(Paul Namuag) We discussed in our previous blogs about the MySQL-related dashboards. We highlighted the things that a DBA can benefit from by studying the graphs, especially when performing their daily routines from diagnostics, metric reporting, and capacity planning.
Tag: Open Source
GH-OST for MySQL Schema Change.
Schema change is one of the crucial tasks in MySQL with huge tables. Schema change can cause locks.
How To Best Use Percona Server Column Compression With Dictionary
(Yves Trudeau) Very often, database performance is affected by the inability to cache all the required data in memory. Disk IO, even when using the fastest devices, takes much more time than a memory access.
How To Implement Parent-Child Relationship in MySQL
(Valentine Oleka) If the first time you heard this phrase “parent-child relationship in MySQL”, you went “Ok, anyone else got cool made up names or are we to start brainstorming now”, then this article is for you.
Extending replication instrumentation: an insight on transaction retries
(Maria Couceiro) MySQL 8.0.13 improves replication lag monitoring by extending the instrumentation for transaction transient errors.
MySQL TDE: Online key store migration
(Keith Hollman) So, if we’re applying GDPR to our system, and we’re already making use of MySQL Transparent Data Encryption / keyring, then here’s an example on how to migrate from filed-based keyring to the encrypted keyring. Online.
Instrumenting Read Only Transactions in InnoDB
(Przemys³aw Malkowski) Probably not well known but quite an important optimization was introduced in MySQL 5.6 – reduced overhead for “read only transactions”.
MySQL 8: Performance Schema Digests Improvements
(Jesper Krogh) Since MySQL 5.6, the digest feature of the MySQL Performance Schema has provided a convenient and effective way to obtain statistics of queries based on their normalized form.
Persistence of autoinc fixed in MySQL 8.0
(Fernando Laudares Camargos and Trey Raymond) The release of MySQL 8.0 has brought a lot of bold implementations that touched on things that have been avoided before, such as added support for common table expressions and window functions.
MySQL Adventures: How max_prepared_stmt_count can bring down production
(Bhuvanesh) We recently moved an On-Prem environment to GCP for better scalability and availability.