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Yoshinori Matsunobu's blog

Monday, January 26, 2015. Performance issues and fixes - MySQL 5.6 Semi-Synchrnous Replication. Long time ago I wrote a blog. Post that we started using Semi-Synchronous replication in production at Facebook. We are running our own MySQL facebook-5.6. Branch, which added many replication (including Semisync) patches. Some of them were also merged with WebScaleSQL. And http:/ bugs.mysql.com/bug.php? 1 Set master info repository=TABLE. MySQL 5.6 and 5.7 have a performance bug. These numbers were the number...

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Monday, January 26, 2015. Performance issues and fixes - MySQL 5.6 Semi-Synchrnous Replication. Long time ago I wrote a blog. Post that we started using Semi-Synchronous replication in production at Facebook. We are running our own MySQL facebook-5.6. Branch, which added many replication (including Semisync) patches. Some of them were also merged with WebScaleSQL. And http:/ bugs.mysql.com/bug.php? 1 Set master info repository=TABLE. MySQL 5.6 and 5.7 have a performance bug. These numbers were the number...

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Yoshinori Matsunobu's blog | yoshinorimatsunobu.blogspot.com Reviews

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Monday, January 26, 2015. Performance issues and fixes - MySQL 5.6 Semi-Synchrnous Replication. Long time ago I wrote a blog. Post that we started using Semi-Synchronous replication in production at Facebook. We are running our own MySQL facebook-5.6. Branch, which added many replication (including Semisync) patches. Some of them were also merged with WebScaleSQL. And http:/ bugs.mysql.com/bug.php? 1 Set master info repository=TABLE. MySQL 5.6 and 5.7 have a performance bug. These numbers were the number...

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yoshinorimatsunobu.blogspot.com

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Yoshinori Matsunobu's blog: March 2012

http://yoshinorimatsunobu.blogspot.com/2012_03_01_archive.html

Titles in this page. Relocating to US and joining Facebook. Monday, March 26, 2012. Relocating to US and joining Facebook. I recently joined Facebook. I relocated to Redwood City (less than 10km from Facebook Menlo Park office) and I commute by bicycle (or caltrain shuttle on rainy days). I'm currently taking a bootcamp training with Lachlan and other new employees, and will soon join database team. Posted by Yoshinori Matsunobu. Subscribe to: Posts (Atom). View my complete profile.

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Yoshinori Matsunobu's blog: January 2012

http://yoshinorimatsunobu.blogspot.com/2012_01_01_archive.html

Titles in this page. MHA for MySQL 0.53 released. Sunday, January 8, 2012. MHA for MySQL 0.53 released. 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. 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. Forcing more strict ssh c...

3

Yoshinori Matsunobu's blog: Performance issues and fixes -- MySQL 5.6 Semi-Synchrnous Replication

http://yoshinorimatsunobu.blogspot.com/2015/01/performance-issues-and-fixes-mysql-56.html

Monday, January 26, 2015. Performance issues and fixes - MySQL 5.6 Semi-Synchrnous Replication. Long time ago I wrote a blog. Post that we started using Semi-Synchronous replication in production at Facebook. We are running our own MySQL facebook-5.6. Branch, which added many replication (including Semisync) patches. Some of them were also merged with WebScaleSQL. And http:/ bugs.mysql.com/bug.php? 1 Set master info repository=TABLE. MySQL 5.6 and 5.7 have a performance bug. These numbers were the number...

4

Yoshinori Matsunobu's blog: Semi-Synchronous Replication at Facebook

http://yoshinorimatsunobu.blogspot.com/2014/04/semi-synchronous-replication-at-facebook.html

Tuesday, April 1, 2014. Semi-Synchronous Replication at Facebook. After intensive testing and hack, we started using Semi-Synchronous MySQL Replication at Facebook production environments. Semi-Synchronous Replication itself was ready since MySQL 5.5 (GA was released 3.5 years ago! Objective / Why Semisync? The objective of the Semi-Synchronous Replication is simple - Master Failover without data loss, without full durability. First, let me describe why the objective is difficult without semisync. If you...

5

Yoshinori Matsunobu's blog: Using MySQL as a NoSQL - A story for exceeding 750,000 qps on a commodity server

http://yoshinorimatsunobu.blogspot.com/2010/10/using-mysql-as-nosql-story-for.html

Tuesday, October 19, 2010. Using MySQL as a NoSQL - A story for exceeding 750,000 qps on a commodity server. UPDATE: Oracle officially released memcached daemon plugin. That talks with InnoDB. I'm glad to see that NoSQL MySQL has become an official solution. It's still preview release but will be very promising. Let's try it to make it better! Like many other high scale web sites, we at DeNA. Because we could get much better performance from MySQL than from other NoSQL products. In our benchmarks, we...

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mi-patria-anhelada.blogspot.com

Paraguay: Mi Patria Anhelada: Paraguay (106), cuarto país con mejor clima de negocios en Sudamérica El ránking en la región lo lideran Perú (36), Colombia (39) y Chile (43). Supera a Argentina (115), Uruguay (124), Brasil (127), Ecuador (130), Bolivia (149

http://mi-patria-anhelada.blogspot.com/2011/09/paraguay-un-milagro-americano-paraguay_15.html

Paraguay: Mi Patria Anhelada. Jueves, 15 de septiembre de 2011. Paraguay (106), cuarto país con mejor clima de negocios en Sudamérica El ránking en la región lo lideran Perú (36), Colombia (39) y Chile (43). Supera a Argentina (115), Uruguay (124), Brasil (127), Ecuador (130), Bolivia (149) y Venezuela (172). INFORME DE BANCO MUNDIAL Y CORPORACIÓN FINANCIERA INTERNACIONAL. Paraguay: un milagro americano! Paraguay (106), cuarto país con mejor clima de neg. Ruben Jose Diaz Echauri. Ruben Jose Diaz Echauri.

mi-patria-anhelada.blogspot.com

Paraguay: Mi Patria Anhelada: Las redes sociales dominan la preferencia de los paraguayos. El estudio, denominado Los consumernautas. Redes sociales en Paraguay, revela un alto impacto de esta herramienta entre usuarios locales. Nueve de cada diez tienen i

http://mi-patria-anhelada.blogspot.com/2011/09/paraguay-un-milagro-americano-las-redes.html

Paraguay: Mi Patria Anhelada. Sábado, 17 de septiembre de 2011. Las redes sociales dominan la preferencia de los paraguayos. El estudio, denominado Los consumernautas. Redes sociales en Paraguay, revela un alto impacto de esta herramienta entre usuarios locales. Nueve de cada diez tienen instalados Facebook y MSN en sus equipos. Paraguay: un milagro americano! Las redes sociales dominan la preferencia de los p. Jueves 15 de septiembre de 2011. Internet es identificada con las redes, luego con los buscado...

mi-patria-anhelada.blogspot.com

Paraguay: Mi Patria Anhelada: Paraguay: un milagro americano!: La Cementera Yguazu, se beneficiaría de la línea d...

http://mi-patria-anhelada.blogspot.com/2011/09/paraguay-un-milagro-americano-la.html

Paraguay: Mi Patria Anhelada. Jueves, 15 de septiembre de 2011. Paraguay: un milagro americano! La Cementera Yguazu, se beneficiaría de la línea d. Paraguay: un milagro americano! La Cementera Yguazu, se beneficiaría de la línea d. LA CEMENTERA YGUAZÚ, SE BENEFICIARIA DE LA LÍNEA DE 500 KV Capacitarán y darán empleo a 300 personas en industria de Villa Hayes Imagen. Ruben Jose Diaz Echauri. Enviar por correo electrónico. Publicar un comentario en la entrada. Suscribirse a: Enviar comentarios (Atom).

mysqlmaniac.com

subquery « MySQL Maniac Blog

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Yet another MySQL blog ;). What about the subqueries? Posted on March 29, 2012 by przemek. MySQL version 4.1 was quite revolutionary. The main reason for that was support for sub-queries. However since then MySQL users were rather discouraged to use that functionality, basically due to the implementation’s poor performance. And forced to build complicated queries based on joins rather than on subqueries. Of course you can do some effort to optimize your subquery with sometimes very good results. I’...

mysqlmaniac.com

deb « MySQL Maniac Blog

http://mysqlmaniac.com/tag/deb

Yet another MySQL blog ;). How do we control MySQL daemon in Linux, part1. Posted on March 10, 2012 by przemek. As you may expect from open source world thingy, almost every Linux distribution has developed it’s own way to manage our favourite RDBMS service. Yet none is perfect, or even some of them seems to not work in real server scenario. In this post I’m trying to compare and point out most annoying aspects of initialization scripts that I had to face in production. Read more …. In my understanding &...

mi-patria-anhelada.blogspot.com

Paraguay: Mi Patria Anhelada: Modelo de escuela autosuficiente gana reconocimiento internacional. La misma obtuvo el título luego de haber pasado etapas por las que atravesaron 900 postulantes de 83 países.

http://mi-patria-anhelada.blogspot.com/2011/09/paraguay-un-milagro-americano-modelo-de.html

Paraguay: Mi Patria Anhelada. Jueves, 15 de septiembre de 2011. Modelo de escuela autosuficiente gana reconocimiento internacional. La misma obtuvo el título luego de haber pasado etapas por las que atravesaron 900 postulantes de 83 países. Paraguay: un milagro americano! Modelo de escuela autosuficiente gana reconocimien. El modelo de Escuela Financieramente Autosuficiente presentada por la Fundación Paraguaya resultó ganadora del desafío “Impulsando oportunid. Ruben Jose Diaz Echauri. Ver todo mi perfil.

jayant7k.blogspot.com

Whatever....: April 2014

http://jayant7k.blogspot.com/2014_04_01_archive.html

Tuesday, April 01, 2014. Auto failover of mysql master in mysql multi-master multi-slave cluster. This post is an extension to my earlier posts about multi master replication cluster multi master replication in mysql. And mysql multi master replication act II. The problem I had encountered and discussed was with automatic failover. What happens when the master goes down? How can either a slave or another master be promoted to become the master? In its my.cnf file. M1 and M2 are 2 masters running on ports...

jayant7k.blogspot.com

Whatever....: Auto failover of mysql master in mysql multi-master multi-slave cluster

http://jayant7k.blogspot.com/2014/04/auto-failover-of-mysql-master-in-mysql.html

Tuesday, April 01, 2014. Auto failover of mysql master in mysql multi-master multi-slave cluster. This post is an extension to my earlier posts about multi master replication cluster multi master replication in mysql. And mysql multi master replication act II. The problem I had encountered and discussed was with automatic failover. What happens when the master goes down? How can either a slave or another master be promoted to become the master? In its my.cnf file. M1 and M2 are 2 masters running on ports...

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yoshinorimatsunobu.blogspot.com

Yoshinori Matsunobu's blog

Monday, January 26, 2015. Performance issues and fixes - MySQL 5.6 Semi-Synchrnous Replication. Long time ago I wrote a blog. Post that we started using Semi-Synchronous replication in production at Facebook. We are running our own MySQL facebook-5.6. Branch, which added many replication (including Semisync) patches. Some of them were also merged with WebScaleSQL. And http:/ bugs.mysql.com/bug.php? 1 Set master info repository=TABLE. MySQL 5.6 and 5.7 have a performance bug. These numbers were the number...