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Nedap healthcare Lunchlezing bij Inter-Actief
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Nedap healthcare Lunchlezing bij Inter-Actief

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Sheets van de lezing die Olaf van Zandwijk van Nedap healthcare op 8 mei 2012 gaf bij Inter-Actief op de Universiteit Twente.

Sheets van de lezing die Olaf van Zandwijk van Nedap healthcare op 8 mei 2012 gaf bij Inter-Actief op de Universiteit Twente.

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  • Nedap Security Management\nSecuring banks, Tel Aviv Diamond Exchange, Oil Refineries, Airports, EK2012\n
  • Nedap Security Management\nSecuring banks, Tel Aviv Diamond Exchange, Oil Refineries, Airports, EK2012\n
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  • Retail security, inventory\n
  • Nedap Light Controls; UV desinfectielampen\nLarge UV waterzuiveringsinstallaties in New York, Paris, Beijing, Shanghai, Melbourne and Vancouver\nNaïade\n
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  • Simple, new dimension:\n
  • Distribution\n
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  • Feed info to family\n
  • Equip nurses with ipads\n
  • Chat with Nodejs / Faye\n
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  • Basic availability: Goede backups\nEnhanced availability: Data-protectie zoals RAID, prevents single disk failure \nHigh availability: Online applicatie- en datamanagement. Integratie van OS, Application\nFault tolerant: Duur! (99.999% = 5.25 minutes/year, < 1 seconde/dag)\n
  • Basic availability: Goede backups\nEnhanced availability: Data-protectie zoals RAID, prevents single disk failure \nHigh availability: Online applicatie- en datamanagement. Integratie van OS, Application\nFault tolerant: Duur! (99.999% = 5.25 minutes/year, < 1 seconde/dag)\n
  • Basic availability: Goede backups\nEnhanced availability: Data-protectie zoals RAID, prevents single disk failure \nHigh availability: Online applicatie- en datamanagement. Integratie van OS, Application\nFault tolerant: Duur! (99.999% = 5.25 minutes/year, < 1 seconde/dag)\n
  • Eliminate every single point of failure\n
  • Double powersupply, network (onboard chips), disks\nswitches, rack power\n
  • Double powersupply, network (onboard chips), disks\nswitches, rack power\n
  • Double powersupply, network (onboard chips), disks\nswitches, rack power\n
  • Double powersupply, network (onboard chips), disks\nswitches, rack power\n
  • Double powersupply, network (onboard chips), disks\nswitches, rack power\n
  • Double powersupply, network (onboard chips), disks\nswitches, rack power\n
  • Double powersupply, network (onboard chips), disks\nswitches, rack power\n
  • Double powersupply, network (onboard chips), disks\nswitches, rack power\n
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  • ~ 100 servers\n
  • Single datacenter => Single Point Of Failure\n
  • Single datacenter => Single Point Of Failure\n
  • Single datacenter => Single Point Of Failure\n
  • Single datacenter => Single Point Of Failure\n
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  • Split Brain. Network example\n
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  • Primary Component Selection Algorithm\n
  • Primary Component Selection Algorithm\n
  • Primary Component Selection Algorithm\n
  • Primary Component Selection Algorithm\n
  • Primary Component Selection Algorithm\n
  • Primary Component Selection Algorithm\n
  • Primary Component Selection Algorithm\n
  • Primary Component Selection Algorithm\n
  • Primary Component Selection Algorithm\n
  • Primary Component Selection Algorithm\n
  • Primary Component Selection Algorithm\n
  • Sharding (vs. partitioning, vs. horizontal partitioning)\n
  • Sharding example\n
  • Sharding example\n
  • Sharding example\n
  • Wikipedia refers to sharding simply as horizontal partition, i.e splitting the data rows. What we are doing is taking the business case into account. This is called "business sharding" or a "functional sharding".\nShared-nothing\n
  • Wikipedia refers to sharding simply as horizontal partition, i.e splitting the data rows. What we are doing is taking the business case into account. This is called "business sharding" or a "functional sharding".\nShared-nothing\n
  • Wikipedia refers to sharding simply as horizontal partition, i.e splitting the data rows. What we are doing is taking the business case into account. This is called "business sharding" or a "functional sharding".\nShared-nothing\n
  • Wikipedia refers to sharding simply as horizontal partition, i.e splitting the data rows. What we are doing is taking the business case into account. This is called "business sharding" or a "functional sharding".\nShared-nothing\n
  • Wikipedia refers to sharding simply as horizontal partition, i.e splitting the data rows. What we are doing is taking the business case into account. This is called "business sharding" or a "functional sharding".\nShared-nothing\n
  • Wikipedia refers to sharding simply as horizontal partition, i.e splitting the data rows. What we are doing is taking the business case into account. This is called "business sharding" or a "functional sharding".\nShared-nothing\n
  • Wikipedia refers to sharding simply as horizontal partition, i.e splitting the data rows. What we are doing is taking the business case into account. This is called "business sharding" or a "functional sharding".\nShared-nothing\n
  • Wikipedia refers to sharding simply as horizontal partition, i.e splitting the data rows. What we are doing is taking the business case into account. This is called "business sharding" or a "functional sharding".\nShared-nothing\n
  • Wikipedia refers to sharding simply as horizontal partition, i.e splitting the data rows. What we are doing is taking the business case into account. This is called "business sharding" or a "functional sharding".\nShared-nothing\n
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Nedap healthcare Lunchlezing bij Inter-Actief Nedap healthcare Lunchlezing bij Inter-Actief Presentation Transcript

  • Inter-Actief lunchlezing 8 mei 2012 Olaf van Zandwijk olaf.vanzandwijk@nedap.com
  • Security Management AVILibrary Solutions HealthcareRetail PEPEnergy Systems AgriLight Controls
  • 2000
  • zorg Zorgregistratiemuralelier a ulier Extr formu Extramurale dap healthcare tratie form egevens client: Persoonsg Ne zorg Z orgregis ns client:AGB-code instelling Naam ins telling gegeve 123-456 123-456 Persoons Sofinummer Naam instelling instelling 9 Nedap healthcare 1234.567.89 AGB-code 1234.567.8 de Postcode en huisnummer mer 56 1234 AB Voorvoegsel re 56 Sofinum 1234 AB hc a C.D. mer Achternaam en huisnum alt Vries Voorletters Postcode Vries he Voorvoegsel Geboortedatum d ap 01-01-1923 de Achternaam 01-01-1923 Ne jaar: 2004 Voorletters C.D. Gebo ortedatum Opgave over periode:2 g : 5 t/m: 8 or van week: 5 t/m: 8 Code: 6 van weeking Code: 22 jaar: 2004 :2 z er periode Weeknr.:5ll te de: 21 min. Opgave ov ale uren i ns Code de Co : 20 Code: 12 . uren Code: 20 min. 0 r m Code: 12 C. 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  • 2006
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(4297 11:51verscho 977 Bol 0596-63 022 m993W 43) Koning ens derder Molenr-Molen:12 210 300596uten 34LJ8Del 34LJ Seb vaKo bens n 1 0596 fz s 10 m . 5598 nen 08 Wil minapar KD 30 07:511 9507helminapa 9-A 96 an - en 9 35 min G. Zijle . T. Eend uten m Haa M5 Koning05 ning olen 0596 in Juliana in Ju M - min -61 3954 -61(428579) Delfz 09:02 yl inuten 0596-61 950 -61 5524rk minut 10 k -10:566 0596ond:m 26 6 9934 eistra av - enko Oranj a - Ree estra nrds 30 10:5 45di+-6 utea+wo 09:18 -61 69 96 analaa na 09:1 02 Mw uten minuten 3954 in Juli laan lia 09: yl de 2 08:22 30 dinsd en minut 7 en 45 m vr3 0226 +vr JC min n (4202 05 oi 08:39 41) 96-62 05 14 - 99 at 036) om(434873) avond:20.00-21. 4345 -61 32KH - 99 (421 20 m :586-6171 -61 69 55- 55- an 3 M 09:0. Drumpt 08 059 20 697 n la kinde rtjes (4980 na 07minuten ag inuten19.3 om 35 m :00 uur. 96 08 00 22 inuten m 1 71 55- wVor. 2 M . (4285 versch 64) ar op 2 :5 (4282 (42863) 10 56 10:85 Mw 0 uur. 20.15 uu inuten m 30 8831 34BB Bakk G mer 8w. 9934LJ 08:5 80) (4285 M 263) (42 :56 35) 10. B.J 09:18 8 20 minuten inuten van de Dru -r m 79) onen 08dinsdag naa vang. w. E. Mw. B. 1 . Battjes (434873 avon43 :1 r inuten 08:5 er . :22 r Br 08: d:20 Mw Mw G 8 (5040 (482054) +31 Vorm Veen Delfzyl (4820 Boeier 0596-61 395 - pt Mw. G opvang. ngin oeksema Koni Balk kema Mttjes . - Bal J. Ba w. H ) 08:0 . A. .00-21 4Kuil (4210 08:Gro .Dhrvan hr. K. va er 40) 58 en . . DStre Ou .00 uur. - .Boer 36) an 5 1 05 8 4 08:22 Mw . Herder -6 Wilhelmin - Bolt Sc ema erlachtla- Wieringa 08:4 Mw J. 09:12 10 la +3 (4297 0596 :12minute-n99 96 - 9934LJ D Spee:22 0596 Schoen Ja 54) - W 3 059de Schans 45 -. Zijle 43) K. van un - n der Ko 09 08lm an Herder 1 Prins . 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  • 2011
  • Downtime DowntimePercentage (per year) (per day) 90 36.5 days 2.4 hours 99 3.65 days 14 minutes 99.9 8.76 hours 86 seconds 99.99 52.6 minutes 8.6 seconds 99.999 5.25 minutes 0.86 seconds 99.9999 31.5 seconds 8.6 milliseconds
  • 100% Fault tolerant 99.999% 99.99%Availability High availability 99.5% 99.0% Enhanced availability 98.0% 96.5% Basic availability
  • Costs 100% Fault tolerant 99.999% 99.99%Availability High availability 99.5% 99.0% Enhanced availability 98.0% 96.5% Basic availability
  • Debian Linux
  • Debian Linux LVS Keepalived Apache
  • Debian Linux LVS Keepalived Apache Apache Passenger Nginx
  • Debian Linux LVS Keepalived Apache Apache Passenger Nginx MySQLPercona Server Redis
  • Datacenter 1 Datacenter 2
  • Datacenter 1 Datacenter 2
  • Datacenter 1 Datacenter 2
  • STONITH
  • Shoot The Other Node In The Head
  • DB requirements
  • DB requirements• Synchronous (no slave lag)• Support transactions (InnoDB/XtraDB)• Automatic fail-over• Write to any server• Parallel slave applying
  • Galera replication (wsrep)
  • Galera replication (wsrep)
  • PC
  • PC
  • PCPC
  • PCPC
  • PC PCPC
  • Users
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  • Olaf van Zandwijkolaf.vanzandwijk@nedap.com Twitter: @olafvanzandwijk