So I spent the best part of a day assisting our sys admin and developer resolve MQ errors that a COBOL client was throwing when opening more than one concurrent connection to a clustered queue manager.
Because the architecture had recently changed to a cluster, and my load harness was no longer getting the desired response times, we all went down the track of investigating issues with clustering as this was the new kid on the block. Whilst the developer and sys admin revealed many other interesting tid bits of information regarding correct configuration and the like, we still could not collectively resolve the problem: the COBOL code was throwing a 2195 reason code on multiple MQCONN calls to the queue manager.
Read More
IIS logs if setup properly can be an extremely useful source of information during load testing and for other activities such as capacity planning. Another load tester sings its praise here and provides good justification of why you should use it.
The log parser comes for free with the IIS resource pack but you can also get it individually here.
Read More
Amazon web services development domain have provided some neat perl code here such that you can simply put, get or delete objects inside an Amazon S3 storage bucket with something like this:
./s3curl.pl --id=[aws-access-key-id] --key=[aws-secret-access-key] -- http://s3.amazonaws.com/[bucket-name]/[key-name]
I modified the author’s code to make it a bit more win32 friendly, as it is no surprise that DPHOTO uses perl and a win32 platform to launch its tertiary backups.
Read More
I often use a combination of cygwin with ssh to remotely manage windows servers, as I find this to be a quicker (and hopefully safer) method of access to my windows boxes. To that end, I often need to check windows application event logs. Typically you’d use the mmc, but all I want to do mostly is check the last 10 or 100 entries for things like break in attempts, or application warnings/failures etc.
Read More
