jtheo

optimization

  • Bookmarks for 21 set 2015 through 24 set 2015

    These are my links for 21 set 2015 through 24 set 2015: IOWait. (Sysadmin’s bedtime horror story) – […] hope this helps someone out there. The last 3 days, I have had my server crash on me every 2-3 hours. At first I thought it would be a spike in the traffic, since I couldn’t…

  • Bookmarks for 22 mag 2015 through 29 mag 2015

    These are my links for 22 mag 2015 through 29 mag 2015: Reducing PDF file-size in Linux | The Road to Elysium – The other day I downloaded a PDF that ended up being a whole lot bigger than I thought. A “whopping” 230MB, which is another deal compared to the 30MB PDF’s that I’m…

  • Bookmarks for 27 feb 2015 through 28 feb 2015

    These are my links for 27 feb 2015 through 28 feb 2015: Excel: dieci errori da non fare – Excel è un programma molto utile, che fa risparmiare un sacco di tempo e di fatica a chi lo usa correttamente, ma che può facilmente trasformarsi in un buco nero del nostro tempo se usato male.…

  • Bookmarks for 29 lug 2014 from 19:48 to 20:16

    These are my links for 29 lug 2014 from 19:48 to 20:16: FhGFS Wiki: Tips and Recommendations for Storage Server Tuning – Here are some tips and recommendations on how to improve the performance of your storage servers. As usual, the optimal settings depend on your particular hardware and usage scenarios, so you should use…

  • Bookmarks for 24 lug 2013 through 2 ago 2013

    These are my links for 24 lug 2013 through 2 ago 2013: wg/wrk · GitHub – wrk is a modern HTTP benchmarking tool capable of generating significant load when run on a single multi-core CPU. It combines a multithreaded design with scalable event notification systems such as epoll and kqueue. [ via http://onethingwell.org/post/56882294128/wrk ] Automate…