sync#2

Merged

GuoPhilipse merged 8 commits intoGuoPhilipse:masterfrom

May 22, 2020

Commits on May 21, 2020

[SPARK-31780][K8S][TESTS] Add R test tag to exclude R K8s image building and test
dongjoon-hyun
committed
[SPARK-31762][SQL] Fix perf regression of date/timestamp formatting in toHiveString

MaxGekk
authored and
cloud-fan
committed
[SPARK-31354] SparkContext only register one SparkSession ApplicationEnd listener

authored and
cloud-fan
committed
[SPARK-31688][WEBUI] Refactor Pagination framework

iRakson
authored and
srowen
committed
[SPARK-29303][WEB UI] Add UI support for stage level scheduling
tgravescs
committed
[SPARK-31765][WEBUI] Upgrade HtmlUnit >= 2.37.0

sarutak
authored and
gengliangwang
committed
Revert "[SPARK-31765][WEBUI] Upgrade HtmlUnit >= 2.37.0"
gengliangwang
committed

Commits on May 22, 2020

[SPARK-31785][SQL][TESTS] Add a helper function to test all parquet readers

MaxGekk
authored and
HyukjinKwon
committed