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September 10, 2021
Finding Undetected Jumbo Chunks in MongoDB
I recently came across an interesting case of performance issues during balancing in a MongoDB cluster. Digging through the logs, [...]
September 8, 2021
Storing and Using JSON Within PostgreSQL Part Two
We explored the basic functionality of JSON within PostgreSQL in Part One of this series. Now we will look a [...]
September 3, 2021
Storing and Using JSON Within PostgreSQL Part One
Continuing our series on storing JSON directly within your database, we are now looking at the JSON functionality built into [...]
September 2, 2021
Introducing xbcloud: Exponential Backoff Feature in Percona XtraBackup
Storing your data locally can impose security and availability risks. Major cloud providers have object storage services available to allow [...]
August 31, 2021
My Favorite Percona Monitoring and Management Additional Dashboards
Percona Monitoring and Management (PMM) has dashboards that cover a lot of ground, yet PMM Superpowers come from the fact [...]
August 24, 2021
Resharding in MongoDB 5.0
MongoDB 5.0 has been released with a bunch of new features. An important one is the capability to completely redefine [...]
August 24, 2021
PostgreSQL Custom Dashboards Ported to Percona Monitoring and Management 2
At the recent Percona Live, Agustín Gallego and I did a presentation “Optimizing and Troubleshooting PostgreSQL with PMM“. While preparing [...]
August 23, 2021
myloader Stops Causing Data Fragmentation
During the development of the myloader –innodb-optimize-keys option, which was released in version 0.10.7, we found several issues and opportunities [...]
August 23, 2021
PostgreSQL Database Security: OS – Authentication
Security is everybody’s concern when talking about data and information, and therefore it becomes the main foundation of every database. [...]
August 23, 2021
August Is Hot, but Not as Hot as Our Next Community Engineering Meeting!
The engineering marvel that is Percona Monitoring and Management (PMM), has to be, for me, one of the best examples [...]
August 20, 2021
Understanding EBS Latency: Storage Type Performance in AWS
EBS storage type choices in AWS can be impacted by a lot of factors. As a consultant, I get a [...]
August 20, 2021
Storing JSON in Your Databases: Tips and Tricks For MySQL Part Two
JSON Structure, The Next Generation (Performance, Scale, and Fun) Now you know the basic JSON functionality available to you, as [...]
August 19, 2021
Storing JSON in Your Databases: Tips and Tricks For MySQL Part One
Database architecture and design are becoming an increasingly lost art. With new technologies and the push towards faster development cycles, [...]
August 11, 2021
Pros and Cons: When You Should and Should Not Use MongoDB
Quite often we see that the main operational storage is used in conjunction with some additional services, for example, for [...]
August 10, 2021
PostgreSQL PL/Java – A How-To, Part 2: How to Manipulate and Return Tuples
We discussed how to install and create a simple class in the first part of this series where we ran [...]
August 10, 2021
Impact of Network and Cursor on Query Performance of PostgreSQL
Many times, we see PostgreSQL users getting confused about the query/statement duration reported in PostgreSQL logs. Other PostgreSQL tools like [...]
July 30, 2021
Improve PostgreSQL Query Performance Insights with pg_stat_monitor
Understanding query performance patterns is essentially the foundation for query performance tuning. It, in many ways, dictates how a database [...]
July 30, 2021
Percona Monthly Bug Report: July 2021
Here at Percona, we operate on the premise that full transparency makes a product better. We strive to build the [...]
July 29, 2021
PostgreSQL PL/Java – A How-To, Part 1
We’ve recently received some questions regarding PL/Java and I found it hard to get clear instructions searching on the internet. [...]
July 28, 2021
MongoDB: Modifying Documents Using Aggregation Pipelines and Update Expressions
Updating documents on MongoDB prior to version 4.2 was quite limited. It was not possible to set values to a [...]