+1 This fix has been in limbo for a long time; thanks for finishing
it, Nicholas. -C

On Mon, Oct 19, 2009 at 2:34 PM, Tsz Wo (Nicholas), Sze
<s29752-hadoop...@yahoo.com> wrote:
> DFSClient has a retry mechanism on block acquiring for read.  If the number 
> of retries attends to a certain limit (defined by 
> dfs.client.max.block.acquire.failures), DFSClient will throw a 
> BlockMissingException back to the user application.  In the current 
> implementation, DFSClient counts the failures across multiple block acquiring 
> operations but the block acquiring operations are supposed to be independent. 
>  HDFS-127 fixes this problem by counting the failures within a single 
> operation.
>
> I propose to commit HDFS-127 to 0.20 and above since this fix is safe and 
> very useful.
>
> Nicholas Sze
>
>

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