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Percona is the only company that delivers enterprise-class software, support, consulting and managed services solutions for both MySQL® and MongoDB...

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Database Administrator / Software Engineer

Over 20 years of experience as an Application Architect/Developer, a Database Administrator, and a PM focusing on performance.

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Troubleshooting Solution

my percona xtraDB cluster suddently dead and how to fix it


my PXC is down and this is the error message I got from error log:

any idea on why it even can't …
Troubleshooting Solution

mysql table open definition cache alert


Percona monitoring management is alerting on too many table open cache. 

 alert name =


Three Things to Consider When Thinking About Containers

Containers like Docker and Rocket are getting more popular every day. In my conversations with customers, they consistently ask what containers are and how they can use them in their environment. If you’re as curious as most people, read on. . .

Myth Busting: MongoDB Scalability (it scales!)

Recently I was talking with Tim Sharp, one of my colleagues from our Technical Account Manager team about MongoDB’s scalability. While doing some quick training with some of the Percona team, Tim brought something to my attention...

MySQL and MongoDB Alerting with Percona Monitoring and Management and Grafana

This post contains step-by-step instructions for setting up alerting in Percona Monitoring and Management (PMM) using Grafana.

Database Solutions Engineer FAQs

In this series, we will discuss common questions received as a database Solutions Engineer at Percona. In this role, we speak with a wide array of MySQL and MongoDB users responsible for both extremely large and complex environments to smaller single-server environments.

MongoDB Through a MySQL Lens

This post looks at MongoDB and MySQL, and covers high-level MongoDB strengths, weaknesses, features, and uses from the perspective of an SQL user.

Join Percona’s MySQL Practice Manager Kenny Gryp and QA …

Join Percona’s MySQL Practice Manager Kenny Gryp and QA Engineer, Ramesh Sivaraman as they present …
Research Solution

tail log backup of MySQL


I am checking the way to do the tail log backup for any MySQL, like MariaDB and Percona xtraDB …
Troubleshooting Solution

mariadb rebooted and no warnings reported


Mariadb suddenly rebooted and no errors or warnings reported in the log. I have percona tools

Research Solution

DB native to the cloud


from time to time I hear people said as MySQL is more native to the cloud, so they choose MySQL …
Troubleshooting Solution

Optimize query/table for speed MySQL?

Need to make our MySQL queries faster on a large table (1544980 total records)

Troubleshooting Solution

change of mysql server data directory.


Now we have add one more volume for Peronca XtaDB cluster data as we know the data we are going …
Troubleshooting Solution

Scaling MySQL for 50,000,000,000 requests

We have to serve 50,000,000,000 requests per day, our app can handle that, but we're not sure if our…
Research Solution

after ran the mysqltuner.pl for percona xtaDB cluster 8.0.19 , I need to understand it


I just built up a percona xtraDB cluster 8.0.19 and found out the existing global variable for …
Troubleshooting Solution

How To Generate Report From Percona Monitoring Management (PMM)


How will you generate a performance baseline report from the percona monitoring management server?

Troubleshooting Solution

MySQL Solution for Hot backup for 60GB database

MySQL Hot backup for 60GB database.

First I've read that mysql dump is can be slower than another…
Troubleshooting Solution

pdf data extract

how to get the data from pdf form which is getting information from specific site encripted ?

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