WikiEducator:Hosting

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2016-05 Status

The AWS nomenclature has changed so we are now on an "all up front" reserved m3.large instance, but still at AWS Oregon.

2014-09 Status

As part of upgrading the underlying operating system and Mediawiki, WikiEducator has moved from EC2 classic to EC2 VPC on a heavy utilization reserved instance in Oregon.

Software includes:

  • Ubuntu 14.04.2 LTS (Trusty Tahr)
  • MySQL 5.5.41
  • PHP 5.5.9
  • MediaWiki 1.23.7 with many extensions
  • memcached for page caching
  • Exim 4
  • Mailman 2.1.x

2014-04 Status

WikiEducator is hosted on an Amazon Web Services Elastic Compute Cloud (EC2) m3.large heavy utilization reserved instance in Oregon. This provides increased processor speed and a much faster solid-state drive (SSD) at a slightly reduced cost.

2013-02 Status

WikiEducator is hosted on an Amazon Web Services Elastic Compute Cloud (EC2) Large heavy utilization reserved instance in Oregon.

Independent Elastic Block Store volumes are used for the database and media filesystems. The XFS filesystem is used for each of these, permitting easy consistent filesystem snapshots to Amazon Simple Storage System (S3) for geographically dispersed backups.

Software includes:

  • Ubuntu 12.04.2 LTS (Precise)
  • MySQL 5.5.29
  • PHP 5.3.10
  • MediaWiki 1.15.5 with many extensions
  • memcached for page caching
  • APC for PHP opcode caching
  • Exim 4
  • Mailman 2.1.x

2010-02 Status

WikiEducator is hosted on an Amazon Web Services Elastic Compute Cloud (EC2) Large instance in Northern Virginia.

Independent Elastic Block Store volumes are used for the database and media filesystems. The XFS filesystem is used for each of these, permitting easy consistent filesystem snapshots to Amazon Simple Storage System (S3) for geographically dispersed backups.

Software includes:

  • Ubuntu 9.10 (Karmic)
  • MySQL 5.1.37
  • PHP 5.2.10
  • MediaWiki 1.15.3
  • memcached for page caching
  • APC for PHP opcode caching
  • Squid as reverse proxy / web accelerator

2008-05 Status

WikiEducator is hosted on a single AMD Opteron 146 Processor (2GHz) with 2GB of RAM. It has about 150GB of disk in a software RAID configuration (of which about 40GB is currently used).

Software includes:

Bandwidth:

  • English WikiEducator delivers about 40GB/month, although that number is rapidly growing. By 2009-10 we are up to about 115GB/month, and in 2013 about 160GB/month.

Status Updates

  • Bandwidth demands have increased to about 80GB/month for each of the March~May, 2009 months.
  • By October, 2009 English WE hit 115GB/month bandwidth. Disk usage has grown to 124GB.