I have two tables. One table is 13 million rows the other is about 250,000. I am trying to join the two to find users. The tables are not indexed and I know that will effect the speed, but the join never completes. I let it run for about 10 hours and the process was stuck in the "sending" state, which I don't really understand. What is taking so long? The join size should be no greater than 250,000 which is the size of the second table. Yes???

I am using the default join_buffer size, which seems to low. Might this be the problem?


-- Allen Brost



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