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WordPress with W3 Total Cache on Nginx with APC (Virtualmin)

…rtual domain will load its own php.ini file, so you can add the APC directives to that file (/home/domainname/etc/php5/php.ini) Add the following to php.ini (adjust to your requirements) [APC] extension = apc.enabled = 1 apc.shm_segments = 1 apc.shm_size = 12M apc.optimization = 0 apc.num_files_hint = 256 apc.user_entries_hint = 1024 apc.ttl = 0 apc.user_ttl = […]

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APC INFO Monitor

APC Cache Considerations for Virtual Hosting Environments

…APC per virtual server. However with 200+ virtual hosts all running PHP script packages, as is the case with a commodity shared hosting server, this will use a lot of memory, and you will need somewhere in the neighborhood of 10-30GB apc.shm_size if you attempt to configure a single APC cache for the entire server. […]

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Tuning Apache and MySQL for Best Performance in a Shared Virtual Hosting Environment

…nfig variables to take up no more than 60% of total RAM. Wait 24-48 hours and run mysqltuner again. Example mysqltuner results: ——- Performance Metrics ————————————————- [–] Up for: 13d 2h 34m 16s (1M q [1.561 qps], 67K conn, TX: 81B, RX: 449M) [–] Reads / Writes: 91% / 9% [–] Total buffers: 298.0M global […]

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Apache and MySql Performance Tuning for High Traffic WordPress Website on Cpanel

…there were inevitable JavaScript and PHP conflicts, but W3TC is very flexible and was able to handle the task. Suggested a scheduled, offsite backup strategy that would utilize existing resources, and eliminate the need for a 3rd-party backup solution that was causing more load issues and costing $45.00 per month. Now the site is stable […]

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Varnish VCL and Config for WordPress with W3 Total Cache

…NFILES=131072 # # Locked shared memory (for ulimit -l) # Default log size is 82MB + header MEMLOCK=82000 # # Maximum size of corefile (for ulimit -c). Default in Fedora is 0 # DAEMON_COREFILE_LIMIT=”unlimited” # # Set this to 1 to make init script reload try to switch vcl without restart. # To make this […]

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Chris Gilligan Web Developer, Information Architect, Web Server Administrator, Media Producer web • video • print I design and produce information and communication media for university, corporate, small business, manufacturing and non-profit clients: web sites Information architecture and design for open source content management systems Front-end UI design, HTML, PHP, LESS Linux Apache […]

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