مشکل در کانفیگ Varnish

**~~Varmazyar~~** · July 23rd, 2013, 15:06

با سلام خدمت اساتید گرامی
پیرو پستی که چند روز پیش مبنی بر افزایش بی رویه ی استفاده از منابع سرور گذاشته بودم میخواستم بپرسم بهترین روش برای کانفیگ وارنیش چیه ؟ بهترین آرگومان ها برای کش کردن چیه ؟
چون بعد از کلی تحقیق متوجه شدم که مشکل اشغال رم سرورم ( 7 گیگ از 8 گیگ رم ) به علت کانفیگ نامناسب وارنیش هست ...
دو فایل کانفیگ مورد نظر رو براتون میذارم
پیشاپیش بابت راهنمایی ممنونم

کد:

# This is a basic VCL configuration file for varnish.  See the vcl(7)
# man page for details on VCL syntax and semantics.
# 
# Default backend definition.  Set this to point to your content
# server.
# 
backend default {
  .host = "myIp";
  .port = "8080";
}
# 
# Below is a commented-out copy of the default VCL logic.  If you
# redefine any of these subroutines, the built-in logic will be
# appended to your code.
# 
# sub vcl_recv {
#     if (req.restarts == 0) {
#     if (req.http.x-forwarded-for) {
#         set req.http.X-Forwarded-For =
#         req.http.X-Forwarded-For ", " client.ip;
#     } else {
#         set req.http.X-Forwarded-For = client.ip;
#     }
#     }
#     if (req.request != "GET" &&
#       req.request != "HEAD" &&
#       req.request != "PUT" &&
#       req.request != "POST" &&
#       req.request != "TRACE" &&
#       req.request != "OPTIONS" &&
#       req.request != "DELETE") {
#         /* Non-RFC2616 or CONNECT which is weird. */
#         return (pipe);
#     }
#     if (req.request != "GET" && req.request != "HEAD") {
#         /* We only deal with GET and HEAD by default */
#         return (pass);
#     }
#     if (req.http.Authorization || req.http.Cookie) {
#         /* Not cacheable by default */
#         return (pass);
#     }
#     return (lookup);
# }
# 
# sub vcl_pipe {
#     # Note that only the first request to the backend will have
#     # X-Forwarded-For set.  If you use X-Forwarded-For and want to
#     # have it set for all requests, make sure to have:
#     # set bereq.http.connection = "close";
#     # here.  It is not set by default as it might break some broken web
#     # applications, like IIS with NTLM authentication.
#     return (pipe);
# }
# 
# sub vcl_pass {
#     return (pass);
# }
# 
# sub vcl_hash {
#     set req.hash += req.url;
#     if (req.http.host) {
#         set req.hash += req.http.host;
#     } else {
#         set req.hash += server.ip;
#     }
#     return (hash);
# }
# 
# sub vcl_hit {
#     if (!obj.cacheable) {
#         return (pass);
#     }
#     return (deliver);
# }
# 
# sub vcl_miss {
#     return (fetch);
# }
# 
# sub vcl_fetch {
#     if (!beresp.cacheable) {
#         return (pass);
#     }
#     if (beresp.http.Set-Cookie) {
#         return (pass);
#     }
#     return (deliver);
# }
# 
# sub vcl_deliver {
#     return (deliver);
# }
# 
# sub vcl_error {
#     set obj.http.Content-Type = "text/html; charset=utf-8";
#     synthetic {"
# <?xml version="1.0" encoding="utf-8"?>
# <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
#  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
# <html>
#   <head>
#     <title>"} obj.status " " obj.response {"</title>
#   </head>
#   <body>
#     <h1>Error "} obj.status " " obj.response {"</h1>
#     <p>"} obj.response {"</p>
#     <h3>Guru Meditation:</h3>
#     <p>XID: "} req.xid {"</p>
#     <hr>
#     <p>Varnish cache server</p>
#   </body>
# </html>
# "};
#     return (deliver);
# }

کد:

# Configuration file for varnish
#
# /etc/init.d/varnish expects the variable $DAEMON_OPTS to be set from this
# shell script fragment.
#

# Maximum number of open files (for ulimit -n)
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 work, you need to set the following variables
# explicit: VARNISH_VCL_CONF, VARNISH_ADMIN_LISTEN_ADDRESS,
# VARNISH_ADMIN_LISTEN_PORT, VARNISH_SECRET_FILE, or in short,
# use Alternative 3, Advanced configuration, below
RELOAD_VCL=1

# This file contains 4 alternatives, please use only one.

## Alternative 1, Minimal configuration, no VCL
#
# Listen on port 6081, administration on localhost:6082, and forward to
# content server on localhost:8080.  Use a fixed-size cache file.
#
#DAEMON_OPTS="-a :6081 \
#             -T localhost:6082 \
#             -b localhost:8080 \
#             -u varnish -g varnish \
#             -s file,/var/lib/varnish/varnish_storage.bin,1G"


## Alternative 2, Configuration with VCL
#
# Listen on port 6081, administration on localhost:6082, and forward to
# one content server selected by the vcl file, based on the request.  Use a
# fixed-size cache file.
#
#DAEMON_OPTS="-a :6081 \
#             -T localhost:6082 \
#             -f /etc/varnish/default.vcl \
#             -u varnish -g varnish \
#             -S /etc/varnish/secret \
#             -s file,/var/lib/varnish/varnish_storage.bin,1G"


## Alternative 3, Advanced configuration
#
# See varnishd(1) for more information.
#
# # Main configuration file. You probably want to change it :)
VARNISH_VCL_CONF=/etc/varnish/default.vcl
#
# # Default address and port to bind to
# # Blank address means all IPv4 and IPv6 interfaces, otherwise specify
# # a host name, an IPv4 dotted quad, or an IPv6 address in brackets.
# VARNISH_LISTEN_ADDRESS=
VARNISH_LISTEN_PORT=80
#
# # Telnet admin interface listen address and port
VARNISH_ADMIN_LISTEN_ADDRESS=127.0.0.1
VARNISH_ADMIN_LISTEN_PORT=6082
#
# # Shared secret file for admin interface
VARNISH_SECRET_FILE=/etc/varnish/secret
#
# # The minimum number of worker threads to start
VARNISH_MIN_THREADS=1
#
# # The Maximum number of worker threads to start
VARNISH_MAX_THREADS=1000
#
# # Idle timeout for worker threads
VARNISH_THREAD_TIMEOUT=120
#
# # Cache file location
VARNISH_STORAGE_FILE=/var/lib/varnish/varnish_storage.bin
#
# # Cache file size: in bytes, optionally using k / M / G / T suffix,
# # or in percentage of available disk space using the % suffix.
VARNISH_STORAGE_SIZE=1G
#
# # Backend storage specification
VARNISH_STORAGE="file,${VARNISH_STORAGE_FILE},${VARNISH_STORAGE_SIZE}"
#
# # Default TTL used when the backend does not specify one
VARNISH_TTL=120
#
# # DAEMON_OPTS is used by the init script.  If you add or remove options, make
# # sure you update this section, too.
DAEMON_OPTS="-a ${VARNISH_LISTEN_ADDRESS}:${VARNISH_LISTEN_PORT} \
             -f ${VARNISH_VCL_CONF} \
             -T ${VARNISH_ADMIN_LISTEN_ADDRESS}:${VARNISH_ADMIN_LISTEN_PORT} \
             -t ${VARNISH_TTL} \
             -w ${VARNISH_MIN_THREADS},${VARNISH_MAX_THREADS},${VARNISH_THREAD_TIMEOUT} \
             -u varnish -g varnish \
             -S ${VARNISH_SECRET_FILE} \
             -s ${VARNISH_STORAGE}"
#


## Alternative 4, Do It Yourself. See varnishd(1) for more information.
#
# DAEMON_OPTS=""

**~~Varmazyar~~** · July 24th, 2013, 00:23

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موضوع: مشکل در کانفیگ Varnish

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