Daniel, Thanks for the explanation.
On Wed, Jun 11, 2014 at 8:57 AM, Daniel Darabos < daniel.dara...@lynxanalytics.com> wrote: > About more succeeded tasks than total tasks: > - This can happen if you have enabled speculative execution. Some > partitions can get processed multiple times. > - More commonly, the result of the stage may be used in a later > calculation, and has to be recalculated. This happens if some of the > results were evicted from cache. > > > On Wed, Jun 11, 2014 at 2:23 AM, Shuo Xiang <shuoxiang...@gmail.com> > wrote: > >> Hi, >> Came up with some confusion regarding the information on SparkUI. The >> following info is gathered while factorizing a large matrix using ALS: >> 1. some stages have more succeeded tasks than total tasks, which are >> displayed in the 5th column. >> 2. duplicate stages with exactly same stageID (stage 1/3/7) >> 3. Clicking into some stages, some executors cannot be addressed. Does >> that mean lost of executor or this does not matter? >> >> Any explanation are appreciated! >> >> >> >
