Summary – Mydbops Database meetup 2

Mydbops database meetup was held on 26-01-2019 and 48 members from open source database community has attended this event. We had talks on MySQL and MongoDB databases. Open source database enthusiastic from companies like OLA Cabs, Searce Inc, PayTm, Quikr, Zensar, Grab, SAP labs, Travel Yarri, Meddiff and a few has travelled from other cities … Continue reading Summary – Mydbops Database meetup 2

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How to Switch Replica Master of a non-GTID Slave in Percona Cluster ?

Introduction - Recently i worked on a production issue for one of our client under support .They have a architecture of a three node Galera cluster with one asynchronous slave . Node1 - 172.10.2.11Node2 - 172.10.2.12Node3 - 172.10.2.13Replica - 172.10.2.14 Architecture - The slave(replica) was configured with node3 as replica master. Unfortunately the node 3 was … Continue reading How to Switch Replica Master of a non-GTID Slave in Percona Cluster ?

ProxySQL Series: MySQL InnoDB Cluster balancing ( using config file )

Introduction -                      At Mydbops we are exploring the latest MySQL technologies . Recently i was worked for one of our client the project. The requirement is setting up a three node InnoDB cluster with 3 node ProxySQL cluster . During my ProxySQL configuration, i discovered … Continue reading ProxySQL Series: MySQL InnoDB Cluster balancing ( using config file )

MySQL Partition pruning Explained

Partitioning is a process in which a single larger table is split into several smaller tables (physically) and still considered as a single table.It is generally a good idea for the tables whose size is in a few 100 GB's. While performing select,update,delete operations in a partitioned tables, we can notice a better performance in … Continue reading MySQL Partition pruning Explained

Will IO Size Affect your RDS Performance?​

During our recent consulting with one of our client, We came across an interesting issue on RDS. The baseline is that "Low IO size on your RDS instance can affect your DB performance".  Yes, It’s IO size, Not IOPS. We had our production systems running on RDS MySQL with a single master, 3 replicas. All … Continue reading Will IO Size Affect your RDS Performance?​

MySQL Partition Manager (Yahoo!) in a nutshell

Partitioning is a way of splitting the actual data down into separate .ibd files (data compartments) in the file system based on the defined ranges using the partitioning key. It can help us with maintaining the enormous amount of data in different partitions without much hassle. In this blog post, we are going to see how … Continue reading MySQL Partition Manager (Yahoo!) in a nutshell

GH-OST for MySQL Schema Change.

Schema change is one of the crucial tasks in MySQL with huge tables. Schema change can cause locks. What is gh-ost?                          gh-ost is a triggerless online schema change for MySQL by Github Engineering .It produces light workload on the master during the schema changes . We need online schema change to alter a table … Continue reading GH-OST for MySQL Schema Change.

ProxySQL Series : Percona Cluster/MariaDB Cluster (Galera) Read-write Split

ProxySQL is the most preferred and is widely used for load-balancing MySQL workload, thanks to Rene Cannon & Team for the great tool, and kudos on the recent release of ProxySQL 1.4.10, with a lot of bug fixes. ProxySQL is simple in design, lightweight, highly efficient and feature rich, We have been working with ProxySQL … Continue reading ProxySQL Series : Percona Cluster/MariaDB Cluster (Galera) Read-write Split

InnoDB physical files on MySQL 8.0

Introduction -               MySQL 8.0.10 GPL came out with more changes and advanced features. We have changes on InnoDB physical file layout ( MySQL data directory ) too. This blog will provide the information about the MySQL 8 InnoDB physical files. MySQL system tables are completely InnoDB now ?               Yes, Previously, we don't have too many … Continue reading InnoDB physical files on MySQL 8.0

Presentation : Customer Experience on InnoDB Cluster

  As Mydbops we have consulted  many large scale MySQL deployments. This presentation is about one of our customer who is one of the largest retailer in North America. This is about their data migration to InnoDB Cluster ( MySQL ) from an enterprise database.