FAQ
Dhruba,

I'm working on making hdfs byzantine fault tolerant and was wondering if I
have to account for current implementation of append.
If all append semantic and design will be changed (as HADOOP-5744
indicated),
I might have to wait for it to come out.
If the change won't be significant, I will probably continue with current
implementation.

Do you have any comment on this?
Thanks,

Sangmin
On Mon, May 4, 2009 at 3:20 AM, Dhruba Borthakur wrote:

The code for "append" is not supported in stable releases. The .doc from
HADOOP-1700 explains the semantics of "append". There are quite a few open
issues that need to be addressed before "append" is production ready for
general applications, i.e. HADOOP-4663, HADOOP-4379, HADOOP-5027 among
others.

what type of application do you have that wants to use "append"?

thanks
dhruba

On Mon, May 4, 2009 at 12:55 AM, Sangmin Lee wrote:

Hi all,

I am wondering if append for hdfs is supported in stable releases.
If not, what is the issue? ( I see code for append is already there in
repository )
Also where can I find the documentation of current semantic of append?
(I see some .doc files from HADOOP-1700 but not sure if they are
out-dated)
Can anyone shed some light on this?

Thanks,
Sangmin

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postedMay 4, '09 at 7:55a
activeMay 4, '09 at 5:45p
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