kangkaisen commented on issue #4797:
URL:
https://github.com/apache/incubator-doris/issues/4797#issuecomment-716938770
> > In fact. you are doing the in-memory compaction, but we will also do
disk compaction, which is repetitive. How do you avoid this issue?
>
> Sometimes, disk compaction may not be done in time.
You shouldn't do this assumption always, we should the mechanism to avoid
one tablet does in-memory compaction and disk compaction at the same time.
Besides, you should consider memory usage. If one table load involves 1000
tablets, at most, you will use 1000 * 100MB = 100GB memory. How do you avoid
this issue?
Does the vector<MemTable> respect to `DeltaWriter::flush_memtable_and_wait`?
If so, I think it isn't very simple.
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