New GTID functions in Galera 4

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

MySQL Clone Plugin Speed Test

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

MySQL Binlog server with Maxscale

This is the our next blog in Maxscale series, Below is a list of our previous blogs, which provides deep insight for Maxscale and its use cases for different architectures. Scale with Maxscale part – 1 (Intro & Galera Cluster) Scale with Maxscale part – 2 (Administration, Installation & operation) Scale with Maxscale part – … Continue reading MySQL Binlog server with Maxscale

Setting up a High Availability for PMM

We have been working with PMM for quite a long time, we do most of the performance analysis with PMM for most of our clients. It also provides the flexibility that we have built our own custom dashboard. PMM has many advantages Easy to deploy (docker based) Flexible Customizable Query Analytics One-stop solution for MySQL,Mongo,ProxySQL … Continue reading Setting up a High Availability for PMM

Open Source India(OSI) 2019 & Mydbops

Since three years of our entity's progression, Mydbops IT Solutions, Bangalore, have been an active participant of Open Source India (OSI) conference, conducted by Open Source For You Magazine which is part of EFY Group, New Delhi. This annual event is an attempt by the team at Open Source For You magazine in partnership with … Continue reading Open Source India(OSI) 2019 & Mydbops

Save Space on MySQL data with Column Compression

                                   Recently, One of our client reached our Remote DBA team with a requirement to reduce the size of the table as it is having many text columns with huge number of records. At preliminary check , I have … Continue reading Save Space on MySQL data with Column Compression

Get the most IOPS out of your physical volumes using LVM.

Hope everyone aware about known about LVM(Logical Volume Manager) an extremely useful tool for handling the storage at various levels. LVM basically functions by layering abstractions on top of physical storage devices as mentioned below in the illustration. Below is a simple diagrammatic expression of LVM sda1 sdb1 (PV:s on partitions or whole disks) \ … Continue reading Get the most IOPS out of your physical volumes using LVM.

4th Mydbops Database Meetup

Partnering to participate knowledge sharing for the community of Database Administrators. In continuation to the community contribution with knowledge gained out of experience and networking, Mydbops IT Solutions, conducted its 4th Database Meetup on Saturday, 3rd of August, 2019. Here was the first time, that we had changed our venue. With the like-minded sponsor in … Continue reading 4th Mydbops Database Meetup

Upcoming Mydbops Database Meetup -4 (03-08-2019)

Mydbops continues with its commitment to the open source community comprising of Database Administrators. After the successful conduct of three meet-ups in the past, we are now stepping ahead on to the 4th edition of Mydbops Database meet-up. First time, we are going to the new venue, thanks to the kind people of Zenefits Technologies … Continue reading Upcoming Mydbops Database Meetup -4 (03-08-2019)

TaskMax limit affects MySQL connections

Recently we had been bitten by a Systemd limitation at the “Tasks” created per-unit ie., process. This includes both the kernel threads and user-space threads, with each thread counting individually. Am writing this blog as a reference for someone who might come across this limitation. We have been actively working on migration DB instances, from … Continue reading TaskMax limit affects MySQL connections