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Grid Technology CERN IT Department CH-1211 Geneva 23 Switzerland www.cern.ch/i t DBCF GT Performant and Future Proof: MySQL, Memcache and Raspberry Pi.

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Presentation on theme: "Grid Technology CERN IT Department CH-1211 Geneva 23 Switzerland www.cern.ch/i t DBCF GT Performant and Future Proof: MySQL, Memcache and Raspberry Pi."— Presentation transcript:

1 Grid Technology CERN IT Department CH-1211 Geneva 23 Switzerland www.cern.ch/i t DBCF GT Performant and Future Proof: MySQL, Memcache and Raspberry Pi Martin Hellmich ( on behalf of the LCGDM team ) EMI INFSO-RI-261611

2 CERN IT Department CH-1211 Geneva 23 Switzerland www.cern.ch/i t GT What we do today 1.Dmlite on a Raspberry Pi 2.Using memcached for speedup 3.HTTP load balancing Standard Interfaces to Grid Storage – DPM and LFC Update - 2

3 CERN IT Department CH-1211 Geneva 23 Switzerland www.cern.ch/i t GT Raspberry Pi 700 MHz ARM11 256 MByte RAM 35US$ Standard Interfaces to Grid Storage – DPM and LFC Update - 3

4 CERN IT Department CH-1211 Geneva 23 Switzerland www.cern.ch/i t GT DPM on there? Fedora 17 Raspberry Pi Remix DPm on EPEL/Fedora  clean builds Some rebuilds per koji necessary Not the newest development versions Standard Interfaces to Grid Storage – DPM and LFC Update - 4

5 CERN IT Department CH-1211 Geneva 23 Switzerland www.cern.ch/i t GT memcached Distributed memory cache Usage – Add several cache servers to a head node – Share cache between head nodes – Take load off DB Standard Interfaces to Grid Storage – DPM and LFC Update - 5

6 CERN IT Department CH-1211 Geneva 23 Switzerland www.cern.ch/i t GT Setup 1 Standard Interfaces to Grid Storage – DPM and LFC Update - 6

7 CERN IT Department CH-1211 Geneva 23 Switzerland www.cern.ch/i t GT Setup 2 Standard Interfaces to Grid Storage – DPM and LFC Update - 7

8 CERN IT Department CH-1211 Geneva 23 Switzerland www.cern.ch/i t GT Setup 3 Standard Interfaces to Grid Storage – DPM and LFC Update - 8

9 CERN IT Department CH-1211 Geneva 23 Switzerland www.cern.ch/i t GT Pen Load Balancer Yum install pen Debug start: sudo pen -daf 80 headnode1.cern.ch \ headnode2.cern.ch Standard Interfaces to Grid Storage – DPM and LFC Update - 9

10 CERN IT Department CH-1211 Geneva 23 Switzerland www.cern.ch/i t GT Setup 4 Standard Interfaces to Grid Storage – DPM and LFC Update - 10

11 CERN IT Department CH-1211 Geneva 23 Switzerland www.cern.ch/i t GT References Fedora 17 Raspberry Pi Remix http://zenit.senecac.on.ca/wiki/index.php/Raspberr y_Pi_Fedora_Remix Dmlite memcache plugin https://svnweb.cern.ch/trac/lcgdm/wiki/Dpm/Dev/ Dmlite/Plugins/Memcache Memcached wiki http://code.google.com/p/memcached/wiki/NewSt art Pen Load Balancer http://siag.nu/pen/ http://blog.miketoscano.com/?p=7 Standard Interfaces to Grid Storage – DPM and LFC Update - 11


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