[Bug 289338] Re: Extreme memory usage by kio_thumbnail

[Peri Hankey]

In Kubuntu 9.10:

Something similar applies to PDF documents. If you have a directory
containing several large PDF documents, and you have preview enabled,
konqueror (or dolphin) effectively freezes. Even if you turn preview
off, there seems to be no way of disabling a preview component for the
right-click properties dialog for PDF files. The same applies with
tootips - you get a pdf preview, and that can take a long time. So you
have to run without preview and without tooltips, and even then you must
take care not to attempt to read the properties of any large PDF.

This is an absurd state of affairs. Except for large single image PDF
files, the preview image should be the first page, which is unlikely to
be very large. It should be possible to get the first page without
reading the whole document, which is what seems  to be happening.

For certain kinds of usage, where you habitually deal with large PDF
documents from other sources, this kind of thing is a road block for
karmic + KDE4.

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Extreme memory usage by kio_thumbnail 
https://bugs.launchpad.net/bugs/289338
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