Shuo-Jia commented on issue #840:
URL:
https://github.com/apache/incubator-pegasus/issues/840#issuecomment-1018399256
> meta server should remember the feature list of all the replica server
Well, I see, you can select to resolve it based different cases. Another
resolution is the response just fill the `alive node`when query `feature_list`:
```c++
node_state _state; // global, `node_state` is regarded as latest `nodes-map
config` in rdsn
feature_map _feature; // global, it may include expired node or config;
feature_map resp;// the actually need resp
for(n: node_state) {
resp.put(n, _feature[n]);
}
```
client can triger update if the config is still older and receive error.
It's also say, the config update is lazy, which no need be precisely
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