+1 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 > >
