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What is the default size of ‘max_binlog_cache_size’ system variable?

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What is the default size of ‘max_binlog_cache_size’ system variable?

(a) 1 GB

(b) 2 GB

(c) 4 GB

(d) 8 GB

The question was posed to me in an online quiz.

This intriguing question comes from Using Backups for Data Recovery in division Database Maintenance, Backups and Replication of MySQL

1 Answer

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Best answer
Right option is (c) 4 GB

Explanation: The max_binlog_cache_size system variable can be used to restrict the total size used to cache a multiple-statement transaction. If transaction is larger than this it fails and rolls back.

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