HappenLee opened a new pull request #3820:
URL: https://github.com/apache/incubator-doris/pull/3820
1. Add enable spilling in query option, upport spill disk in
Analytic_Eval_Node, FE can open enable spilling by
set enable_spilling = true;
Now, Sort Node and Analytic_Eval_Node can spill to disk.
2. Delete merge merge_sorter code we do not use now.
3. Replace buffered_tuple_stream by buffered_tuple_stream2 in
Analytic_Eval_Node and support spill to disk. Delete the useless code of
buffered_block_mgr and buffered_tuple_stream.
4. Add DataStreamRecvr Profile. Move the counter belong to DataStreamRecvr
from fragment to DataStreamRecvr Profile to make clear of Running Profile.
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