Q2A Performance v1.8.0 Beta1 vs v1.7.5

Everyone is interested to know the performance of latest version 1.8.0 Beta1 of Q2A. How much time taken to load each page, questions, user pages etc. Less time taken by database queries can help to load site faster and can be served to more users. It means same size server can handle more users if Q2A is faster.

Server Config Used for Testing

• Server Type: Amazon AWS Cloud server
• No of CPU: 1
• RAM: 1GB
• Disk Type: SSD
• PHP: v7.0.25
• MySql: v5.6.38

Q2A Site Setup

• Site tested on desktop
• Database with same question/answers are used for Q2A v1.8.0 beta1 and v1.7.5
• Default theme used for both site was Snow
• Plugins enabled:
  • event-logger
  • example-page
  • mouseover-layer
  • opensearch-support
  • tag-cloud-widget
  • wysiwyg-editor
  • xml-sitemap

Testing Method

• Enabled QA_DEBUG_PERFORMANCE in qa-config.php, which show performance data at the end of page.
• Chrome browser used for loading test Q2A site.
• Test site was not https
• Only one Q2A test site was active on this server while testing.
• Rebooted the server.
• Loaded test site and went through each page.
• Noted the performance time.
• Repeated above two steps 5 time
• Taken average of the times and listed in below table.
• Again rebooted server for another q2a site testing.

Performance Summary

Page Request	v1.8.0 Beta1 (with cache)	v1.7.5
	Time(ms) / RAM(kb)	Time(ms) / RAM(kb)
Recent questions and answers (Home Page)	35.9 / 2222	43.28 / 1962
Recent activity (All Activity Tab)	25.1 / 2230	32.52 / 1968
Recent questions without answers (Unanswered Tab)	18.86 / 2209	25.26 / 1951
Recent questions (Questions Tab)	19.3 / 2216	25.48 / 1961
Hot questions (Questions->Hot)	19.22 / 2215	25.38 / 1961
Highest voted questions (Questions->Votes)	18.98 / 2213	25.16 / 1960
Most answered questions (Questions->answers)	19.04 / 2215	25.32 / 1962
Most viewed questions (Questions->views)	19.16 / 2216	25.34 / 1962
Top scoring users (Users Tab)	17 / 1983	22.54 / 1810
Random user profile	22.02 / 1964	26.8 / 1798
Most popular tags	17.28 / 1872	22.28 / 1710
Ask a question	17.98 / 1928	23.6 / 1767
Question with 22 answers	30.46 / 2907	42.32 / 2633
Question with no answers	21.3 / 2169	27.98 / 1971

*Filesystem cache driver was enabled in v1.8.0 beta1, there is no cache feature in Q2A v1.7.5

Conclusion

Q2A v1.8.0 Beta1 is much faster(20-30%) than v1.7.5. MySql queries taking less time and PHP also taking less time to execute. RAM required for v1.8.0 Beta1 is little more than v1.7.5 but few kb memory should not matter when you run on good server.

Let me know if you want to me to check any other thing for the performance. What do you think about Q2A v1.8.0 Beta1 performance? share your views in comment.