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Troubleshooting configuration issues: Q & A

 | June 22, 2016 |  Posted In: MySQL

Troubleshooting configuration issues

In this blog, I will provide answers to the Q & A for the Troubleshooting configuration issues webinar. First, I want to thank you for attending the June, 9 webinar. The recording and slides for the webinar are available here. Below is the list of your questions that I wasn’t able to answer during the webinar, […]

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Docker automatic MySQL slave propagation

 | June 21, 2016 |  Posted In: Docker, MySQL, Percona XtraDB Cluster

Docker automatic MySQL slave propagation

In this post, we’ll discuss Docker automatic MySQL slave propagation for help with scaling. In my previous posts on the Docker environment, I covered Percona XtraDB Cluster. Percona XtraDB Cluster can automatically scale by conveniently adding new nodes using the highly automated State Snapshot Transfer. State Snapshot Transfer allows a new node to copy data […]

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Webinar Thursday June 23: Choosing a MySQL High Availability Solution Today

 | June 20, 2016 |  Posted In: High-availability, MySQL

MySQL High Availability

Please join Percona, Technical Account Manager, Michael Patrick on Thursday, June 23, 2016 at 10 AM PDT (UTC-7) as he presents “Choosing a MySQL High Availability Solution Today.” High availability (HA) is one of the solutions to improve performance, avoid data outages, and recover quickly from disasters. An HA environment helps guarantee that your database doesn’t […]

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MongoDB and non-existent collections

 | June 14, 2016 |  Posted In: MongoDB

MongoDB and non-existent collections

In this blog, I will discuss how I found some of my basic SQL assumptions that don’t hold true when dealing with MongoDB and non-existent collections. Coming from a MySQL background, I have some assumptions about databases that don’t apply to MongoDB (or other kinds of databases that are neither SQL-based nor relationally-inspired). An example […]

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Choosing MySQL High Availability Solutions

 | June 7, 2016 |  Posted In: High-availability

MySQL High Availability Solutions

In this blog post we’ll look at various MySQL high availability solutions, and examine their pluses and minuses. High availability environments provide substantial benefit for databases that must remain available. A high availability database environment co-locates a database across multiple machines, any one of which can assume the functions of the database. In this way, […]

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Troubleshooting locking issues webinar: Q & A

 | May 31, 2016 |  Posted In: MySQL

Troubleshooting configuration issues

In this blog, I will provide answers to the Q & A for the Troubleshooting locking issues webinar. First, I want to thank you for attending the May, 12 webinar. The recording and slides for the webinar are available here. Below is the list of your questions that I wasn’t able to answer during the webinar, […]

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What is a big innodb_log_file_size?

 | May 31, 2016 |  Posted In: InnoDB, MySQL

big innodb_log_file_size

In this post, we’ll discuss what constitutes a big innodb_log_file_size, and how it can affect performance. In the comments for our post on Percona Server 5.7 performance improvements, someone asked why we use innodb_log_file_size=10G with an indication that it might be too big? In my previous post (https://www.percona.com/blog/2016/05/17/mysql-5-7-read-write-benchmarks/), the example used innodb_log_file_size=15G. Is that too big? Let’s […]

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Looking inside the MySQL 5.7 document store

 | May 24, 2016 |  Posted In: MySQL

MySQL-5.7-Document-Store

In this blog, we’ll look at the MySQL 5.7 document store feature, and how it is implemented. Document Store MySQL 5.7.12 is a major new release, as it contains quite a number of new features: Document store and “MongoDB” like NoSQL interface to JSON storage Protocol X / X Plugin, which can be used for asynchronous […]

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pt-online-schema-change (if misused) can’t save the day

 | May 24, 2016 |  Posted In: Insight for DBAs, MySQL, Percona Toolkit, Replication

MySQL-replication

In this blog post we’ll discuss pt-online-schema-change, and how to correctly use it. Always use pt-osc? Altering large tables can be still a problematic DBA task, even now after we’ve improved Online DDL features in MySQL 5.6 and 5.7. Some ALTER types are still not online, or sometimes just too expensive to execute on busy production […]

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