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Analyze Zope instance log with haufe.requestmonitoring entries
Python
tag: 0.1

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MANIFEST.in
README.rst
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README.rst

Introduction

This project adds to your system a new utility command: zope_lrr_analyzer. This utility only works with Zope instance logs, where you also intalled haufe.requestmonitoring.

It will help you to parse slow running request reports and collect some statistical data.

How to use

Usage: zope_lrr_analyzer [options] logfile [logfile...]

Analyze Zope instance log with haufe.requestmonitoring entries

Options:
--version show program's version number and exit
-h, --help show this help message and exit
-s START_FROM, --start=START_FROM
 start analysis after a given date/time (format like "YYYY-MM-DD HH:MM:SS")
-e END_AT, --end=END_AT
 stop analysis at given date/time (format like "YYYY- MM-DD HH:MM:SS")
-l LOG_SIZE, --log-size=LOG_SIZE
 keep only an amount of slow requests. Default is: no limit.
-i INCLUDE_REGEX, --include=INCLUDE_REGEX
 a regexp expression that a calling path must match or will be discarded. Can be called multiple times, expanding the set

Results

Let explain the given results:

Stats from 2012-04-27 00:02:07 to 2012-04-27 16:55:41
...
----
2 /VirtualHostBase/http/yoursite.com:80/siteid/VirtualHostRoot/foo/foo
    15 - 171.913325071 (0:02:51.913325)

----
1  /VirtualHostBase/http/yoursite.com:80/siteid/VirtualHostRoot/foo/another
    3 - 1350.58498883 (0:22:30.584989)

You'll get a ranking of slowest request paths (top one is faster, last one is slowest). The order is not done collecting all request's done to the same path, getting the total time.

This mean that a request called only one time and that need 30 seconds is faster that another path that only require 10 seconds, but is called ten times.

Single entry meaning

Every entry gives that kind of data:

Entry position                       Called path
     |                                   |
     1 /VirtualHostBase/http/yoursite.com:80/siteid/VirtualHostRoot/...
         15 - 171.913325071 (0:02:51.913325)
         |         |                |
     Times called  |      Time needed (human readable)
                   |
          Time needed (in seconds)
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