Lightman

[Enhancement] Support altering the property "light_schema_change" for the tables which created before 1.2

2

### Search before asking - [X] I had searched in the [issues](https://github.com/apache/doris/issues?q=is%3Aissue) and found no similar issues. ### Description There is similar issue [related-issue](https://github.com/apache/doris/issues/15601) but it's closed. For the tables...

[Feature] Support to do schema change in cloud mode

13

## Proposed changes Issue Number: close #xxx Refactor the codes about schema change and support to do schema change in cloud mode. ## Further comments If this is a relatively...

[Bugfix] Fix mv column type is not changed when do schema change

24

## Proposed changes Issue Number: close #xxx When modify column type which also belong mv, the colume type is only changed in baseIndex. The reference mv column is also old...

### Search before asking - [X] I had searched in the [issues](https://github.com/apache/doris/issues?q=is%3Aissue) and found no similar issues. ### Description We need to test schema change at different latitudes to make...

[improve] optimize the cache log

11

The file cache prints too many logs in _disk_resource_limit_mode. Need to reduce printing frequency.