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Posted to mapreduce-user@hadoop.apache.org by Wangda Tan <wh...@gmail.com> on 2014/03/28 03:12:10 UTC

Re: How to get locations of blocks programmatically?

Hi Libo,
DFSClient.getBlockLocations, is this what you want?

Regards,
Wangda Tan

On Fri, Mar 28, 2014 at 10:03 AM, Libo Yu <yu...@hotmail.com> wrote:

> Hi all,
>
> "hadoop path fsck -files -block -locations" can list locations for all
> blocks in the path.
> Is it possible to list all blocks and the block locations for a given path
> programmatically?
> Thanks,
>
> Libo
>

RE: How to get locations of blocks programmatically?

Posted by Libo Yu <yu...@hotmail.com>.

Thanks, it is useful. If I know the block I'd, how to find out its location?

From: wheeleast@gmail.com
Date: Fri, 28 Mar 2014 10:12:10 +0800
Subject: Re: How to get locations of blocks programmatically?
To: user@hadoop.apache.org

Hi Libo,DFSClient.getBlockLocations, is this what you want?

Regards,Wangda Tan

On Fri, Mar 28, 2014 at 10:03 AM, Libo Yu <yu...@hotmail.com> wrote:

Hi all,

"hadoop path fsck -files -block -locations" can list locations for all blocks in the path.
Is it possible to list all blocks and the block locations for a given path programmatically?

Thanks,

Libo

RE: How to get locations of blocks programmatically?

Posted by Libo Yu <yu...@hotmail.com>.

Thanks, it is useful. If I know the block I'd, how to find out its location?

From: wheeleast@gmail.com
Date: Fri, 28 Mar 2014 10:12:10 +0800
Subject: Re: How to get locations of blocks programmatically?
To: user@hadoop.apache.org

Hi Libo,DFSClient.getBlockLocations, is this what you want?

Regards,Wangda Tan

On Fri, Mar 28, 2014 at 10:03 AM, Libo Yu <yu...@hotmail.com> wrote:

Hi all,

"hadoop path fsck -files -block -locations" can list locations for all blocks in the path.
Is it possible to list all blocks and the block locations for a given path programmatically?

Thanks,

Libo

RE: How to get locations of blocks programmatically?

Posted by Libo Yu <yu...@hotmail.com>.

Thanks, it is useful. If I know the block I'd, how to find out its location?

From: wheeleast@gmail.com
Date: Fri, 28 Mar 2014 10:12:10 +0800
Subject: Re: How to get locations of blocks programmatically?
To: user@hadoop.apache.org

Hi Libo,DFSClient.getBlockLocations, is this what you want?

Regards,Wangda Tan

On Fri, Mar 28, 2014 at 10:03 AM, Libo Yu <yu...@hotmail.com> wrote:

Hi all,

"hadoop path fsck -files -block -locations" can list locations for all blocks in the path.
Is it possible to list all blocks and the block locations for a given path programmatically?

Thanks,

Libo

RE: How to get locations of blocks programmatically?

Posted by Libo Yu <yu...@hotmail.com>.

Thanks, it is useful. If I know the block I'd, how to find out its location?

From: wheeleast@gmail.com
Date: Fri, 28 Mar 2014 10:12:10 +0800
Subject: Re: How to get locations of blocks programmatically?
To: user@hadoop.apache.org

Hi Libo,DFSClient.getBlockLocations, is this what you want?

Regards,Wangda Tan

On Fri, Mar 28, 2014 at 10:03 AM, Libo Yu <yu...@hotmail.com> wrote:

Hi all,

"hadoop path fsck -files -block -locations" can list locations for all blocks in the path.
Is it possible to list all blocks and the block locations for a given path programmatically?

Thanks,

Libo