The quorum-based journal implementation is in HDFS-3077, soon to be
merged to trunk.
The BookKeeper-based implementation has been developed on trunk under
a contrib/ module.
Thanks
-Todd
On Tue, Sep 25, 2012 at 3:34 PM, Sujee Maniyam wrote:
> and what branch is this work going into?
> thanks
>
and what branch is this work going into?
thanks
Sujee
On Mon, Sep 10, 2012 at 4:18 PM, Sujee Maniyam wrote:
> Thanks very much for all your input! Much appreciated...
>
Thanks very much for all your input! Much appreciated...
details in that JIRA.
Regards,
Uma
From: Sujee Maniyam [su...@sujee.net]
Sent: Wednesday, September 05, 2012 4:07 AM
To: hdfs-dev@hadoop.apache.org
Subject: current direction in namenode HA
Hello devs,
I am trying to understand the current state / direction
small correction:
This is for your Option 4:
you can take a look at HDFS-3077
In this umbrella JIRA, work is going actively.
@Ted, thanks for adding the link.
Regards,
Uma
On Wed, Sep 5, 2012 at 4:39 AM, Uma Maheswara Rao G wrote:
> Hi Sujee,
>
> Thanks a lot for your interest on HA.
>
Uma:
Attachment is stripped in this mailing list.
I guess you were trying to attach this file:
https://issues.apache.org/jira/secure/attachment/12538911/BKTestDoc.pdf
On Tue, Sep 4, 2012 at 4:09 PM, Uma Maheswara Rao G wrote:
> Hi Sujee,
>
> Thanks a lot for your interest on HA.
>
> for #1
> If y
Hi Sujee,
Thanks a lot for your interest on HA.
for #1
If you can invest on NFS filers, it is another option. If you want to try
this, you can use released Hadoop-2 version and try.
but above #2 and #3 will avoid this external hardware dependency.
for #2 you can take a look at HDFS-3399
We
Hi Sujee,
On Tue, Sep 4, 2012 at 3:37 PM, Sujee Maniyam wrote:
> I am trying to understand the current state / direction of namenode
> HA implementation.
>
Thanks for the interest.
>
> For using shared directory, I see the following options
> (from
> http://www.cloudera.com/blog/2012/03/high
Hello devs,
I am trying to understand the current state / direction of namenode
HA implementation.
For using shared directory, I see the following options
(from
http://www.cloudera.com/blog/2012/03/high-availability-for-the-hadoop-distributed-file-system-hdfs/
and https://issues.apache.org/j