[OSM-talk] Serious JOSM performance degradation

[john whelan]

>17MiB

Interesting file size.  What is a MiB?

If you are working with large file sizes and using the results elsewhere
you should be using ECC memory.  Anything else and you stand a chance of
corruption.

How much memory does your laptop have?

Thanks John

On 11 Nov 2017 4:48 pm, "Safwat Halaby" <swiftfast at gmx.com> wrote:

> That's interestingly low. I'm talking about a 17MiB file here, and it
> was never slugish before this bug. My laptop is an average thinkpad...
>
> On Sat, 2017-11-11 at 15:52 -0500, john whelan wrote:
> > java -Xmx8210000000 -jar G:\josm\josm-tested.jar
> >
> > in a .bat file seems to be happy with 2Mb files.  It can be sluggish
> > though
> > so I try to keep it below 250kb for best performance.
> >
> > Cheerio John
> >
> > On 11 November 2017 at 15:43, Safwat Halaby <swiftfast at gmx.com>
> > wrote:
> >
> > > I deal with a huge dataset (about 30k bus stops nodes) almost
> > > daily.
> > > This was never a problem before, but since recently (I cannot
> > > pinpoint
> > > the exact version), JOSM often hangs when I edit the bus stop tags.
> > > Waiting for a few seconds (can be up to ~30) always resolves this.
> > >
> > > I suspect it has to do with JOSM's autocomplete, because it seems
> > > to
> > > happen when editing massively used keys. For instance, all stops
> > > have a
> > > "ref" key, and when I click "edit" on a single stop's "ref", JOSM
> > > stalls. A similar issue occurs when adding "description" to
> > > changeset
> > > uploads. Description is also used by all stops.
> > >
> > > Any tips or pointers?
> > >
> > > _______________________________________________
> > > talk mailing list
> > > talk at openstreetmap.org
> > > https://lists.openstreetmap.org/listinfo/talk
> > >
>
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