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From Apache Wiki <wikidi...@apache.org>
Subject [Lucene-hadoop Wiki] Update of "hopen" by honkliu
Date Wed, 24 Oct 2007 03:02:51 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Lucene-hadoop Wiki" for change notification.

The following page has been changed by honkliu:
http://wiki.apache.org/lucene-hadoop/hopen

New page:
#FORMAT plain
hopen(1)                      HADOOP                       hopen(1)

NAME
        hopen - open a TaskTracker to accept new tasks. 
 
SYNOPSIS
        hopen [-h] [-jt jt1;jt2..] HOSTNAME 

DESCRIPTION
        Open the TaskTracker specified by HOSTNAME. After re-opened, it will
        then accept new MAP/REDUCE tasks. 

        -h
                Display usage information

        -jt jobtracker url link
                Specify the cluster by the jobtracker url link, for example. 
                        -jt hostA:3479;hostB:3479
EXAMPLE
        % hhosts
        HOST    STATUS  MAX     MAP     REDUCE  FAILURE TMP_SPACE
        c0101   ok      8       0       0       0       203M
        c0102   closed  8       0       0       0       553M

        % hopen c0102
        Host <c0102> will be open, please confirm by hhosts/hload

        % hhosts                                                        
        HOST    STATUS  MAX     MAP     REDUCE  FAILURE TMP_SPACE
        c0101   ok      8       0       0       0       203M
        c0102   ok      8       0       0       0       553M
AUTHOR
        Written by Shuguang Liu

REPORT BUGS
        Report bugs to <honkliu@hotmail.com>

COPYRIGHT
        Copyright (C) 2005-2010 Shuguang Liu's Inc.

        This file is not a free software, all the source codes are protected
        and will not be released to any body or organization without 
        authority. 

SEE ALSO
        hclose(1), hslot(1), hhosts(1), hload(1)

hopen (hadoop utils) 13.0               September 2007 

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