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MySQL Query Performance: Not Just Indexes

 | January 30, 2018 |  Posted In: Insight for DBAs, MySQL

MySQL Query Performance

In this blog post, I’ll look at whether optimizing indexing is always the key to improving MySQL query performance (spoiler, it isn’t). As we look at MySQL query performance, our first concern is often whether a query is using the right indexes to retrieve the data. This is based on the assumption that finding the data is […]

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Webinar Thursday, January 25, 2018: Troubleshooting MySQL Crashes

and  | January 24, 2018 |  Posted In: Insight for DBAs, Insight for Developers, MySQL, open source databases, Technical Webinars

MySQL Crashes

Please join Percona’s Principal Support Engineer, Sveta Smirnova, as she presents Troubleshooting MySQL Crashes on January 25, 2018, at 10:00 am PST (UTC -8) / 1:00 pm EST (UTC -5). Register Now   This webinar is for every MySQL user! In this talk, I won’t focus on how to analyze core files, read the source […]

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Does the Meltdown Fix Affect Performance for MySQL on Bare Metal?

and  | January 18, 2018 |  Posted In: Insight for DBAs, Insight for Developers, MySQL, Security

Meltdown Fix Affect Performance small

In this blog post, we’ll look at does the Meltdown fix affect performance for MySQL on bare metal servers. Since the news about the Meltdown bug, there were a lot of reports on the performance hit from proposed fixes. We have looked at how the fix affects MySQL (Percona Server for MySQL) under a sysbench workload. […]

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How to Choose the MySQL innodb_log_file_size

 | October 18, 2017 |  Posted In: InnoDB, Insight for DBAs, MySQL

innodb_log_file_size

In this blog post, I’ll provide some guidance on how to choose the MySQL innodb_log_file_size. Like many database management systems, MySQL uses logs to achieve data durability (when using the default InnoDB storage engine). This ensures that when a transaction is committed, data is not lost in the event of crash or power loss. MySQL’s […]

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Faster Node Rejoins with Improved IST performance

and  | July 21, 2017 |  Posted In: MySQL, Percona XtraDB Cluster

IST Performance

In this blog, we’ll look at how improvements to Percona XtraDB Cluster improved IST performance. Introduction Starting in version 5.7.17-29.20 of Percona XtraDB Cluster significantly improved performance. Depending on the workload, the increase in throughput is in the range of 3-10x. (More details here). These optimization fixes also helped improve IST (Incremental State Transfer) performance. This […]

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ClickHouse in a General Analytical Workload (Based on a Star Schema Benchmark)

 | June 22, 2017 |  Posted In: Benchmarks, MySQL, Performance Schema

ClickHouse

In this blog post, we’ll look at how ClickHouse performs in a general analytical workload using the star schema benchmark test. We have mentioned ClickHouse in some recent posts (ClickHouse: New Open Source Columnar Database, Column Store Database Benchmarks: MariaDB ColumnStore vs. Clickhouse vs. Apache Spark), where it showed excellent results. ClickHouse by itself seems […]

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Q & A: MySQL In the Cloud – Migration, Best Practices, High Availability, Scaling

 | June 9, 2017 |  Posted In: Cloud and MySQL, Database Monitoring, High-availability, MySQL

MySQL in the Cloud

In this blog, we will provide answers to the Q & A for the MySQL In the Cloud: Migration, Best Practices, High Availability, Scaling webinar. First, we want to thank everybody for attending the June 7, 2017 webinar. The recording and slides for the webinar are available here. Below is the list of your questions that we […]

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Webinar May 23, 2017: MongoDB Monitoring and Performance for the Savvy DBA

 | May 22, 2017 |  Posted In: Database Monitoring, MongoDB, Percona Monitoring and Management, Percona Server for MongoDB, Technical Webinars

MongoDB Monitoring

Join Percona’s Senior Technical Services Engineer Bimal Kharel on Tuesday, May 23, 2017, as he presents a webinar on MongoDB monitoring called How to Help Your DBA’s Sleep Better at Night at 10:00 am PDT / 1:00 pm EDT (UTC-7). Register Now Are you trying to stay on top of your database before things turn ugly? Between […]

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