xiaoyuyao commented on a change in pull request #518: HDDS-2791. concept/OzoneManager.md translation URL: https://github.com/apache/hadoop-ozone/pull/518#discussion_r377386069
########## File path: hadoop-hdds/docs/content/concept/OzoneManager.zh.md ########## @@ -0,0 +1,64 @@ +--- +title: "Ozone Manager" +date: "2017-09-14" +weight: 2 +summary: Ozone Manager 是 Ozone 主要的命名空间服务，它管理了卷、桶和键的生命周期。 +--- +<!--- + Licensed to the Apache Software Foundation (ASF) under one or more + contributor license agreements. See the NOTICE file distributed with + this work for additional information regarding copyright ownership. + The ASF licenses this file to You under the Apache License, Version 2.0 + (the "License"); you may not use this file except in compliance with + the License. You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +--> + +Ozone Manager（OM）管理 Ozone 的命名空间。 + +当向 Ozone 写入数据时，你需要向 OM 请求一个块，OM 会返回一个块并记录下相关信息。当你想要读取那个文件时，你也需要先通过 OM 获取那个块的地址。 + +OM 允许用户在卷和桶下管理键，卷和桶都是命名空间的一部分，也由 OM 管理。 + +每个卷都是一个独立的命名空间的根元素，这一点和 HDFS 不同，HDFS 提供的是单个根元素的文件系统。 + +Ozone 的命名空间是卷的集合，与 HDFS 中单根的树状结构相比，可以看作是个森林，因此可以非常容易地部署多个 OM 来进行扩展。 Review comment: Ozone 的命名空间是卷的集合，与 HDFS 中单根的树状结构相比，可以看作是个森林=》 与 HDFS 中单根的树状结构相比，Ozone 的命名空间是卷的集合，或者可以看作是个森林。 ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services --------------------------------------------------------------------- To unsubscribe, e-mail: ozone-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: ozone-issues-h...@hadoop.apache.org
