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- 1. Running memcached clusters on Amazon EC2 In The Brain of Daniel Sikar Skills Matter – London, UK 01.12.2010
- 3. Daniel Sikar Consultant Developer Trainer Internet & scientific data acquisition applications Runs Amazon Web Services, Oracle Coherence and Intro to Hadoop courses at Skills Matter [email_address]
- 5. LCD memcached? High performance memory object caching system Clusters? Group of computers working together AWS? Infrastructure as a Service
- 6. Caching
- 8. CPU cache
- 10. Caching... Used to decrease latency.
- 11. Clusters
- 13. Reliability
- 14. Scalability
- 15. Clusters... If a unit falls off, the cluster continues behaving the same way. Units can be added and subtracted as needed.
- 16. Clusters... The cluster functions as a whole.
- 17. Infrastructure as a Service
- 19. On demand
- 20. Pay as you go
- 21. EC2
- 22. Amazon Machine Image (AMI) > Instance > EC2 Key Concepts I
- 23. One AMI can launch one or more instances EC2 Key Concepts II
- 25. $ wget http://(..)ec2-api-tools.zip # unpack to /usr # config env vars $ env | grep EC2 (...) EC2 tools
- 26. EC2 tools $ ls /usr/bin/ec2* $ ls /usr/lib/ec2* $ ec2ver $ ec2dim -a > amis.txt $ cat amis.txt | grep <...>
- 27. $ ec2auth -h $ ec2addgrp -h $ ec2dgrp -h EC2 – Security Groups (firewall)
- 28. $ ec2addgrp dbgroup -d "db security group" $ ec2addgrp mcgroup -d "mc security group" $ ec2addgrp wbgroup -d "wb security group" EC2 – Security Groups (firewall)
- 29. EC2 – Security Groups (firewall)
- 30. $ ec2auth dbgroup -o wbgroup -u <account id> $ ec2auth wbgroup -o dbgroup -u <account id> $ ec2auth wbgroup -o mcgroup -u <account id> $ ec2auth mcgroup -o wbgroup -u <account id> EC2 – Security Groups (firewall)
- 31. EC2 – Security Groups (firewall)
- 32. $ ec2auth dbgroup -p 3306 -s 0.0.0.0/0 $ ec2auth wbgroup -p 80 -s 0.0.0.0/0 $ ec2auth wbgroup -p 22 -s 0.0.0.0/0 $ ec2auth dbgroup -p 22 -s 0.0.0.0/0 $ ec2auth mcgroup -p 22 -s 0.0.0.0/0 $ ec2dgrp dbgroup mcgroup wbgroup EC2 – Security Groups (firewall)
- 33. AMI Instance Running EC2 Instances
- 34. Key Pairs
- 35. Generating a key pair $ ec2addkey aws_key > ~/.ssh/aws_key.pem $ chmod 600 ~/.ssh/aws_key.pem
- 36. Running EC2 instances $ ec2run ami-f4340180 -g dbgroup -t t1.micro -z eu-west-1a -k aws_key # plus one web and one memcached server $ ssh -i ~/.ssh/aws_key.pem <user>@<dns>
- 37. Configuring a database server $ sudo apt-get install mysql server $ sudo vim /etc/mysql/my.cnf #bind-address = 127.0.0.1 bind-address = 0.0.0.0 # notice caching configuration option $ sudo /etc/init.d/mysql restart $ mysql -u root -p mysql> create user 'dbuser'@'%' identified by <pwd> mysql> grant all privileges on *.* to 'dbuser'@'%' # add some data
- 39. Configuring a memcached server $ ssh -i ~/.ssh/aws_key.pem <user>@<dns> $ sudo apt-get update $ sudo apt-get install memcached $ memcached -h | head $ ps aux | grep memcached $ sudo vim /etc/memcached.conf # mods $ sudo /etc/init.d/memcached restart $ ps aux | grep memcached
- 41. PHP
- 42. Java
- 43. Python
- 44. Ruby
- 45. Perl
- 47. PostgreSQL
- 48. Erlang
- 49. Lua
- 50. Lisp
- 51. Cold Fusion
- 52. OCaml
- 53. (...)
- 54. Running a memcache(d) php client $ sudo apt-get install php5-memcached $ sudo apt-get install libmemcached-dev $ sudo apt-get install php5-dev php-pear $ sudo apt-get install php5-mysql $ sudo pecl install memcache $ sudo vim /etc/php5/apache2/php.ini extension=memcache.so $ sudo /etc/init.d/apache2 restart $ wget http://localhost/phpinfo.php $ cat phpinfo.php | grep memcache # copy files
- 55. What about the memcache cluster?
- 56. AWS workflow
- 57. Creating a memcached AMI $ ec2din (...) <volume id> (...) $ ec2addsnap <volume id> (...) <snapshot id> (...) $ ec2dim ami-f4340180 $ ec2reg -s <snapshot id> --kernel <kernel id> -n "name" -d "desc" $ ec2dim <ami id> $ ec2run <ami id> -g mcgroup -t t1.micro -z eu-west-1a -k aws_key -n 2 # add to cluster & test
- 58. Tidying up $ ec2kill <instance id>
- 60. Conclusion Setting up and running memcached clusters is easy on IAAS environments such as Amazon EC2
- 61. Questions?
- 62. Coming up next: Intro to Hadoop 20.12.2010 Amazon Web Services 24.01.2011 Skills Matter – London, UK
- 63. Thank you for attending! Running memcached clusters on Amazon EC2 In The Brain of Daniel Sikar Skills Matter – London, UK 01.12.2010