Ok.
In my case I just want to read the shapefiles. I don't need to edit the
shapes.
Thank you for the response.
Best Regards,
André Matos
2012/4/28 Joachim Van der Auwera <[email protected]>
> As far as I understand, GeoTools' support for shapefiles is singel thread
> only. So if you are writing data into your shapefile, you may experience
> problems.
>
> On 28-04-12 15:07, André Matos wrote:
>
> Hello everyone,
>
> I am new to geotools.
> I came here from geoserver, because I need to made a custom store that
> calls a web service and reads a shapefile to draw the shapes. This custom
> store will be installed in geoserver.
>
>
> While reading the geoserver documentation, I found the following note:
>
> "
>
> Note
>
>
> While GeoServer has robust support for the shapefile format, it is not the
> recommended format of choice in a production environment. Databases such as
> PostGIS are more suitable in production and offer better performance and
> scalability. See the section on *Running in a Production
> Environment*<http://docs.geoserver.org/latest/en/user/production/index.html#production>
> for
> more information.
> " (http://docs.geoserver.org/latest/en/user/data/shapefile.html)
>
> At a first glance this note seems to make sense to me. PostGIS will be
> faster than reading a shapefile.... But, in my case must support custom
> shapefiles, e.g. a user can upload a shapefile and then see the a map image
> with the uploaded shapefile.
>
> So, I made some tests. I created 2 layers with the *same data*:
> - The first layer will load data from PostGIS (with indexes created at
> geographic column)
> - The second layer will load data from the shapefile.
>
>
> The test conditions are the same for this two test cases. It's all on
> the same computer (PostGIS database, Geoserver and the shapefile).
>
> The result was unexpected. The second layer, reading a shapefile
> directly was faster than reading data from PostGIS database, I read the
> link "Running in a Production Environment" and found no explanation for
> this...
>
> Does anyone know why they discourage the use of shapefiles in a
> production environment?
>
> In my case, I just want to read the shapefile. I don't want to edit
> it...
> Are they assuming that shapefile is not a good approach in a production
> environment because you may want to edit the shapes? And with PostGIS you
> have the ACID properties?
>
> Thank you!
>
> Best regards,
> André Matos
>
>
> PS: This question is about a geoserver documentation note. But, as they
> are using geotools and it is related to geotools stores, I decided to ask
> you first. If it is not geotools issue, just ignore it.
>
>
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