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<title><![CDATA[linuxの飘扬]]></title> 
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<link>https://www.linuxfly.org/kubernetes-19-conflict-with-centos7/</link>
<title><![CDATA[【原】kubernetes 1.9 与 CentOS 7.3 内核兼容问题]]></title> 
<author>linuxing &lt;emos#linuxfly.org&gt;</author>
<category><![CDATA[Kubernetes]]></category>
<pubDate>Fri, 30 Mar 2018 12:39:02 +0000</pubDate> 
<guid>https://www.linuxfly.org/kubernetes-19-conflict-with-centos7/</guid> 
<description>
<![CDATA[ 
	&nbsp;&nbsp;&nbsp;&nbsp;生产环境发现不定时 Java 应用出现 coredump 故障，测试环境不定时出现写入 /cgroup/memory 报&nbsp;&nbsp;no space left on device 的故障，导致整个 kubernetes node 节点无法使用。设置会随着堆积的 cgroup 越来越多，docker ps 执行异常，直到把内存吃光，机器挂死。<br/>&nbsp;&nbsp;&nbsp;&nbsp;典型报错：<br/><div class="quote"><div class="quote-title">引用</div><div class="quote-content">kubelet.ns-k8s-node001.root.log.ERROR.20180214-113740.15702:1593018:E0320 04:59:09.572336 15702 remote_runtime.go:92] RunPodSandbox from runtime service failed: rpc error: code = Unknown desc = failed to start sa<br/>ndbox container for pod "osp-xxx-com-ljqm19-54bf7678b8-bvz9s": Error response from daemon: oci runtime error: container_linux.go:247: starting container process caused "process_linux.go:258: applying cgroup configuration<br/>for process caused &#92;"mkdir /sys/fs/cgroup/memory/kubepods/burstable/podf1bd9e87-1ef2-11e8-afd3-fa163ecf2dce/8710c146b3c8b52f5da62e222273703b1e3d54a6a6270a0ea7ce1b194f1b5053: <span style="color: #FF0000;">no space left on device</span>&#92;""</div></div><br/>或者<br/><div class="quote"><div class="quote-title">引用</div><div class="quote-content">Mar 26 18:36:59 ns-k8s-node-s0054 kernel: SLUB: Unable to allocate memory on node -1 (gfp=0x8020)<br/>Mar 26 18:36:59 ns-k8s-noah-node001 kernel: cache: ip6_dst_cache(1995:6b6bc0c9f30123084a409d89a300b017d26ee5e2c3ac8a02c295c378f3dbfa5f), object size: 448, buffer size: 448, default order: 2, min order: 0</div></div><br/>&nbsp;&nbsp;&nbsp;&nbsp;该问题发生前后，进行过 kubernetes 1.6 到 1.9 的升级工作。怀疑问题与 kubernetes 、内核有关。<br/>............<br/><br/>Tags - <a href="https://www.linuxfly.org/tags/kubernetes/" rel="tag">kubernetes</a> , <a href="https://www.linuxfly.org/tags/docker/" rel="tag">docker</a>
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<link>https://www.linuxfly.org/kubernetes-19-conflict-with-centos7/#blogcomment6498</link>
<title><![CDATA[[评论] 【原】kubernetes 1.9 与 CentOS 7.3 内核兼容问题]]></title> 
<author>bai &lt;user@domain.com&gt;</author>
<category><![CDATA[评论]]></category>
<pubDate>Sun, 01 Jul 2018 16:30:29 +0000</pubDate> 
<guid>https://www.linuxfly.org/kubernetes-19-conflict-with-centos7/#blogcomment6498</guid> 
<description>
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<link>https://www.linuxfly.org/kubernetes-19-conflict-with-centos7/#blogcomment6548</link>
<title><![CDATA[[评论] 【原】kubernetes 1.9 与 CentOS 7.3 内核兼容问题]]></title> 
<author>dotDuck &lt;user@domain.com&gt;</author>
<category><![CDATA[评论]]></category>
<pubDate>Mon, 25 Mar 2019 07:31:18 +0000</pubDate> 
<guid>https://www.linuxfly.org/kubernetes-19-conflict-with-centos7/#blogcomment6548</guid> 
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