[HDFS-16772] refreshHostsReader should use the new configuration

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.4.0
• Fix Version/s: 3.4.0
• Component/s: datanode, namanode
• Labels: pull-request-available
• Target Version/s: 3.4.0
• Hadoop Flags: Reviewed
• Assignee: ZanderXu
• Reporter: ZanderXu
• Created: 15/Sep/22 03:23
• Updated: 28/Jan/24 08:05
• Resolved: 19/Sep/22 20:28

Description

`refreshHostsReader` should use the latest configuration.

And the current code as bellow:

/** Reread include/exclude files. */
private void refreshHostsReader(Configuration conf) throws IOException {
  if (conf == null) {
    conf = new HdfsConfiguration();
    // BUG here
    this.hostConfigManager.setConf(conf);
  }
  this.hostConfigManager.refresh();
} 

Issue Links

• links to: GitHub Pull Request #4890