I needed to start mysql without privileges after a database restore today, and while confirming the correct option which was –skip-grant-tables I came across an option which made me laugh.
$ mysqld --verbose --help
...
--sporadic-binlog-dump-fail
Option used by mysql-test for debugging and testing of
replication.
...
And here is the Official Manual Entry
In a CPU-bound database workload, regardless of price, would you scale-up or scale-new? What if price was the driving factor, would you scale-up or scale-new? I am using as a baseline the first available AWS Graviton2 processor for RDS (r6g).
Read moreAs part of using public datasets with my own Benchmarking Suite I wanted upsize a dataset for larger volume testing. I have always used the INFORMATION_SCHEMA.TABLES data_length and index_length columns as a sufficiently accurate measurement for actual disk space used.
Read moreDuring my setup of benchmarking I run a quick test-sysbench script to ensure my configuration is right before running an hour+ duration test. When pointing to a Readyset cache where I have cached the 5 queries used in the sysbench test, but I have not run any execution of the SQL, throughput went up 10x in 5 seconds.
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