*: picks some hot-region improvements to release 3.1#2342

Merged

sre-bot merged 9 commits intotikv:release-3.1from nolouch:pick-hot

Apr 10, 2020

+1,693-633

Commits on Apr 10, 2020

scheduler: hotspot: solution-based key-rate-aware balance solver (tikv#2141 )

Luffbee
authored and
nolouch
committed
*: Parameterize hotspot scheduling and adjust hot cache (tikv#2239 )
nolouch
committed
statistic: add moving average for stable hot (tikv#2286 )

lhy1024
authored and
nolouch
committed
schedulers: add some metrics for hotreigon (tikv#2295 )
nolouch
committed
scheduelrs: add load expectations for hot scheudler (tikv#2297 )
nolouch
committed
schedulers/hot: let leader can be schedule even if the peer is not balanced (tikv#2298 )
nolouch
committed
schedulers: add src and dst tolerance ratio for hot scheduler (tikv#2308 )

lhy1024
authored and
nolouch
committed
schedulers: adjust calculate rank process (tikv#2314 )
nolouch
committed
fix
nolouch
committed