7173786153
### What changes were proposed in this pull request? This PR adds two pages to Web UI for Structured Streaming: - "/streamingquery": Streaming Query Page, providing some aggregate information for running/completed streaming queries. - "/streamingquery/statistics": Streaming Query Statistics Page, providing detailed information for streaming query, including `Input Rate`, `Process Rate`, `Input Rows`, `Batch Duration` and `Operation Duration` ![Screen Shot 2020-01-29 at 1 38 00 PM](https://user-images.githubusercontent.com/1000778/73399837-cd01cc80-429c-11ea-9d4b-1d200a41b8d5.png) ![Screen Shot 2020-01-29 at 1 39 16 PM](https://user-images.githubusercontent.com/1000778/73399838-cd01cc80-429c-11ea-8185-4e56db6866bd.png) ### Why are the changes needed? It helps users to better monitor Structured Streaming query. ### Does this PR introduce any user-facing change? No ### How was this patch tested? - new added and existing UTs - manual test Closes #26201 from uncleGen/SPARK-29543. Lead-authored-by: uncleGen <hustyugm@gmail.com> Co-authored-by: Yuanjian Li <xyliyuanjian@gmail.com> Co-authored-by: Genmao Yu <hustyugm@gmail.com> Signed-off-by: Shixiong Zhu <zsxwing@gmail.com> |
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