CentOS HDFS数据压缩如何配置

在CentOS上配置HDFS（Hadoop分布式文件系统）的数据压缩，可以按照以下步骤进行：

1. 安装必要的软件包

首先，确保你已经安装了Hadoop和相关的依赖包。你可以使用以下命令来安装：

sudo yum install hadoop

2. 配置Hadoop

编辑Hadoop的配置文件，主要是core-site.xml和hdfs-site.xml。

core-site.xml

在core-site.xml中添加或修改以下配置：

<configuration>
    <property>
        <name>io.file.buffer.sizename>
        <value>131072value>
    property>
    <property>
        <name>dfs.replicationname>
        <value>3value>
    property>
    <property>
        <name>dfs.namenode.handler.countname>
        <value>100value>
    property>
    <property>
        <name>dfs.datanode.handler.countname>
        <value>100value>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
configuration>

hdfs-site.xml

在hdfs-site.xml中添加或修改以下配置：

<configuration>
    <property>
        <name>dfs.blocksizename>
        <value>134217728value>
    property>
    <property>
        <name>dfs.namenode.name.dirname>
        <value>/path/to/namenode/dirvalue>
    property>
    <property>
        <name>dfs.datanode.data.dirname>
        <value>/path/to/datanode/dirvalue>
    property>
    <property>
        <name>dfs.namenode.checkpoint.dirname>
        <value>/path/to/checkpoint/dirvalue>
    property>
    <property>
        <name>dfs.namenode.checkpoint.edits.dirname>
        <value>/path/to/checkpoint/edits/dirvalue>
    property>
    <property>
        <name>dfs.namenode.support.appendname>
        <value>truevalue>
    property>
    <property>
        <name>dfs.namenode.max.transfer.threadsname>
        <value>4096value>
    property>
    <property>
        <name>dfs.namenode.http-addressname>
        <value>namenode:50070value>
    property>
    <property>
        <name>dfs.namenode.secondary.http-addressname>
        <value>secondarynamenode:50090value>
    property>
    <property>
        <name>dfs.datanode.max.transfer.threadsname>
        <value>4096value>
    property>
    <property>
        <name>dfs.datanode.data.transfer.portname>
        <value>50010value>
    property>
    <property>
        <name>dfs.datanode.ipc.server.listen.addressname>
        <value>0.0.0.0value>
    property>
    <property>
        <name>dfs.datanode.addressname>
        <value>0.0.0.0:50020value>
    property>
    <property>
        <name>dfs.datanode.http.addressname>
        <value>0.0.0.0:50075value>
    property>
    <property>
        <name>dfs.datanode.https.addressname>
        <value>0.0.0.0:50475value>
    property>
    <property>
        <name>dfs.datanode.max.locks.per.filename>
        <value>10000value>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
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        <value>falsevalue>
    property>
    <property>
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        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
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        <value>falsevalue>
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    <property>
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        <value>falsevalue>
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        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
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        <value>falsevalue>
    property>
    <property>
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        <value>falsevalue>
    property>
    <property>
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        <value>falsevalue>
    property>
    <property>
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        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip-hostname-checkname>
        <value>falsevalue>
    property>
    <property>
        <name>dfs.namenode.datanode.registration.ip

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