Postgre sql vs oracle
- 1. BASEL BERN BRUGG DÜSSELDORF FRANKFURT A.M. FREIBURG I.BR. GENEVA HAMBURG COPENHAGEN LAUSANNE MUNICH STUTTGART VIENNA ZURICH PostgreSQL vs Oracle OLTP performance benchmark against Oracle. Jacques Kostic Principal Consultant
- 2. PostgreSQL Best Practices2 04/05/2019 Experience: • Initially C/C++ developer • In touch with Oracle since 1990 from version 4 on SCO Unix! • High Availability and Backup & Recovery Architect • SQL and Instance Performance & Tuning • License Audit and Consolidation Certifications: • Oracle Certified Master 11g & 12c • Oracle 11g Performance Tuning Certified Expert • Oracle RAC 11g and Grid Infrastructure Administration • Oracle Exadata Administrator Certified Expert • Oracle Certified SQL Expert 11g Teaching Courses at Trivadis: • Oracle 11g & 12c Grid Infrastructure & RAC • Oracle 11g & 12c Data Guard • Oracle 11g & 12c Performance & Tuning • Oracle 11g & 12c Administration • SQL & PL-SQL • OEM – 12 & 13 About me… @JKOFR
- 3. Agenda PostgreSQL Best Practices5/4/2019 1. OLTP performance benchmark PostgreSQL vs Oracle Configuration Results 2. Conclusion Takeaway 3
- 4. 5/4/2019 OLTP Performance Benchmark PostgreSQL vs Oracle Oracle DBaaS4
- 5. OLTP Test: PostGreSQL vs Oracle PostgreSQL Best Practices5/4/20195 Goal Use the same type of machine Test the same OLTP workload on both databases Test different CPU allocation Compare the results
- 6. OLTP Test: PostGreSQL vs Oracle: Configuration PostgreSQL Best Practices5/4/20196 Server details Main host: • 2 * 8 cores CPU E5-2680 0 @ 2.70GHz • OEL 7.2 • 192 GB • Flash Storage volumes on PCIe cards (no NVMe) VMs: • 8 vCPU • 8 GB RAM Concurrent sessions: • 100
- 7. OLTP Test: PostGreSQL vs Oracle : Configuration PostgreSQL Best Practices5/4/20197 Hammerdbcli PostGreSQL Test Setup dbset db pg diset tpcc pg_defaultdbase hammerdb loadscript vudestroy vuset delay 5 vuset repeat 5 vuset showoutput 1 vuset timestamps 1 vuset logtotemp 1 vuset vu 100 vucreate vurun
- 8. OLTP Test: PostGreSQL vs Oracle : Configuration PostgreSQL Best Practices5/4/20198 Hammerdbcli Oracle Test Setup dbset db ora diset connection instance jko loadscript vudestroy vuset delay 5 vuset repeat 5 vuset showoutput 1 vuset timestamps 1 vuset logtotemp 1 vuset vu 100 vucreate vurun
- 9. OLTP Test: PostGreSQL vs Oracle : Results PostgreSQL Best Practices5/4/20199 PostGreSQL Time to complete the full test 4.23 mn Average CPU Usage 88 % Transaction per minutes max 156’222
- 10. OLTP Test: PostGreSQL vs Oracle : Results PostgreSQL Best Practices5/4/201910 Oracle Time to complete the full test Time 4.12 mn Average CPU Usage 74 % Transaction per minutes max 172’268
- 11. OLTP Test: PostGreSQL vs Oracle : Results PostgreSQL Best Practices5/4/201911 select sum(value) from v$sysstat where name = 'user commits' or name = 'user rollbacks' select sum(xact_commit + xact_rollback) from pg_stat_database
- 12. OLTP Test: PostGreSQL vs Oracle : Configuration PostgreSQL Best Practices5/4/201912 Lets Scale! Main host: • 2 * 8 cores CPU E5-2680 0 @ 2.70GHz • OEL 7.2 • 192 GB • Flash Storage volumes on PCIe cards (no NVMe) VMs: • 16 vCPU • 8 GB RAM Concurrent sessions: • 100
- 13. OLTP Test: PostGreSQL vs Oracle : Results PostgreSQL Best Practices5/4/201913 PostGreSQL Time to complete the full test Time 3.27 mn Average CPU Usage 65 % Transaction per minutes max 194’904
- 14. OLTP Test: PostGreSQL vs Oracle : Results PostgreSQL Best Practices5/4/201914 Oracle Time to complete the full test Time 3.16 mn Average CPU Usage 57 % Transaction per minutes max 251’292
- 15. OLTP Test: PostGreSQL vs Oracle : Results PostgreSQL Best Practices5/4/201915 select sum(value) from v$sysstat where name = 'user commits' or name = 'user rollbacks' select sum(xact_commit + xact_rollback) from pg_stat_database
- 16. OLTP Test: PostGreSQL vs Oracle : Results PostgreSQL Best Practices5/4/201916 8 vCPU 2.6% Faster 16% Less CPU 9.3% More TPM
- 17. OLTP Test: PostGreSQL vs Oracle : Results PostgreSQL Best Practices5/4/201917 16 vCPU 3.4% Faster 12.3% Less CPU 22.43% More TPM
- 18. Jacques Kostic, Principal Consultant Tel. +41-79-909 7263 Jacques.Kostic@trivadis.com 5/4/201918 TechEvent September 2018