Yes, Paolo. I understand. A lot of problems can be avoided by proper
design and implementation of the workflow.
Thanks you and all for your valuable input!
Best
Hernán
On 2019-11-20 12:12, Paolo Cavallini wrote:
IMHO conflicts should never arise if the workflow is properly designed:
two users should never edit the same feature at the same time.
you can solve a lot of these issues with table partitioning.
cheers
Il 20/11/19 12:08, Hernán De Angelis ha scritto:
Hello Andreas
Thank you very much for your comment. These are definitely things I did
not think about.
Our people are in two separate buildings (in two separate regions!) but
our systems can handle this without problems.
The editing conflicts seem more serious to me. I guess these could be
minimized by encouraging users to save edits more often but, as you
write, a proper solution may require proper versioning. But then that
may likely push up the costs.
Good material for thought and a test.
Thank you again!
Hernán
On 2019-11-20 11:40, Andreas Neumann wrote:
Are those 15 people in the same office/same location or distributed?
If the latter, at how many places are they distributed?
In my experience, using Postgis sources over the internet (not in the
LAN) is way too slow. It will only upset your users. In such a
scenario you would have to set up replication.
Another aspect: avoid editing the same features simultaneously by
different users. Only the last save will stay. QGIS starts an edit
session and will only save at the end of the sesssion, when you
actually save the features. In such a scenario you should assign
certain geographic areas to different users (e.g. user A edits
features in municipality x, and user b in municipality y, but not x).
Otherwise you will have to deal with handling conflicts. That would
require more complicated table setups with versioning and conflict
detection.
Andreas
On 2019-11-20 11:32, Hernán De Angelis wrote:
I am evaluating setting up a server running PostgreSQL/PostGIS for use
as data sharing/collaborating environment for spatial data. The user
group may consist of up to 15 people, mostly using QGIS but one or two
may use other software (non OS). Data is almost exclusively of vector
type. The use is within a single organization.
I understand some people in this list have experience with this kind of
environment and would appreciate if any of you would share any useful
experience, challenges, thought or things to watch out for. I understand
basic management routines are critical (user management, user rights),
as well as a sound backup and update strategy. I also understand that
proper data management procedures have to be in place, like rules for
table creation and eventual deletion, attribute selection, etc. But what
else can go wrong with this kind of setup if not managed properly?
Thoughts and experiences welcome!
in our experience the solution is pretty straightforward. The only other
challenge I'd add is having good bandwidth, otherwise using PostGIS data
can be sluggish.
All the best.
Excellent point, Paolo! I had not thought about it. Thank you!
All the best
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