GeoTools / GeoServer Meeting 2015-10-20
=======================================

Attending
---------

Ben Caradoc-Davies
Andrea Aime
Jukka Rahkonen
Kevin Smith
Torben Barsballe
Frank Gasdorf
Jody Garnett

Agenda
------

- Daylight Saving Time
- Build infrastructure
- Scalability work on JDBCConfig
- CITE NG work
- 13.3/2.7.3 released
- MemoryDataStore thread safety (& backport to 14.x for uDig)
- Jira
- JAI replacement

Actions
-------

- Victoria Office: move master to reference artifactory directly

Actions from last meeting
-------------------------

- Jody: geotools 14.0 blog post [DONE]
- Ben: next meeting invite has a time change
- Ben: GML client library blog post [DEFERRED (not yet working)]
- Andrea: Send Java 7 switch master email (yay!)
- Kevin: proposal for geotools Java 8 functional interfaces [DEFERRED,
haven't had time]
- Jody: run fossdem vs victoria numbers, default assumption is victoria

Daylight Saving Time
--------------------

New meeting time 20:30 UTC from 3 November (next meeting):
http://www.timeanddate.com/worldclock/fixedtime.html?msg=GeoTools+%2F+GeoServer+Meeting&year=2015&month=11&day=3&hour=20&min=30&sec=0&ah=1

Depending on your location and daylight saving, this may be the same local
time or one hour later.

Build infrastructure
--------------------

GeoScript project tests, not conclusive right now.
Referencing directly artifacty may help? We'll try to do it (Victoria
Office)

OSGeo - releases
Boundless - snapshot

Frank created a pull request because of this - change the pom.xml snapshot
repository. We should try sending it to "main"...

Please see pull request https://github.com/geotools/geotools/pull/1006

Ares access?
- After move from ares to new machine we should be able to set up PSC

Scalability work on JDBCConfig / GWC
------------------------------------

Catalog full table scan? Some REST Config method ... do we have a bug
report? See mailing list "a large GeoServer deployment with about 40,000
layers"
http://article.gmane.org/gmane.comp.gis.geoserver.user/47007
http://article.gmane.org/gmane.comp.gis.geoserver.user/47009

- Gabriel added examples of scalable code...
- geosolutions - updated core
- gwc is currently biggest offender, so aaime is going to look at this

CITE NG work
------------

Need to get the tests on Ares, see "build infrastructure" discussion, lower
priority than restoring the build.

Request outstanding since July - sigh.

Jody: Set up new jobs? Will work in conjunction with boundless staff.

13.3/2.7.3 released
-------------------

It's out, try it out.

Aside: GeoTools 14.0 announced ... in the past :)

MemoryDataStore thread safety
-----------------------------

Heavily used in uDig as a temporary layer, getting
ConcurrentModificationException. Pull request to avoid the CME
 see https://github.com/geotools/geotools/pull/1002

Another pull request to add "removeSchema".
 see https://github.com/geotools/geotools/pull/1003

Backport pull requests are coming from Frank, once 1002 & 1003 are accepted.

Jira
----

- Short discussion on MacOS X failures
- Jira not for support requests
- Detailed build failure reports welcome on Jira
- Mailing lists also suitable if unsure where it is just your failure
- Andrea added Jira guidance to project home page on GeoServer
- Guidelines have reduced inappropriate use
- Will leave GeoTools as it is for now as less problems

JAI replacement
---------------

- There was a discussion about the replacement of JAI
- OpenCV suggested
- JAI design does not work well with GPUs
- CUDA version of some JAI operators was faster than JAI
- Pure Java was faster
- Native call performace overhead, synchronisation problems
- Compare with pure Java PNG encoder, which was faster than native
- Interpolation breaks tile-based optimisations for GPUs as need
neighbouring tiles

Pull requests
-------------

- Went though pull requests
- Merged some PRs
- Discussion
- Legend graphic work has finally been merged. Thanks to everyone involved
for their patience during this epic.

Regards

-- 
==
GeoServer Professional Services from the experts! Visit
http://goo.gl/it488V for more information.
==

Ing. Andrea Aime
@geowolf
Technical Lead

GeoSolutions S.A.S.
Via Poggio alle Viti 1187
55054  Massarosa (LU)
Italy
phone: +39 0584 962313
fax: +39 0584 1660272
mob: +39  339 8844549

http://www.geo-solutions.it
http://twitter.com/geosolutions_it

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