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Displaying posts with tag: Wafflegrid (reset)
Percona welcomes Yves Trudeau and Fernando Ipar

I'm happy to extend a warm welcome to two new members of the Percona team.

First is Yves Trudeau, about whom I can say many things:

  • One of the top MySQL Cluster (NDB Cluster) experts in the world.
  • An expert on all things High Availability, including DRBD and Heartbeat.
  • Many years of experience with Huge Data.
  • Half of the Waffle Grid team.
  • A really nice person!

Yves joins us after a tenure of several years as a senior consultant at Sun/MySQL. Together with Matt Yonkovit, he plans to work on WaffleGrid (but as a new project under a new name, to be determined), and integration with XtraDB. Yves lives in Quebec with his family.

Next is Fernando Ipar. Fernando is our first dedicated Shift Support Captain[1]. Fernando specializes in MySQL, GNU/Linux, systems administration, and high availability. Fernando has been involved in computer programming since …

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Wafflecloud with cream

I have been working recently with Matt Yonkovit to get Waffle Grid cloud enabled with Amazon Web Services (AWS).

An initial version of Waffle Grid Cream - Version 0.5 release is now available.

We have elected to create one AMI for now, that is ready to be configured as either a MySQL Server, a memcached server, or as in the following example both. For this first version, we have also not configured MySQL or memcache, but rather provide a virgin Waffle Grid ready server for developers to experiment and benchmark with.

Future releases will include custom AMI’s and the automated ability to register new memcached servers with the Waffle Grid enabled MySQL server.

Instance Creation

We assume you have created an …

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multi-threaded memcached

I discovered while compiling Wafflegrid today that by default, the Ubuntu binaries for memcached are not-multithreaded.

Following the installation of memcached from apt-get and libmemcached I ran memslap for:

$ memslap -s localhost
    Threads connecting to servers 1
    Took 1.633 seconds to load data

$ memstat -s localhost
Listing 1 Server

Server: localhost (11211)
     pid: 23868
     uptime: 54
     time: 1244575816
     version: 1.2.2
     pointer_size: 32
     rusage_user: 0.90000
     rusage_system: 0.120000
     curr_items: 10000
     total_items: 10000
     bytes: 5430000
     curr_connections: 1
     total_connections: 3
     connection_structures: 2
     cmd_get: 0
     cmd_set: 10000
     get_hits: 0
     get_misses: 0 …
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Showing entries 1 to 3