[HADOOP-14076] Allow Configuration to be persisted given path to file

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Later
• Assignee: Unassigned
• Reporter: Ted Yu
• Created: 10/Feb/17 22:49
• Updated: 09/Mar/17 00:26
• Resolved: 09/Mar/17 00:26

Description

Currently Configuration has the following methods for persistence:

  public void writeXml(OutputStream out) throws IOException {

  public void writeXml(Writer out) throws IOException {

Adding API for persisting to file given path would be useful:

  public void writeXml(String path) throws IOException {

Background: I recently worked on exporting Configuration to a file using JNI.
Without the proposed API, I resorted to some trick such as the following:
http://www.kfu.com/~nsayer/Java/jni-filedesc.html