hadoop2.2.0 core-site.xml--FTP file system

最新推荐文章于 2022-06-15 13:58:02 发布

原创最新推荐文章于 2022-06-15 13:58:02 发布 · 427 阅读

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本文深入探讨了FTP文件系统的配置参数，包括stream-buffer-size、bytes-per-checksum、client-write-packet-size、blocksize和replication等关键参数的含义及其对读写操作的影响。

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<property>
  <name>ftp.stream-buffer-size</name>
  <value>4096</value>
  <description>The size of buffer to stream files.
  The size of this buffer should probably be a multiple of hardware
  page size (4096 on Intel x86), and it determines how much data is
  buffered during read and write operations.</description>
</property>

<property>
  <name>ftp.bytes-per-checksum</name>
  <value>512</value>
  <description>The number of bytes per checksum.  Must not be larger than
  ftp.stream-buffer-size</description>
</property>

<property>
  <name>ftp.client-write-packet-size</name>
  <value>65536</value>
  <description>Packet size for clients to write</description>
</property>

<property>
  <name>ftp.blocksize</name>
  <value>67108864</value>
  <description>Block size</description>
</property>

<property>
  <name>ftp.replication</name>
  <value>3</value>
  <description>Replication factor</description>
</property>