No, if you look at the click the job id and watch the details of this job, some task must failed.
Jeff Zhang 2009/12/27 Doopah Shaf <[email protected]> > The web UI doesn't show any failures. > > And it does show several reduce tasks with progress = 475.70%... any clues? > > On Sun, Dec 27, 2009 at 12:20 PM, <[email protected]> wrote: > > > Task failed? > > > > ---- 原始信息 ---- > > 发自: Doopah Shaf <[email protected]> > > 发送时间: > > 收件人: [email protected] > > 主题: hadoop job progress going back > > > > Running jobs sometimes displays progress as follows: > > > > map 100% reduce 10% > > > > and then > > > > map 100% reduce 0% > > > > What causes this? Is this speculative execution restarting tasks? > > > > Cheers, > > DS > > >
