What version are you using? On Thu, Apr 14, 2011 at 3:55 PM, Thanh Do <than...@cs.wisc.edu> wrote:
> Hi all, > > I have recently seen silent data loss in our system. > Here is the case: > > 1. client appends to some block > 2. for some reason, commitBlockSynchronization > returns successfully with synclist = [] (i.e empty) > 3. in the client code, NO exception is thrown, and > client appends successfully. > 4. However, the block replicas are then removed from > datanodes, causing data loss. > > Have any one seen this before? > Is this behavior by design or a bug? > > Many thanks, > Thanh > > > >