MySQL has multiple timeout variables these slides helps to give an overview of the different timeout variables and their purposes briefly.
In this blog post, We will be explaining about the timeouts in SST on systemd implementation which we faced recently in Percona XtraDB Cluster during our Consulting with a client. State Snapshot Transfers (SST) refers to complete data sync from one of the nodes from the cluster to the joining node. SST will happen for one or … Continue reading Handling long duration SST(timeout) in PXC with systemd
In this post, We will learn how to handle online schema change if the table has triggers. In PXC, an alter can be made directly ( TOI ) on tables with less than a 1G ( by default) , but on a 20GB or 200GB table we need some downtime to do ( RSU ). … Continue reading Online Schema Change for Tables with Triggers.
Xtrabackup is the most widely open source hot backup tool for MySQL. Xtrabackup support InnoDB and MyISAM engines.It supports both MySQL Server , Percona Server and MariaDB. This presentation covers some of the important features in Xtrabackup. Pic Courtesy : https://www.flickr.com/photos/robbiewendt/8108744459/
“The MySQL to be explored ” this is what i felt when i worked with it, and just going to share my experience with Aurora . Recently we had an call for MySQL Consulting from one of the famous fantasy gaming site in India, stating that “Database (MySQL) is our bottleneck”, they want it to be … Continue reading Aurora – The MySQL to be explored
In this blog we are going to explore about innodb tablespace encryption technique, which will be useful for securing data. In MySQL 5.7, a new feature "Innodb Tablespace Encryption"has been added to protect the data at rest. This is a most awaited feature in security. This encryption supports all file per table tablespaces and it … Continue reading MySQL Tablespace Encryption ( TDE )