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OLTP throughput may benefit from multiple CPUs.
In figures, Informix Dynamic Server (IDS) is able to deploy
15.3 of 16 CPUs productively.
Informix Dynamic Server v11.10 (IDS11.10) shows 20% better
performance than v9.40 (IDS9.40) independent of the IBM System
z model.
- IDS11.10 measurements:
- IBM eServer zSeries 990 (2084-B16)
- IBM TotalStorage Enterprise Storage Server
(2105-800) FCP/SCSI
- IBM System z9 (2094-S18)
- IBM System Storage DS8000 (2107-922) FCP/SCSI
- Linux 64bit, SLES10 SP1 kernel 2.6.16
- Informix Dynamic Server 11.10 FC1
- IDS9.4 measurements:
- IBM eServer zSeries 900 (2064-216)
- IBM TotalStorage Enterprise Storage Server
(2105-800) FCP/SCSI
- Informix Dynamic Server 9.40 FC3 Linux 64bit,
SLES8 SP2, kernel 2.4.19
- LPAR with 1-16 CPUs and 4GB memory, scaling CPUs
- OLTP workload
- Database Logical Volume
- 8 CHPIDs
- 8 host adapters
- FCP/SCSI disks in 8 ranks
- ext2 filesystem
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