DevOps thoughts

Don't waste pure man's RAM

on July 29, 2010

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Want extra 200MB of RAM on Solaris Vmware Guest - disable Java Console, if you don't use it of course :)

#svcadm disable webconsole

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GUDS is what Oracle can ask you

GUDS When working with vendor on performance issue, this tool will be required. Be careful don't run it during business hours , performance degradation will go. Guds is a script to gather performance stats for Solaris. Sample usage is ./guds_2.4.5 ./guds_2.4.5 - qX -H3 -s65040465 - qX is for quite mode -H3 is for running it for 3 hours - sNNNNN is the sun case number (info embeded in dirs created by guds to store the files). It collects lots of info in /var/ tmp / CASEID / guds -DATE-TIME/…

Watching Sun Cluster's binary logs

To be able analyze sun cluster behavior the usefull tool to have is showev4 ./showev4 /var/cluster/logs/eventlog You can get it here http://www.unixpin.com/wordpress/wp-content/uploads/2008/06/showev4.zip

Mesosphere DCOS, my production feedback. Mesosphere DCOS release became one of the most noticeable industry events this year! As a result, I suspect large organizations will speed up containerisation adoption and DevOps practices in general. Possibility of commercial support for DCOS was one of the turnkey factors to choose this platform for me also. In this article, I would like to briefly highlight my experience with DCOS, which could be helpful for future migrations. Excellent out of the box configuration for rollout of non-production environments. Production requires lots of extra tuning. Great idea to use CoreOs as a host platform, however, I would appreciate this distribution to add all kernel modules supported by Redhat and Ubuntu. Great DCOS dashboard, it’s easy to show business all the benefits. Handy command line interface. ...

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