Java Code Examples for org.apache.hadoop.hdfs.server.protocol.NamespaceInfo#getSoftwareVersion()

The following examples show how to use org.apache.hadoop.hdfs.server.protocol.NamespaceInfo#getSoftwareVersion() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: BPServiceActor.java From hadoop with Apache License 2.0

6 votes

private void checkNNVersion(NamespaceInfo nsInfo)
    throws IncorrectVersionException {
  // build and layout versions should match
  String nnVersion = nsInfo.getSoftwareVersion();
  String minimumNameNodeVersion = dnConf.getMinimumNameNodeVersion();
  if (VersionUtil.compareVersions(nnVersion, minimumNameNodeVersion) < 0) {
    IncorrectVersionException ive = new IncorrectVersionException(
        minimumNameNodeVersion, nnVersion, "NameNode", "DataNode");
    LOG.warn(ive.getMessage());
    throw ive;
  }
  String dnVersion = VersionInfo.getVersion();
  if (!nnVersion.equals(dnVersion)) {
    LOG.info("Reported NameNode version '" + nnVersion + "' does not match " +
        "DataNode version '" + dnVersion + "' but is within acceptable " +
        "limits. Note: This is normal during a rolling upgrade.");
  }
}

Example 2

Source File: BPServiceActor.java From big-c with Apache License 2.0

6 votes

private void checkNNVersion(NamespaceInfo nsInfo)
    throws IncorrectVersionException {
  // build and layout versions should match
  String nnVersion = nsInfo.getSoftwareVersion();
  String minimumNameNodeVersion = dnConf.getMinimumNameNodeVersion();
  if (VersionUtil.compareVersions(nnVersion, minimumNameNodeVersion) < 0) {
    IncorrectVersionException ive = new IncorrectVersionException(
        minimumNameNodeVersion, nnVersion, "NameNode", "DataNode");
    LOG.warn(ive.getMessage());
    throw ive;
  }
  String dnVersion = VersionInfo.getVersion();
  if (!nnVersion.equals(dnVersion)) {
    LOG.info("Reported NameNode version '" + nnVersion + "' does not match " +
        "DataNode version '" + dnVersion + "' but is within acceptable " +
        "limits. Note: This is normal during a rolling upgrade.");
  }
}