Author: Vadim Tkachenko

Measuring Percona Server for MySQL On-Disk Decryption Overhead

benchmark heavy IO percona server for mysql 8 encryptionPercona Server for MySQL 8.0 comes with enterprise grade total data encryption features. However, there is always the question of how much overhead – or performance penalty – comes with the data decryption. As we saw in my networking performance post, SSL under high concurrency might be problematic. Is this the case for data decryption? […]

MySQL 8 is not always faster than MySQL 5.7

mysql 8 slower than mysql 5.7 sysbenchMySQL 8.0.15 performs worse in sysbench oltp_read_write than MySQL 5.7.25 Initially I was testing group replication performance and was puzzled why MySQL 8.0.15 performs consistently worse than MySQL 5.7.25. It appears that a single server instance is affected by a performance degradation. My testing setup Hardware details: Bare metal server provided by packet.net, instance size: […]

Upcoming Webinar Thurs 1/17: How to Rock with MyRocks

How to Rock with MyRocksPlease join Percona’s Chief Technology Officer, Vadim Tkachenko, as he presents How to Rock with MyRocks on Thursday, January 17th at 10:00 AM PDT (UTC-7) / 1:00 PM EDT (UTC-4). Register Now MyRocks is a new storage engine from Facebook and is available in Percona Server for MySQL. In what cases will you want to […]

Percona Server for MongoDB 4.0 Is an Ideal Solution for Even More Production Use Cases

Percona Server for MongoDBPercona announces the planned release of Percona Server for MongoDB 4.0, the latest version of the company’s free, enhanced, drop-in replacement for MongoDB Community Edition. Percona Server for MongoDB 4.0 includes all the features of MongoDB Community Edition 4.0, along with enterprise-class features from Percona that make it ideal for enterprise production environments. Percona Server for […]

Poll: MongoDB License Change

MongoDB Licensing pollAs you may have heard, MongoDB recently changed the license for MongoDB Community version from AGPL to SSPL. In order to better serve our users and customers, we’d like to ask about your plans. Please select the answer that best describes your current thinking as a MongoDB user: If you would like to expand on […]

ClickHouse: Two Years!

historical trend of ClickHouse popularity

Following my post from a year ago https://www.percona.com/blog/2017/07/06/clickhouse-one-year/, I wanted to review what happened in ClickHouse during this year. There is indeed some interesting news to share. 1. ClickHouse in DB-Engines Ranking. It did not quite get into the top 100, but the gain from position 174 to 106 is still impressive. Its DB-Engines Ranking score […]

The post ClickHouse: Two Years! appeared first on Percona Database Performance Blog.

Scaling IO-Bound Workloads for MySQL in the Cloud – part 2

Rplot07-innodb-iops

This post is a followup to my previous article https://www.percona.com/blog/2018/08/29/scaling-io-bound-workloads-mysql-cloud/ In this instance, I want to show the data in different dimensions, primarily to answer questions around how throughput scales with increasing IOPS. A recap: for the test I use Amazon instances and Amazon gp2 and io1 volumes. In addition to the original post, I […]

The post Scaling IO-Bound Workloads for MySQL in the Cloud – part 2 appeared first on Percona Database Performance Blog.

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