kangpinghuang opened a new issue #2247: add a flag mechanism for FE to control all BEs' behaviour URL: https://github.com/apache/incubator-doris/issues/2247 **Is your feature request related to a problem? Please describe.** Now, Doris lack a mechinism for FE to control all BEs. To solve the issue #2245 's problem No.2, we need a ability like this to set all BE's default rowset type and compaction rowset type. This mechanism can also be used for other purposes. Here my basic design: 1. add a field(maybe use binary format for extensible) in heartbeat message between FE and BE 2. treat the flag field as bitmap, different bit stands for different function. 3. add a http request to set the flag in FE 4. BE can parse the flag to do the different functions.
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