wanyaoqi
wanyaoqi
Cherry pick of #14996 on release/3.9. #14996: fix(host): live migrate optimize
- support set live migrate bandwidth - support cancel migrate - live migrate enable multifd - cancel set live migrate max downtime in init live migrate - save and sync...
**What this PR does / why we need it**: policy and task worker count configurable **Does this PR need to be backport to the previous release branch?**: release/3.8 /cc @swordqiu
Cherry pick of #20272 on release/3.9. #20272: Automated cherry pick of #20270: fix(region,host): slvm misc fix
Cherry pick of #20271 on master. #20271: Automated cherry pick of #20270: fix(region,host): slvm misc fix
Cherry pick of #20270 on release/3.12. #20270: fix(region,host): slvm misc fix
Cherry pick of #20270 on release/3.10. #20270: fix(region,host): slvm misc fix
**What this PR does / why we need it**: **Does this PR need to be backport to the previous release branch?**: release/3.9
**What this PR does / why we need it**: **Does this PR need to be backport to the previous release branch?**: release/3.11