Enhancing Performance with Parallel Index Rebuild in MySQL 8.0.31

Enhancing Performance with Parallel Index Rebuild in MySQL 8.0.31

Exploring Aurora serverlessV2 for MySQL Part 3

Exploring Aurora serverlessV2 for MySQL Part 3

How to Troubleshoot a MySQL Replica IO Thread that is Stuck in a Connecting State

How to Troubleshoot a MySQL Replica IO Thread that is Stuck in a Connecting State

Upgrade Your MySQL Database: Don’t Get Left Behind

The End-of-Life (EOL) date for MySQL 5.7 is scheduled for October 2023, which means that after that date, MySQL 5.7 will no longer receive updates, bug fixes, or security patches. This does not mean that MySQL 5.7 will stop working after the EOL date, but it does mean that any issues or vulnerabilities discovered after …

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pt-online-schema-change resulted in missing MySQL triggers ?

Recently, while doing a test process to examine resource usage and the time required to alter the table using pt-osc, it leads to a loss of triggers even though the --preserve-triggers option is specified. I made the decision to recreate the identical circumstance so that everyone could see it. Test environment :  OS: Amazon Linux …

Generate Invisible Primary Key (GIPK) MySQL 8.0

The Primary key is like the hero of a row, which has more beneficial features in the table while performing any task on the table. The DBA knows the importance of the primary key in the table and how to handle it. Notable features of having a primary key:Requirements:Enabling GIPK:Handling GIPK:BenchmarkingData loading :Limitations:Conclusion: Notable features …

MySQL time_zone and CPU Spike another performance troubleshooting

It was a clear day and traffic started to increase as we are in the biggest sale event of the year for one of our Managed services clients. This is one of the interesting troubleshooting let's dive in. Let me provide some background. We were running the Percona version of MySQL (5.7.30), on a 96 …

How to Estimate time for Rollback in a cancelled transaction MySQL ?

Rollback is an operation, which changes the current state of the transaction to the previous state. Undo logs are generally required if we want to roll back any of the uncommitted transactions and it plays a major role in Isolation. For any changes made during a transaction, it must be stored priorly, because they are …

Introduction to MySQL Parallel query in AWS Aurora

Aurora has a salient feature "Parallel query", Which will be more beneficial for analytical workload environments. Before going to deep dive on this particular feature, let us understand the basis of Aurora. Aurora Archiecture Key feature The key feature of Aurora is simple data synchronisation among the nodes. The sync latency will be too low …

Fastest Parallel replication method in MySQL 8.

From MySQL 5.7, we had a Multi-threaded Slave (MTS) Applier mechanism called LOGICAL_CLOCK to overcome the problems of parallel replication within a database. To further improve the parallelisation mechanism, from MySQL 8 (5.7.22) we have write-set replication, so before going further , lets look at the difference between Logical clock (LC) and Writeset. LOGICAL_CLOCK Transactions that …