principles of transaction processing second edition 7章 1, 2節
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- 1. Principles of Transaction Processing Second Edition 7 1, 2
2. 7.1 pp.185 188 2 Yuichiro Saito 3. 7.1 - 1 24 by 7 (24-365) 2 MTBF MTTR () = MTBF / (MTBF+MTTR)99.9%99.999% SLA, , 3 Yuichiro Saito 4. 7.1 - 2 : : : CPU, RAM, I/O, : OS, , DB, TPM, , 4 Yuichiro Saito 5. 7.1 -1 (UPS), UPS UPS UPS : BA (NTT) , , , () 5 Yuichiro Saito 6. 7.1 - 2 (Disaster Recovery DR) 1: DR30km 2: DRDRDRP 9 6 Yuichiro Saito 7. 7.1 (Windows :-p) 24-365 7 Yuichiro Saito 8. 7.1 OSI/O 8 Yuichiro Saito 9. 7.1 - 1 OS MTTR OS90 OS 0 9 Yuichiro Saito 10. 7.1 - 2 (?) - DWH TP 10 Yuichiro Saito 11. 7.2 pp.188 194 11 Yuichiro Saito 12. 7.2 - 1 OS TP OS, DB, TPM 3 Fig7.1: (keepalive, heartbeat) (heartbeat) OS MTTR 12 Yuichiro Saito 13. 7.2 - 2 Keepalive OS 8,9 13 Yuichiro Saito 14. 7.2 - 3 OS 14 Yuichiro Saito 15. 7.2 - 1 (Fig 7.2) 15 Yuichiro Saito 16. 7.2 - 2 4 16 Yuichiro Saito 17. 7.2 17 Yuichiro Saito 18. 7.2 (Fig 7.3) (Fig 7.4) 18 Yuichiro Saito 19. 7.2 () 19 Yuichiro Saito 20. 7.2 4.4 All or Nothing 20 Yuichiro Saito 21. 7.2 - 1 2 (Fig 7.5) DB 21 Yuichiro Saito 22. 22 Yuichiro Saito