15 lines
488 B
Plaintext
15 lines
488 B
Plaintext
The alter_online grammars are for hunting server crashes when
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concurrent DDL meets concurrent DML in transactions.
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Please note that MySQL/InnoDB decide depending on the situation
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if some ALTER TABLE operation will use the old ALTER TABLE
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algorithm (COPY) or the new ALTER TABLE algorithm (INPLACE).
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Recommended RQG setup:
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duration = 1200,
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queries = 30000,
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threads ~ 12
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lock-wait-timeout = 2,
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innodb-lock-wait-timeout = 1,
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default-storage-engine = 'InnoDB',
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