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Showing entries 1 to 10 of 13 3 Older Entries

Displaying posts with tag: MHA (reset)

Measuring failover time for ScaleArc load balancer
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ScaleArc hired Percona to benchmark failover times for the ScaleArc database traffic management software in different scenarios. We tested failover times for various clustered setups, where ScaleArc itself was the load balancer for the cluster. These tests complement other performance tests on the ScaleArc software – sysbench testing for latency and testing for WordPress …

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MHA 0.56 is now available
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I released MHA version 0.56 today. Downloads are available here. MHA 0.56 includes below features.

  • Supporting MySQL 5.6 GTID. If GTID and auto position is enabled, MHA automatically does failover with GTID SQL syntax, not using traditional relay log based failover. You don't need any explicit configuration within MHA to use GTID based failover.
  • Supporting MySQL 5.6 Multi-Threaded slave
  • Supporting MySQL 5.6 binlog checksum
  • MHA …


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High-availability options for MySQL, October 2013 update
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The technologies allowing to build highly-available (HA) MySQL solutions are in constant evolution and they cover very different needs and use cases. In order to help people choose the best HA solution for their needs, we decided, Jay Janssen and I, to publish, on a regular basis (hopefully, this is the first), an update on the most common technologies and their state, with a focus on what type of workloads suite them best. We restricted ourselves to the open source solutions that provide automatic failover. Of course, don’t simply look at the …

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Choosing a MySQL HA Solution – MySQL Webinar: June 5
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Selecting the most appropriate solution for a MySQL HA infrastructure is as much a business and philosophical decision as it is a technical one, but often the choice is made without adequately considering all three perspectives.  When too much attention is paid to one of these aspects at the cost of the others, the resulting system may be over-engineered, poorly-performing, and/or various other flavors of suboptimal.

On Wednesday, June 5, at 10 a.m. PDT (1700 UTC), I will be presenting a webinar entitled, …

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MHA & MariaDB Cassandra Interoperability talks
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Together with Sergei Petrunia, we talked about MariaDB Cassandra Interoperability. Sergei has done wonderful work here and I plan to showcase more Cassandra integration going forward. It’s worth noting that Elena came up with the benchmarks for this talk as well.

MariaDB Cassandra Interoperability from

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MHA 0.54 & 0.55 – continually active development
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I think it’s worth noting that since January 2012 there was no changes to MHA (0.53). Yoshinori Matsunobu made two releases in December (release notes), one in time for my Percona Live London 2012 talk. Thanks Yoshi! Totally download MHA 0.55 which is still be actively developed & used in production at multiple locations.

Related posts:

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New MySQL & MariaDB Instructional Videos from SkySQL
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Are you looking to expand your knowledge about MySQL and MariaDB database solutions?

Well, you’re in luck! SkySQL is introducing an exclusive collection of educational videos featuring some of the industry’s leading experts on the MySQL database and related technologies. View informative, technical talks on a variety of topics, from the experts at SkySQL, MariaDB, Calpont InfiniDB, Continuent, ScaleDB, Severalnines, Sphinx, Webyog, and others.

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The best MySQL multi-master solution gets even better
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The best (and truly the only) MySQL multi-master, multi-site solution on the market gets even better! Continuent is happy to announce immediate availability of Continuent Tungsten 1.5.New Continuent Tungsten 1.5 allows you to build multi-site, disaster recovery (DR) and multi-master solutions with ease:

Multi-Master Operations - Tungsten can support your multi-master operations today by linking

New Continuent Tungsten 1.5 now available
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The best MySQL high availability solution on the market gets even better! We are happy to announce immediate availability of Continuent Tungsten 1.5.New Continuent Tungsten 1.5 offers significant improvements that help you to deploy cost effective HA clusters fast include:

Easy Installation - One-step command to deploy an entire Tungsten cluster in minutes, either in your data center or in

MHA for MySQL 0.53 released
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 MHA for MySQL (Master High Availability Manager and tools for MySQL) version 0.53 has been released. Downloads are available here.

 Here are release notes.

New features:
* Supporting RESET SLAVE ALL from MySQL 5.5.16
* Supporting "skip_reset_slave" parameter to avoid running CHANGE MASTER TO on the promoted slave
* Doing master's health checks optionally via MySQL CONNECT, in addition to SELECT
* Supporting …







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Showing entries 1 to 10 of 13 3 Older Entries

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