yahoNanJing commented on issue #209:
URL: https://github.com/apache/arrow-ballista/issues/209#issuecomment-1247508351
Hi @askoa, yes currently we can launch a bunch of tasks in a single grpc
request. However, for the same stage, they don't share the information, like
execution plan, etc.
I'd like to add something like this.
```
// A set of tasks in the same stage
message MultiTaskDefinition {
PartitionIds task_ids = 1;
bytes plan = 2;
string session_id = 3;
repeated KeyValuePair props = 4;
}
```
Then we can not only reduce the rpc request body size, but also reduce the
execution plan deserialization cost.
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