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Percona Data Performance Blog

Latest articles from our experts:
Better high availability: MySQL and Percona XtraDB...

High Availability Have you ever wondered if your application should be able to work in read-only mode? How important is that question? MySQL seems to be the most popular database solution for web-based products. Most …

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Performance Schema: Measure Multi-Threaded Slave A...

Performance Schema In many types of database workloads, using a multi-threaded slave from 5.6+ helps improve replication performance. I’ve had a number of users enable this feature, but have not seen anyone ask how each …

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Sneak peek at the Percona Live Data Performance Co...

On behalf of the Percona Live Conference Committee, I am excited to announce the sneak peek schedule for the Percona Live Data Performance Conference and Expo 2016! Percona Live Data Performance Conference and Expo Live 2016 will …

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used_key_parts: EXPLAIN FORMAT=JSON provides insig...

In the previous post for this ongoing “EXPLAIN FORMAT=JSON is Cool!” series, we discussed covered indexes and how the  used_columns  array can help to choose them wisely. There is one more type of multiple-column indexes: composite indexes. Composite indexes …

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Percona XtraBackup 2.3.3 is now available

Percona is glad to announce the release of Percona XtraBackup 2.3.3 on December 17th, 2015. Downloads are available from our download site or Percona Software Repositories. Percona XtraBackup enables MySQL backups without blocking user queries, …

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Using dbsake to recover table structure from .frm ...

We work on data recoveries quite often. In many cases, we recover table structures from the .frm files because there was no backup available. There is already a great blog post by my colleague Miguel Ángel …

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Act Quickly for Percona Live Super Saver rate – ...

Our Super Saver discount rate for Percona Live 2016 is only available ‘til December 31st! This rate gets you all the excellent and amazing opportunities that Percona Live offers, at a discount. The Percona Live …

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MongoDB 3.2 WiredTiger in iiBench

MongoDB 3.2 was recently released with WiredTiger as the default storage engine. In just over five years, MongoDB has evolved into a popular database. MongoDB 3.0 supported “pluggable storage engines.” The B-Tree-based WiredTiger should outperform IO-optimized …

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used_columns: EXPLAIN FORMAT=JSON tells when you s...

In the “MySQL Query tuning 101” video, Alexander Rubin provides an excellent example of when to use a covered index. On slide 25, he takes the query select name from City where CountryCode = ’USA’ and District = ’Alaska’ and population > 10000 and adds the index cov1(CountryCode, District, population, name) on table City. With …

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Percona Server 5.7.10-1 first RC available

Percona is glad to announce the first release candidate of Percona Server 5.7.10-1 on December 14, 2015. Download the latest version from the Percona web site or from the Percona Software Repositories. This release contains all the bug …

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InnoDB Posts
InnoDB and TokuDB on AWS

In a recent post, Vadim compared the performance of Amazon Aurora and Percona Server on AWS. This time, I am comparing write throughput for InnoDB and TokuDB, using the same workload (sysbench oltp/update/update_non_index) and a similar set-up (r3.xlarge instance, …

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Using dbsake to recover table structure from .frm ...

We work on data recoveries quite often. In many cases, we recover table structures from the .frm files because there was no backup available. There is already a great blog post by my colleague Miguel Ángel …

Read More
 


Insight for DBAs Posts
Better high availability: MySQL and Percona XtraDB...

High Availability Have you ever wondered if your application should be able to work in read-only mode? How important is that question? MySQL seems to be the most popular database solution for web-based products. Most …

Read More
 
Using dbsake to recover table structure from .frm ...

We work on data recoveries quite often. In many cases, we recover table structures from the .frm files because there was no backup available. There is already a great blog post by my colleague Miguel Ángel …

Read More
 


Percona’s widely read Percona Data Performance blog highlights our expertise in enterprise-class software, support, consulting and managed services solutions for both MySQL® and MongoDB® across traditional and cloud-based platforms. The decades of experience represented by our consultants is found daily in numerous and relevant blog posts.

Besides specific database help, the blog also provides notices on upcoming events and webinars.

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