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Showing entries 1 to 10 of 34992 10 Older Entries
Evaluating MySQL Parallel Replication Part 3: Benchmarks in Production
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Tue, 2015-09-01 11:17jeanfrancoisgagne

Parallel replication is a much-expected feature of MySQL. It is available in MariaDB 10.0 and in MySQL 5.7. In this 3rd post of the series, we present benchmark results from Booking.com production environments.

This is a repost of Jean-François Gagné's blog post on blog.booking.com.

Note: this post has an annex: …

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Orchestrator 1.4.340: GTID, binlog servers, Smart Mode, failovers and lots of goodies
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Orchestrator 1.4.340 is released. Not quite competing with the MySQL latest changelog, and as I haven't blogged about orchestrator featureset in a while, this is a quick listing of orchestrator features available since my last publication:

  • Supports GTID (Oracle & MariaDB)
    • GTID still not being used in automated recovery -- in progress.
    • enable-gtid, …
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Booking.com’s Jean-François Gagné on Percona Live Amsterdam
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Booking.com, one of the world’s leading e-commerce companies, helps travels book nearly 1 million rooms per night. Established in 1996, Booking.com B.V. guarantees the best prices for any type of property, from small, family-run bed and breakfasts to executive apartments and five-star luxury suites.

The travel website is also a dedicated contributor to the MySQL and Perl community. Other open source technologies include CentOS Linux, Nginx, python, puppet, Git and more.

A Diamond sponsor of Percona Live Amsterdam Sept. 21-23, you can meet the people who power Booking.com at booth 205. Enter promo …

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First Release of dbForge Data Generator for MySQL
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Today, Devart is proud to announce the release of a new product – dbForge Data Generator for MySQL v1.0!

Cached linkbench performance for MySQL 5.7.8, 5.6, WebScale and MyRocks
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This extends previous results for Linkbench to compare performance for a cached database with concurrent clients. My conclusions are:

  • InnoDB compression in the Facebook patch for MySQL 5.6 is much faster for insert-heavy workloads than the same feature in upstream 5.6 and 5.7. Too bad those changes might not reach upstream
  • InnoDB …

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High-load clusters and desynchronized nodes on Percona XtraDB Cluster
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There can be a lot of confusion and lack of planning in Percona XtraDB Clusters in regards to nodes becoming desynchronized for various reasons.  This can happen a few ways:

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MySQL replication in action - Part 5 - parallel appliers
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Previous episodes:

MySQL replication monitoring 101MySQL replication in action - Part 1: GTID & CoMySQL replication in action - Part 2 - Fan-in topologyMySQL replication in action - Part 3 - …  [Read more...]
Unexpected Memory Consumption for Bulk Index Creation in InnoDB (MySQL)
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In my last Booking.com Hackathon, I worked on MyISAM vs InnoDB for data loading (LOAD DATA IN FILE) and bulk index creation.  My motivation was the following: knowing that some are still using MyISAM for this particular use-case, I wanted to verify/understand if/why InnoDB is slower than MyISAM.  I do not yet have complete results on this specific subject but I found some interesting things that

First day with InnoDB transparent page compression
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I ran linkbench overnight for a database that started at 100G using MySQL 5.7.8 and InnoDB transparent page compression. After ~24 hours I have 1 mysqld crash with nothing in the error log. I don't know if that is related to bug 77738. I will attach gdb and hope for another crash. For more about transparent page compression read here, …

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Log Buffer #438: A Carnival of the Vanities for DBAs
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This Log Buffer Edition covers Oracle, MySQL, and SQL Server blog posts from the last week.

Oracle:

Integrating Telstra Public SMS API into Bluemix

Adaptive Query Optimization in Oracle 12c : Ongoing Updates

First flight into the Oracle Mobile Cloud

  [Read more...]
Showing entries 1 to 10 of 34992 10 Older Entries

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