This commit is contained in:
alesapin 2021-10-14 10:49:12 +03:00
parent b3c2229ad9
commit 386d47cb22

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@ -4,4 +4,4 @@ SYSTEM FLUSH LOGS;
-- We had a bug which lead to additional compressed data read. test.hits compressed size is about 1.2Gb, but we read more then 3Gb. -- We had a bug which lead to additional compressed data read. test.hits compressed size is about 1.2Gb, but we read more then 3Gb.
-- Small additional reads still possible, so we compare with about 1.5Gb. -- Small additional reads still possible, so we compare with about 1.5Gb.
SELECT ProfileEvents['ReadBufferFromFileDescriptorReadBytes'] < 1500000000 from system.query_log where query = 'SELECT sum(cityHash64(*)) FROM datasets.hits_v1 SETTINGS max_threads=40' and databaser=currentDatabase() and type = 'QueryFinish'; SELECT ProfileEvents['ReadBufferFromFileDescriptorReadBytes'] < 1500000000 from system.query_log where query = 'SELECT sum(cityHash64(*)) FROM datasets.hits_v1 SETTINGS max_threads=40' and current_database = currentDatabase() and type = 'QueryFinish';