[HDFS-9206] Inconsistent default value of dfs.datanode.stripedread.buffer.size

• Type: Sub-task
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 3.0.0-alpha1
• Component/s: erasure-coding
• Hadoop Flags: Reviewed
• Assignee: Walter Su
• Reporter: Walter Su
• Created: 07/Oct/15 02:20
• Updated: 12/May/16 18:12
• Resolved: 07/Oct/15 06:45

Description

DFS_DATANODE_STRIPED_READ_BUFFER_SIZE_DEFAULT = 64 * 1024;

<property>
  <name>dfs.datanode.stripedread.buffer.size</name>
  <value>262144</value>
  <description>Datanode striped read buffer size.
  </description>
</property>

Once before we used 256k cellSize, now we changed to 64k as default value.