[HDFS-3138] Move DatanodeInfo#ipcPort to DatanodeID

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.0.0-alpha
• Hadoop Flags: Incompatible change, Reviewed
• Release Note: This change modifies DatanodeID, which is part of the client to server protocol, therefore clients must be upgraded with servers.
• Assignee: Eli Collins
• Reporter: Eli Collins
• Created: 23/Mar/12 23:50
• Updated: 28/Sep/15 20:58
• Resolved: 30/Mar/12 17:52

Description

We can fix the following TODO once HDFS-3137 is committed.

    //TODO: move it to DatanodeID once DatanodeID is not stored in FSImage
    out.writeShort(ipcPort);

Issue Links

• depends upon: HDFS-3137 Bump LAST_UPGRADABLE_LAYOUT_VERSION to -16
• relates to: HDFS-3164 Move DatanodeInfo#hostName to DatanodeID