Merge docs special week branch to docs master#2623

Merged

yikeke merged 6 commits into

docs-special-week

May 28, 2020

Commits on May 20, 2020

Update command line flags for pd configruation (#2596)
nolouch
authored

Commits on May 21, 2020

Remove upgrade-tiflash.md (#2597)

flowbehappy
and
yikeke
authored

Commits on May 26, 2020

Move TiFlash troubleshoot part to a new document (#2602)
leiysky
authored

Commits on May 27, 2020

best-practice: update massive regions to match 4.0 (#2595)
BusyJay
authored

Commits on May 28, 2020