Examples of org.apache.hadoop.hdfs.protocol.QuotaExceededException

org.apache.hadoop.hdfs.protocol.QuotaExceededException
This exception is thrown when modification to HDFS results in violation of a directory quota. A directory quota might be namespace quota (limit on number of files and directories) or a diskspace quota (limit on space taken by all the file under the directory tree).

The message for the exception specifies the directory where the quota was violated and actual quotas.


      String srcChildName = srcChild.getLocalName();
      
      // check the validity of the destination
      INode dstChild = null;
      QuotaExceededException failureByQuota = null;


      byte[][] dstComponents = INode.getPathComponents(dst);
      INode[] dstInodes = new INode[dstComponents.length];
      rootDir.getExistingPathINodes(dstComponents, dstInodes);
      if (dstInodes[dstInodes.length-1] != null) { //check if destination exists

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      String srcChildName = srcChild.getLocalName();
      
      // check the validity of the destination
      INode dstChild = null;
      QuotaExceededException failureByQuota = null;


      byte[][] dstComponents = INode.getPathComponents(dst);
      INode[] dstInodes = new INode[dstComponents.length];
      rootDir.getExistingPathINodes(dstComponents, dstInodes);
      if (dstInodes[dstInodes.length-1] != null) { //check if destination exists

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      String srcChildName = srcChild.getLocalName();
      
      // check the validity of the destination
      INode dstChild = null;
      QuotaExceededException failureByQuota = null;


      byte[][] dstComponents = INode.getPathComponents(dst);
      INode[] dstInodes = new INode[dstComponents.length];
      rootDir.getExistingPathINodes(dstComponents, dstInodes);
      if (dstInodes[dstInodes.length-1] != null) { //check if destination exists

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   */
  void setQuota(long newNsQuota, long newDsQuota) throws QuotaExceededException {
    // if a quota is not chaged, ignore that in verification.
    if ((newNsQuota >=0 && newNsQuota != nsQuota && newNsQuota < nsCount)  ||
        (newDsQuota >=0 && newDsQuota != dsQuota && newDsQuota < diskspace)) {
      throw new QuotaExceededException(newNsQuota, nsCount, 
                                       newDsQuota, diskspace);
    }


    nsQuota = newNsQuota;
    dsQuota = newDsQuota;

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  private static void verifyQuota(long nsQuota, long nsCount, 
                                  long dsQuota, long diskspace)
                                  throws QuotaExceededException {
    if ((nsQuota >= 0 && nsQuota < nsCount) || 
        (dsQuota >= 0 && dsQuota < diskspace)) {
      throw new QuotaExceededException(nsQuota, nsCount, dsQuota, diskspace);
    }
  }

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   */
  void setQuota(long newNsQuota, long newDsQuota) throws QuotaExceededException {
    // if a quota is not chaged, ignore that in verification.
    if ((newNsQuota >=0 && newNsQuota != nsQuota && newNsQuota < nsCount)  ||
        (newDsQuota >=0 && newDsQuota != dsQuota && newDsQuota < diskspace)) {
      throw new QuotaExceededException(newNsQuota, nsCount, 
                                       newDsQuota, diskspace);
    }


    nsQuota = newNsQuota;
    dsQuota = newDsQuota;

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  private static void verifyQuota(long nsQuota, long nsCount, 
                                  long dsQuota, long diskspace)
                                  throws QuotaExceededException {
    if ((nsQuota >= 0 && nsQuota < nsCount) || 
        (dsQuota >= 0 && dsQuota < diskspace)) {
      throw new QuotaExceededException(nsQuota, nsCount, dsQuota, diskspace);
    }
  }

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Related Classes of org.apache.hadoop.hdfs.protocol.QuotaExceededException

org.apache.hadoop.hdfs.server.namenode.FSDirectory

org.apache.hadoop.hdfs.server.namenode.INodeDirectoryWithQuota

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