MPE/iX 7.5 and HP e3000 PA-8700 Performance Upgrade Updates Kevin Cooper Hewlett-Packard kevin.cooper@hp.
Overview • • • • • New HP e3000 PA-8700 Systems Recommended Upgrade Paths Memory “Rules of Thumb” New Features of MPE/iX 7.5 MPE/iX 6.5 and 7.
New HP e3000 PA-8700 Systems • New high-end N-class systems with 750 MHz processors, providing higher levels of both OLTP and batch performance. • New mid-range N-class systems with effective clock speeds of 380 and 500 MHz. • New option for a second 380MHz processor. • New entry-level A-class systems at DOUBLE the performance of the existing A-class; now based on 650 MHz processors.
0 a-class entry n-class midrange n-class 60 high-end n-class N4000-400-750 37 52 N4000-300-750 40 N4000-400-500 N4000-300-500 27 N4000-200-500 15 N4000-100-500 20 N4000-200-380 N4000-100-380 6.4 A500-200-200 4.
New Highest-Performing HP e3000 OLTP System • The new N4000-400-750 delivers 100 MPE/iX Relative Performance Units. • Over 35% gain in OLTP system throughput compared to the previous high-end system, the N4000-400-550, at 72 Units. • Almost double the OLTP throughput of the Series 997/1200, at 52.3 Units. • Can be configured with 3 or 4 processors.
New Highest-Performing HP e3000 Batch System CPU time to sort an 800MB file (10 million 80-byte records): • 997 13 minutes • 989/x50 8 minutes • N4000-550 4 minutes • N4000-750 3+ minutes
New Mid-Range N-class Systems • N4000-100-380 delivers 15 MPE/iX Relative Performance Units. • New option to add a second processor takes this up to 27 Units. • N4000-100-500 delivers 20 MPE/iX Relative Performance Units. • Up to three additional processors can take this up to 37, 52, or 65 Units.
New Entry-Level A-class Systems • A400-100-150 delivers 4.8 MPE/iX Relative Performance Units – more than DOUBLE the performance of the previous A400 (2.2 Units). • A500-100-200 delivers 6.4 Units – DOUBLE the previous A500 (3.2 Units). • Optional second processor in the A500 can take it up to 11 Performance Units, DOUBLE the previous A500 2-way (5.4 Units).
0 a-class entry n-class midrange n-class 60 high-end n-class N4000-400-750 37 52 N4000-300-750 40 N4000-400-500 N4000-300-500 27 N4000-200-500 15 N4000-100-500 20 N4000-200-380 N4000-100-380 6.4 A500-200-200 4.
Recommended Upgrades to the N4000-400-750 • New System: N4000-400-750 • Upgrade from: N4000-400-550 N4000-400-440 Series 997/1200 100 72 57 52.
Recommended Upgrades to the N4000-300-750 • New System: N4000-300-750 • Upgrade from: N4000-300-550 N4000-300-440 Series 997/1000 79 58 46 48
Recommended Upgrades to the N4000-400-500 • New System: N4000-400-500 • Upgrade from: N4000-300-440 Series 989/650 Series 997/800 65 46 43.
Recommended Upgrades to the N4000-300-500 • New System: N4000-300-500 • Upgrade from: N4000-200-440 Series 989/450 Series 989/600 Series 997/600 52 33 35.2 33.2 32.
Recommended Upgrades to the N4000-200-500 • New System: N4000-200-500 • Upgrade from: N4000-100-440 Series 989/250 Series 989/300 Series 997/400 Series 979/400 37 18 21.3 24.4 23.7 24.
Recommended Upgrades to the N4000-100-500 • New System: N4000-100-500 • Upgrade from: N4000-100-330 Series 989/150 Series 997/200 Series 969/220 20 13 11.1 13.2 12.
Recommended Upgrades to the N4000-200-380 • New System: N4000-200-380 • Upgrade from: Series 989/200 Series 979/200 Series 969/400 Series 959/400 27 17.2 14.6 16.4 14.
Recommended Upgrades to the N4000-100-380 • New System: N4000-100-380 • Upgrade from: N4000-100-220 Series 989/100 All older 9x9/100 All 929, 939 15 9 9.1 4.6 – 7.9 3.3 – 5.
Recommended Upgrades to the A500-200-200 • New System: A500-200-200 • Upgrade from: A500-200-140 Series 988 Series 987/150 Series 987/200 11 5.4 5.1 5.9 7.
Recommended Upgrades to the A500-100-200 • New System: A500-100-200 • Upgrade from: A500-100-140 Series 977, 978 Series 987/100 6.4 3.2 3.4 4.
Recommended Upgrades to the A400-100-150 • New System: A400-100-150 • Upgrade from: A400-100-110 Series 967, 968 Smaller 9x7, 9x8 4.8 2.2 2.6 – 2.8 1.3 – 2.
Memory “Rules of Thumb” – PA-8700 System Minimums • 1.
Memory “Rules of Thumb” – When to Add More • For memory-intensive applications (such as those using 4GLs) • For heavy batch processing • For a high number of online user sessions • When adding processors to a system
New Features of MPE/iX 7.5 FibreChannel • Native FibreChannel PCI I/O cards are now supported in N-class and A-class systems, allowing FibreChannel disks to be directly connected to these systems. • Provides greater I/O bandwidth than Fast/Wide SCSI – but I/O channels are seldom a bottleneck on HP e3000s.
New Features of MPE/iX 7.5 FibreChannel • Six new system processes were added to MPE/iX 7.5 for FibreChannel, so the Transaction Manager (XM) Checkpoint Processor now starts with System Process 17, instead of Process 11.
New Features of MPE/iX 7.
New Features of MPE/iX 7.5 – TurboIMAGE Scalability II • Enhanced High Water Mark (EHWM) may provide improved concurrency for DBPUT and DBDELETE on busy OLTP systems. • Can provide even greater scalability than the existing DSEM and Prefetch options. • Disabled by default; enabled with DBUTIL. • Best performance improvement is seen on systems with six or more processors.
New Features of MPE/iX 7.5 PLFD Expansion • A process can open more files and/or sockets, up from 1024 to 4096. • A new hashing algorithm provides better performance when a process has more than 512 files and/or sockets open.
Other New Features of MPE/iX 7.5 • The number of users that can connect to a single user logging process has been increased from 1140 to 2851. • LDEV 1 can now be greater than 4GB in size. MPE/iX system files must still reside in the first 4GB on this disk.
Review of Some Recent High-End Features • A system can now have up to 12000 processes, by enabling the “BIGPIN” feature in SYSGEN (introduced in 7.0 Express 1). • Systems needing additional processes can replace the :RUN command with the :NEWCI command, to eliminate one process per user (introduced in 6.5).
MPE/iX 6.5 and 7.0 Performance Patches • Two patches were released in 2001, which may improve performance on some larger systems running MPE/iX 6.5 or 7.0: – MPELXH8 (Memory Manager) – MPELXH3 (TurboSTORE) • Both patches are included in MPE/iX 7.5. • No 6.5 or 7.0 Power Patches contain both of these patches; customers must request them.
MPE/iX 6.5 and 7.0 Performance Patches • MPELXH8 is superseded by MPELXV3 on 6.5, and by MPELXQ5 on 7.0. None of these patches are included in any Power Patch release for MPE/iX 6.5 or 7.0. • MPELXH3 is superseded by MPELXY4 on both 6.5 and 7.0. MPELXY4 is included in MPE/iX 6.5 Power Patch 3, but the changes of MPELXH3 are NOT included in any other Power Patch release for MPE/iX 6.5 or 7.0.
MPE/iX 7.5 and HP e3000 PA-8700 Performance Upgrade Updates Kevin Cooper Hewlett-Packard kevin.cooper@hp.
