFS 和 OverlayFS。<span style="display:none"> -Pt']07E </span>&nbsp;<br />[backcolor=transparent]全新<span onclick="sendmsg('pw_ajax.php','action=relatetag&tagname=工具',this.id)" style="cursor:pointer;border-bottom: 1px solid #FA891B;" id="rlt_9">工具</span>链</span>：GCC 4.8.x glibc 2.17 GDB 7.6.1。<span style="display:none"> dRGgiQO </span>&nbsp;<br />[backcolor=transparent]<span onclick="sendmsg('pw_ajax.php','action=relatetag&tagname=安全',this.id)" style="cursor:pointer;border-bottom: 1px solid #FA891B;" id="rlt_6">安全</span>提升</span>。<ul style="margin:0 0 0 25px"><li>OpenSSH 支持 chroot shell 登录，限制用户登录在一个受限的根文件系统中。</li><li>OpenSSH 可指定多个验证条件以加强登录访问。</li></ul><span style="display:none"> X+%5q =N </span>&nbsp;<br />[backcolor=transparent]兼容 CentOS 7</span>。
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