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Opened 2 years ago

Last modified 18 months ago

#14730 new enhancement

Display a notice to the user if functionality (imagery layer display) is reduced in case of low memory allocation

Reported by: aseerel4c26 Owned by: team
Priority: trivial Milestone:
Component: Core imagery Version: latest
Keywords: memory Usability notification layer Cc: michael2402, wiktorn

Description

Currently (see ticket #14593) JOSM silently just stops displaying more than the "memory-fitting" amount of background layers in case too few memory was allocated to JOSM (or rather the Java VM).

Would be nice if JOSM would tell the user (with a hint how to fix) that there is too few memory to perform an expected action. I mean, there even is a info bar that aerial imagery should be aligned before using it for tracing... :-)

michael2402 wrote over there:

Yes, the layer is hidden to avoid a out-of-memory situation that would lead to a JOSM crash (corrupt data, ...). Displaying a warning about this the user worked some time ago. I'll have a look into it.
Currently, we just use a hard limit for all imagery layers (like size of total heap - size of expected JOSM memory usage). Accounting is just a very rough estimate, so we may be off by a lot. This is not optimal.

Thank you!

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Change History (2)

comment:1 Changed 2 years ago by michael2402

Component: CoreCore imagery

comment:2 Changed 18 months ago by Don-vip

Keywords: layer added; GUI background_layers removed
Summary: Display a notice to the user if functionality (background layer display) is reduced in case of low memory allocationDisplay a notice to the user if functionality (imagery layer display) is reduced in case of low memory allocation

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