[OSM-talk] Serious JOSM performance degradation

[Jo]

Did you start using PT_Assistant? Or a MapCSS style dedicated to PT?

Polyglot

2017-11-11 22:10 GMT+01:00 john whelan <jwhelan0112 at gmail.com>:

> If you give it more memory sometimes that compensates on the CPU side by
> not requiring so much disk reading and writing.  Also there are almost
> certainly internal tables which work better in memory.  JAVA is a strange
> world of its own and with so many contributors and plugins I'm not sure
> anyone has a clear idea of exactly how JOSM works with in it.
>
> Not guaranteed but worth a try.
>
> Cheerio John
>
> On 11 November 2017 at 16:03, Safwat Halaby <swiftfast at gmx.com> wrote:
>
>> More details:
>>
>> JOSM 12712 has no issues.
>> Latest JOSM 13053 has issues.
>> Not sure how to download the intermediate version (12921).
>> It's a CPU starvation issue and not a memory overuse issue. (Core at
>> 100% for 10-30 seconds).
>>
>> Test case:
>>
>> Open up the attached file, try editing the ref or name of a stop.
>>
>> 12712 works flawlessly.
>> 13053 hangs for 10-30 seconds.
>
>
>
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