kv-client(cdc): add more logs to help debug slow regions (#9981)#9984

Merged

ti-chi-bot[bot] merged 2 commits intopingcap:release-7.5from ti-chi-bot:cherry-pick-9981-to-release-7.5

Nov 1, 2023

+154-24

Commits on Nov 1, 2023

kv-client(cdc): log slowest regions and region holes (pingcap#9933 )
hicqu
committed
kv-client(cdc): add more logs to help debug slow regions (pingcap#9981 )
hicqu
committed