MySQL has come up with window function in latest GA MySQL 8.0 . It is a major leap in SQL for MySQL. This presentation provides an overview to window function in MySQL 8.0. https://www.slideshare.net/MyDBOPS/window-functions-in-my-sql-8 Window Function in MySQL 8.0
Data security plays a major role in current age. Privacy matters a lot. Data masking is one of the Key Features when comes to security. In MySQL community versions if you want to mask your data, You can go with a Maxscale load balancer. They introduced a new masking filter on the Maxscale 2.1 version. … Continue reading Security: Data Masking in MySQL 8.0 server
Database schema change is becoming more frequent than before, Four out of five application updates(Releases) requires a corresponding database change, For a DBA schema change is a more often a repetitive task, it might be a request from the application team for adding or modifying columns in a table and many more cases. MySQL supports … Continue reading An Overview of DDL Algorithm’s in MySQL ( covers MySQL 8)
This blog is about one of the issues encountered by our Remote DBA Team in one of the production servers. We have a setup of MySQL 5.7 Single Primary (Writer) GR with cluster size of 3 . Due to OOM, the MySQL process in the primary node got killed, this repeated over the course of … Continue reading MySQL Group Replication and its Memory consumption (troubleshooting).
ProxySQL is a high-performance load balancer that helps DBAs a lot and gives more control over MySQL Database. At Mydbops we use ProxySQL extensively to support our customers. We have seen a variety of use cases with ProxySQL and blogged a few We have written a series of blogs on ProxySQL (ProxySQL Series) MySQL replication … Continue reading Monitoring MySQL using ProxySQL
We will have a look at a new feature in MySQL 8.0 called binlog encryption. This feature is available from the MySQL version 8.0.14 or above. Our previous blogs discussed about table space encryption in MySQL and Percona servers. In Mydbops, we are giving high importance about achieving security compliances. The binary log records changes … Continue reading Securing MySQL Binary logs at Rest in MySQL 8.0
As a part of Mydbops Consulting we have a below problem statement from one of our client. "We have a high powered server for reporting which in turn powers our internal dashboard for viewing the logistics status.Even with a high end hardware, we had a heavy CPU usage and which in turn triggers spikes in … Continue reading Troubleshooting an OLAP system on InnoDB
Galera 4 came up with the lot of new features , which helps to effectively handle the cluster . In this blog I am going to explain in detail about the Galera 4 functions which were introduced for Global Transaction ID ( GTID ) . GTID functions in Galera 4 wsrep_last_written_gtid()wsrep_last_seen_gtid()wsrep_sync_wait_upto_gtid() Actually i have planned … Continue reading New GTID functions in Galera 4
In my previous blog, I have explained how the MySQL clone plugin works internally. In this blog, I am going to do a comparison of Backup and Recovery speed of MySQL clone plugin with other available mysql open source backup tools. Below tools are used for speed comparison of Backup and Recovery, Clone-Plugin Xtrabackup mysqldump … Continue reading MySQL Clone Plugin Speed Test
Loading any large file into MySQL server using the LOAD DATA INFILE is a time consuming process , because it is single threaded and it is a single transaction too. But with modern hardwares system resource is not a bottle neck. At Mydbops we focus on improving the efficiency of process as we value performance … Continue reading MySQL load data infile made faster .