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Re: HDFS File read issue
Maybe you can use zookeeper to achieve this
On Mon, Jan 25, 2010 at 3:20 PM, MOHAMMED IRFANULLA S <

>  Hi,
>  I'm using hadoop 0.20.1.
> I would appreciate any help on the following issue in HDFS.
> User1 has created a file file1.txt and started writing to this file(Writer
> thread).
> User2 and user3 try to read from this file. But cannot read anything until
> atleast one of the blocks is complete. and they cannot read any block under
> development. (Reader threads)
> Is it possible to block/prevent user2 and User3 from reading the file1.txt
> completely until the Writer thread calls close().
> If possible, how to achieve it ?
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Best Regards

Jeff Zhang