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Logparser automated within Windbg

The .shell command in Windbg allows to pipe the output of a debugger command to an external process and automatically print its output back inside the debugger window; a useful example is the command FIND, for example if we want to parse the stack for Read More...
Posted Friday, May 08, 2009 6:50 PM by Carlo Cardella | 1 Comments

IIS logs around midnight

Recently I had an interesting discussion with a friend of mine about IIS logging: basically he configured his web server to create a new log every day and then wanted to use a third party tool to extract some statistics and graphics from the logs. Unfortunately Read More...
Posted Thursday, March 05, 2009 4:04 PM by Carlo Cardella | 0 Comments
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ViewState validation troubles?

If you work with web sites in a complex/multi server environment you might be familiar with this error and as the error message itself suggest, the first thing to check if the machineKey value which must be the same across all of the involved server. Read More...
Posted Tuesday, December 23, 2008 11:06 PM by Carlo Cardella | 2 Comments

Charting with LogParser

A picture worth 1000 words and this is true also when you have to analyze IIS logs to get some statistics on your site; as you already know, LogParser is extremely flexible and very useful in such situation and its chart output format is what it’s needed. Read More...
Posted Thursday, August 07, 2008 3:19 PM by Carlo Cardella | 1 Comments
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LogParser did it again: application pool recycle

This started as a “standard” w3wp.exe crash, but this time IIS was also randomly disabling one of the application pools on the server. This is a protection mechanism we have since IIS 6 called Rapid Fail Protection that disables ad application pool (for Read More...
Posted Tuesday, July 29, 2008 10:26 AM by Carlo Cardella | 1 Comments
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Time-taken and LogParser for web site statistics

.alternatedarkrow { background-color: #ffffcc; } .alternatelightrow { background-color: #ffffff; border-left-style: inset; } The time-taken field is quite handy if your web application or IIS web server is performing poorly (or slower that you expect) Read More...
Posted Sunday, July 20, 2008 3:03 PM by Carlo Cardella | 2 Comments
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LogParser & event logs on Vista/Windows 2008

I was discussing this morning with a customer, here’s a useful reminder to this post if you need to deal with “legacy” .evt logs on Vista/Win2008. wevtutil epl application.evt application.evtx /lf:true Carlo Quote of the day: That's the secret to life... Read More...
Posted Tuesday, June 10, 2008 3:42 PM by Carlo Cardella | 0 Comments

Select date ranges with LogParser

Here’s an addendum to my previous LogParser collection of scripts : how can we filter our IIS logs folder to extract only the events happened in a certain time range? logparser "select * into 27.5.log from med*.log where to_timestamp(date,time) between Read More...
Posted Friday, May 30, 2008 7:22 AM by Carlo Cardella | 0 Comments
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LogParser scripts for various occasions...

I've been working again with LogParser lately to extract some statistics for an IIS server which was facing a suspicious activity from the outside world: they were getting literally thousands of requests from a bunch if IP addresses to their page to request Read More...
Posted Wednesday, February 06, 2008 3:56 PM by Carlo Cardella | 3 Comments
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Find folder size (conditionally) with LogParser

I was reading this post from Rahul a few days ago, and wondered if something similar could have been done (hopefully with less efforts) with LogParser ... Well, it turned our that LogParser accepts a " -FS " switch which stands for File System as the Read More...
Posted Friday, August 31, 2007 4:18 PM by Carlo Cardella | 6 Comments
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Start to play with LogParser

A few months ago (back at the beginning of March) at the annual offsite meeting my virtual team had in Lisbon, my colleague Doug held an hour session about LogParser and some of the cool features it has. Doug promised to blog about it with more details, Read More...
Posted Friday, August 31, 2007 11:48 AM by Carlo Cardella | 4 Comments
 
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