From 8dd1c04e42418ca68101ed5412225ecaa6e15d9e Mon Sep 17 00:00:00 2001 From: Guangze GAO Date: Sun, 29 Mar 2020 21:09:39 +0800 Subject: [PATCH] update manage-compute-resources-container-zh --- .../manage-compute-resources-container.md | 27 +++++++++++++++++-- 1 file changed, 25 insertions(+), 2 deletions(-) diff --git a/content/zh/docs/concepts/configuration/manage-compute-resources-container.md b/content/zh/docs/concepts/configuration/manage-compute-resources-container.md index c3e6b6af4d..46aabdb8aa 100644 --- a/content/zh/docs/concepts/configuration/manage-compute-resources-container.md +++ b/content/zh/docs/concepts/configuration/manage-compute-resources-container.md @@ -42,6 +42,20 @@ the difference between requests and limits, see ## Resource types *CPU* and *memory* are each a *resource type*. A resource type has a base unit. CPU is specified in units of cores, and memory is specified in units of bytes. + +If you're using Kubernetes v1.14 or newer, you can specify _huge page_ resources. +Huge pages are a Linux-specific feature where the node kernel allocates blocks of memory +that are much larger than the default page size. + +For example, on a system where the default page size is 4KiB, you could specify a limit, +`hugepages-2Mi: 80Mi`. If the container tries allocating over 40 2MiB huge pages (a +total of 80 MiB), that allocation fails. + +{{< note >}} +You cannot overcommit `hugepages-*` resources. +This is different from the `memory` and `cpu` resources. +{{< /note >}} + CPU and memory are collectively referred to as *compute resources*, or just *resources*. Compute resources are measurable quantities that can be requested, allocated, and @@ -55,6 +69,15 @@ through the Kubernetes API server. *CPU* 和*内存*都是*资源类型*。资源类型具有基本单位。CPU 的单位是核心数，内存的单位是字节。 +如果您使用的是Kubernetes v1.14或更高版本，则可以指定巨大页资源。巨大页是Linux特有的功能，节点内核在其中分配的内存块比默认页面大小大得多。 + +例如，在默认页面大小为4KiB的系统上，您可以指定一个限制，`hugepages-2Mi：80Mi`。如果容器尝试分配40多个2MiB大页面（a总共80 MiB），则分配失败。 + +{{< note >}} +您不能过量使用`hugepages- *`资源。 +这与`memory`和`cpu`资源不同。 +{{< /note >}} + CPU和内存统称为*计算资源*，也可以称为*资源*。计算资源的数量是可以被请求、分配、消耗和可测量的。它们与 [API 资源](/docs/concepts/overview/kubernetes-api/) 不同。 API 资源（如 Pod 和 [Service](/docs/concepts/services-networking/service/)）是可通过 Kubernetes API server 读取和修改的对象。 @@ -284,7 +307,7 @@ the monitoring system. Pod 的资源使用情况被报告为 Pod 状态的一部分。 -如果为集群配置了 [可选监控](/docs/tasks/debug-application-cluster/resource-metrics-pipeline/)，则可以从监控系统检索 Pod 资源的使用情况。 +如果为集群配置了 [可选监控](http://releases.k8s.io/{{< param "githubbranch" >}}/cluster/addons/cluster-monitoring/README.md)，则可以从监控系统检索 Pod 资源的使用情况。