Using the Squid Reverse Proxy to Improve eZ Publish Performance

Friday 24 July 2009 4:59:36 am

Introduction

Squid is an Open Source proxy application that can also be used as a reverse proxy. The difference between a proxy and a reverse proxy is that a proxy delivers content from multiple webservers to one user, while a reverse proxy delivers content from one webserver to multiple users. For example, a normal proxy might be used to provide a degree of anonymity to a user or to access servers that would otherwise be blocked; the proxy would access many other servers on the user's behalf. On the other hand, one of the reasons for using a reverse proxy is to speed up the delivery of content to all visitors of a particular server. This article shows how to use Squid with eZ Publish to improve the performance of your website.

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eZ debug

Timing:	Jan 18 2025 02:58:03
Script start
Timing:	Jan 18 2025 02:58:03
Module start 'layout'
Timing:	Jan 18 2025 02:58:03
Module start 'content'
Timing:	Jan 18 2025 02:58:03
Module end 'content'
Timing:	Jan 18 2025 02:58:03
Script end

Main resources:

Total runtime	0.1150 sec
Peak memory usage	4,096.0000 KB
Database Queries	53

Timing points:

Checkpoint	Start (sec)	Duration (sec)	Memory at start (KB)	Memory used (KB)
Script start	0.0000	0.0085	589.6016	152.6563
Module start 'layout'	0.0085	0.0029	742.2578	39.5234
Module start 'content'	0.0114	0.1016	781.7813	397.5000
Module end 'content'	0.1130	0.0020	1,179.2813	14.3984
Script end	0.1150		1,193.6797

Time accumulators:

Accumulator	Duration (sec)	Duration (%)	Count	Average (sec)
Ini load
Load cache	0.0039	3.3949	15	0.0003
Check MTime	0.0019	1.6518	15	0.0001
Mysql Total
Database connection	0.0014	1.2293	1	0.0014
Mysqli_queries	0.0600	52.1820	53	0.0011
Looping result	0.0005	0.4271	50	0.0000
Template Total	0.0790	68.7	2	0.0395
Template load	0.0028	2.4153	2	0.0014
Template processing	0.0762	66.2568	2	0.0381
Template load and register function	0.0002	0.1913	1	0.0002
states
state_id_array	0.0012	1.0782	2	0.0006
state_identifier_array	0.0014	1.2337	3	0.0005
Override
Cache load	0.0023	1.9765	6	0.0004
Sytem overhead
Fetch class attribute name	0.0011	0.9304	1	0.0011
class_abstraction
Instantiating content class attribute	0.0000	0.0033	1	0.0000
General
dbfile	0.0010	0.8697	10	0.0001
String conversion	0.0000	0.0077	4	0.0000
Note: percentages do not add up to 100% because some accumulators overlap

Templates used to render the page:

Usage	Requested template	Template	Template loaded
1	node/view/full.tpl	forum_topic/full.tpl	extension/community_design/design/suncana/override/templates/forum_topic/full.tpl
1	content/datatype/view/ezxmltext.tpl	<No override>	extension/community_design/design/suncana/templates/content/datatype/view/ezxmltext.tpl
1	content/datatype/view/ezxmltags/link.tpl	<No override>	design/standard/templates/content/datatype/view/ezxmltags/link.tpl
1	content/datatype/view/ezxmltags/paragraph.tpl	<No override>	extension/ezwebin/design/ezwebin/templates/content/datatype/view/ezxmltags/paragraph.tpl
1	print_pagelayout.tpl	<No override>	extension/community/design/community/templates/print_pagelayout.tpl
Number of times templates used: 5 Number of unique templates used: 5

Time used to render debug report: 0.0001 secs