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APC INFO Monitor

How to Configure APC Cache on Virtual Servers with PHP running under FCGId

…hen you have issues, probably cache full and fragmented. Fragmentation Explained Fragmentation is a measure of the non-available portion of apc.shm_size due to lack of contiguous memory large enough to accept new cache items. 100% fragmentation means the available memory is broken into hundreds of small pieces that are too small to accept new cache […]

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LAMP-linux-apache-mysql-php

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

…OB and TEXT columns are not allow in memory tables. If you are using these columns raising these values might not impact your ratio of on disk temp tables. TABLE SCANS Current read_buffer_size = 1 M Current table scan ratio = 199 : 1 read_buffer_size seems to be fine TABLE LOCKING Current Lock Wait ratio […]

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virtualmin-nginx-wordpress-permalinks-apc

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

…d 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.so 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 = 0 apc.gc_ttl = […]

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APC INFO Monitor

APC Cache Considerations for Virtual Hosting Environments

…rtual host, and so to set an individual configuration for 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 […]

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