2020-05-04 kdb+ Project Meeting Minutes

Meeting minutes status: Approved (at 2020-06-01 meeting)

Table of Contents

Date/Time

  • May 4th, 2020. 10am ET

Attendees

NameOrganisationGithub ID 
Aaron DaviesMorgan Stanleyadavies42
Alvin ShihMorgan Stanleyalvin-c-shih
Peter GyorokMorgan Stanleygyorokpeter
Gary DaviesAquaQ Analyticsdrgdavies
Jonny PressAquaQ Analyticsjonnypress




Agenda

TimeItemWhoNotes from the Meeting
5 minConvene & roll call.

All


5 minReview and approve minutes from last meeting.All
  • Reminded to add "3.6 2018.08.24 release of q supports passing a dictionary."
10 min.finos.conn Connection Manager now available on GitHub:

Please give it a try and provide feedback.

All
  • kdb plants that use service discovery like Zookeeper might find .finos.conn a natural fit.
5 min

.finos.query.ungroup[...] now available on GitHub.

Can probably be made more efficient.  Feel free to submit pull requests.

All
  • No discussion required.
5 min

Any further discussion on awq?

All
  • Participant who showed interest on last call not dialed in.
    • Revisit later.
10 min

Any success stories of kdb+ with Grafana?

See how to popularize integration with kdb+.

All
10 min

kdb+ 4.0 wrapper functions?

All
  • In kdb+ 4.0 -s specifies maximum threads for the session.
    • Not enough experience yet to determine what kinds of wrappers are necessary (if any).
  • Will revisit Optane once it's more widespread.
5 min

Signatures for renaming keys / cols?  One idea:

  • .finos.query.renameKeys[inputDict;mappingDict]
  • .finos.query.renameCols[inputTab;mappingDict]
All
  • APL convention puts the modifier parameter on the left.  Therefore, the signatures should be:
    • .finos.query.renameKeys[mappingDict;inputDict]
    • .finos.query.renameCols[mappingDict;inputTab]
5 minAOBAll

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