t change/modify the contents of a file once it is written.
>
> Thanks,
> dhruba
>
> -Original Message-
> From: Ahmad Humayun [mailto:[EMAIL PROTECTED]
> Sent: Saturday, March 01, 2008 1:27 AM
> To: [email protected]
> Subject: Re: hdfsLock
>
> We
: [email protected]
Subject: Re: hdfsLock
Well this is what I want to do. Lets say I have two nodes A & B each
working
with the HDFS. I have a file named, say, temp. In the file temp I just
store
a single integer (1 or 0). Now both these nodes access the file temp.
Everything in concept should wor
<[EMAIL PROTECTED]>
> > wrote:
> >
> >> File locking is not supported in HDFS. Not sure if it ever was
> supported
> >> properly. This interface was deprecated last year.
> >>
> >> Raghu.
> >>
> >> Ahmad Humayun wrote:
>
PROTECTED]>
wrote:
File locking is not supported in HDFS. Not sure if it ever was supported
properly. This interface was deprecated last year.
Raghu.
Ahmad Humayun wrote:
Hello everyone,
Does anybody have an idea why hdfsLock and hdfsReleaseLock been taken
out of
libhdfs? How do I lock a f
On Feb 28, 2008, at 9:45 AM, Ahmad Humayun wrote:
Do you any reason why? Is it because only one thread can write to a
specific
file in the hdfs at a single timeand multiple simultaneous readers
doesn't cause any problem...hence locks make no sense in this
situation???
Locks were remov
Raghu Angadi <[EMAIL PROTECTED]>
wrote:
>
> File locking is not supported in HDFS. Not sure if it ever was supported
> properly. This interface was deprecated last year.
>
> Raghu.
>
> Ahmad Humayun wrote:
> > Hello everyone,
> >
> > Does anybody have a
File locking is not supported in HDFS. Not sure if it ever was supported
properly. This interface was deprecated last year.
Raghu.
Ahmad Humayun wrote:
Hello everyone,
Does anybody have an idea why hdfsLock and hdfsReleaseLock been taken out of
libhdfs? How do I lock a file now using
Hello everyone,
Does anybody have an idea why hdfsLock and hdfsReleaseLock been taken out of
libhdfs? How do I lock a file now using libhdfs? Can somebody point me to
the changelog or smth?
regards,
--
Ahmad Humayun
Research Assistant
Computer Science Dpt., LUMS
+92 321 4457315
