Re: Chnage Restful API's default quanlites same as WebUI

2021-01-12 Thread ron8hu
To me, this is a bug. In a parallel system, the duration of a stage is often determined by the slowest task/executor. To monitor/debug a skew issue, the maximal value (or 100% percentile value) is more useful than the 95% percentile value. I am happy to see that we do it right with Web UI. For R

Re: Chnage Restful API's default quanlites same as WebUI

2021-01-12 Thread Sean Owen
The change makes sense of course; I think the real question for everyone is: would you change the semantics of this info from the API in a minor release, or would it have to wait? is it more bug fix than breaking change? On Sun, Jan 10, 2021 at 7:38 PM angers.zhu wrote: > Hi devs, > > These days

Chnage Restful API's default quanlites same as WebUI

2021-01-10 Thread angers . zhu
Hi devs,These days I found that about taskSummary, the Restful API(/applications/[app-id]/stages/[stage-id]/[stage-attempt-id]/taskSummary)'s default quantiles is `0.05,0.25,0.5,0.75,0.95`But in Spark Web UI’s stage page, the quantiles is `0.0,0.25,0.5,0.75,1.0`. And the