DSpace 7 Performance Testing

This page describes an effort to measure key aspects of DSpace 7's performance compared to previous versions.

The goal is to establish a feedback loop while DSpace 7 is under development, in order to identify areas worth investigation/improvement.

Areas of interest

For a variety of commonly-accessed pages in a pre-populated DSpace instance, the following will be measured:

• Server memory use
• Server CPU use
• Page load time
• Browser memory use

Where it makes sense, measurements will be taken while simulated load is put on the server.

Test Repository

The test repository has been generated with the following size and structure:

• 288 collections:
  • 4 top-level communities
  • 8 subcommunities in each top-level community
  • 9 collections in each subcommunity
• 69120 items with 705024 bitstreams:
  
  • 36864 "Tiny" items distributed evenly among 72 collections, each with 1 bitstream:
    
    • 1 single-byte bitstream in the OTHER bundle
  • 18432 "Small" items distributed evenly among 72 collections, each with 4 bitstreams:
    • 1 single-byte bitstream in the OTHER bundle
    • 1 single-page text PDF in the ORIGINAL bundle
    • 1 derived txt bitstream in the TEXT bundle
    • 1 derived jpg bitstream in the THUMBNAIL bundle
  • 9216 "Medium" items distributed evenly among 72 collections, each with 13 bitstreams:
    • 10 single-byte bitstreams in the OTHER bundle
    • 1 ten-page text PDF in the ORIGINAL bundle
    • 1 derived txt bitstream in the TEXT bundle
    • 1 derived jpg bitstream in the THUMBNAIL bundle
  • 4608 "Big" items distributed evenly among 72 collections, each with 103 bitstreams:
    • 100 single-byte bitstreams in the OTHER bundle
    • 1 ten-page text PDF in the ORIGINAL bundle
    • 1 derived txt bitstream in the TEXT bundle
    • 1 derived jpg bitstream in the THUMBNAIL bundle

A postgres database dump of this repository for DSpace 5, 6, and 7 can be downloaded here:

• https://drive.google.com/open?id=1MK3drQsa3KtZCObRtrKBXnE4oMo_C2Ub
• The administrative user is dspace@test, with password test.

Environment

(TBD)

Methodology

(TBD)

Test Results

(TBD - goal is to test periodically prior to final 7.0 release)