DM Highlights 2016-04-13 to 2016-04-19

[timj (Tim Jenness)]

Accomplishments

• A basic spatial lookup system has been added to the Butler. (DM-3472)
• A preliminary comparison of the AST and GWCS libraries has been completed. (DM-5703)(DM-5701)
• The DB team are attending the Percona Live Data Performance Conference.

Documentation

• DMTN-006: False Positive Rates in the LSST Image Differencing Pipeline

RFC Activity

• RFC-170: PROPOSED Add a 3rd Party package for Erin Sheldon’s ngmix GitHub repository.
• RFC-169: ADOPTED Implement HSC-like stack provenance.
• RFC-153: WITHDRAWN Add SuiteSparse external package (has LAPACK/BLAS dependency).
• RFC-130: FLAGGED Cost updates to Site Specific Infrastructure Estimation (LDM-144) and Explanation (LDM-143).

Other Items

• A subset of SuiteSparse, jointcal_cholmod, required by the upcoming simultaneous astrometry package has been added to the build system. (DM-5414)
• The newinstall.sh logic for locating Python for bootstrapping has been simplified. The Python in the path will now be used by default. (DM-5636)