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 <E610D10A-1B7B-468E-9717-0F6DD195DF43@gmail.com>
From: Harsh J <harsh@cloudera.com>
Date: Mon, 18 Feb 2013 01:19:09 +0530
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 <CAOcnVr05NRZG-iWjhA6amNrT=QNDvA0SZK3wu0qYs29=Pzy3cg@mail.gmail.com>
Subject: Re: How to monitor HDFS upgrade status after removal of "dfsadmin
 -upgradeProgress status" command?
To: hdfs dev <hdfs-dev@hadoop.apache.org>
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Hi Scott,

Is your goal to monitor the metadata upgrade? It can be checked on the web =
UI.

Before finalization, you can see a message on the top banner on the NN
frontpage such as:

"Upgrade for version -40 is in progress. Status =3D 94% has been
completed. Upgrade is not finalized."

After the upgrade procedure completes, its "Upgrade for version -40
has been completed. Upgrade is not finalized."

At which point you can check for operational stability and issue a
finalize to make the upgrade permanent.

Does this help? Is there anything else you'd like to see?

On Sun, Feb 3, 2013 at 2:26 AM, Scott Forman <lsforman.931@gmail.com> wrote=
:
> Hi,
>
> I am resending this mail, as it appears it never made it to the hdfs-dev =
mailing list.
>
> I see that the dfsadmin command, -upgradeProgress, has been removed as pa=
rt of HDFS-2686 (https://issues.apache.org/jira/browse/HDFS-2686).  So I am=
 wondering if there is another command that can be used to determine the up=
grade status.
>
> I believe a script could be written to determine the upgrade status by lo=
oking to see if the namenode is running with  either the upgrade or finaliz=
e flag, and to check if there is a previous directory under dfs.name.dir.  =
But I am wondering if there is an existing method.
>
> Thanks,
> Scott
>


--
Harsh J