[SOLVED]Long delay opening files if multiple selection in file chooser

neok wrote:
Hi,
When I try to open several files in an application, (example: Gimp), by multiple selection in the 'open' filechooser, there is a long delay (about 1 sec per file) before the Gimp starts opening image files. During this delay, the disk access LED flashes continuously and iotop indicates that its jbd2 accessing (writing) on the / partition on my SSD drive. This is despite the fact that the image files are on an external USB hard disk and the Gimp would have no reason to write anything on the / partition. Even if it did, the image files are small (50-100 kb) and such a long delay would be out of place.
The significant thing is that the delay occurs _before_ the Gimp starts opening files. It seems the delay is in the filechooser making a list of the files to be opened. Once the Gimp starts opening files, it finishes quickly.
This sort of thing happens with other apps that can open several files by multiple selection in a filechooser.
Any hints please? I am lost here :-(
The delay is caused by (apparently) GTK which writes to the ~/.local/share/recently-used.xbel file, to record all the files that are opened in the multiple selction. Even so, this writing seems too slow, even when opening a large number of files (the ones that I open by multiple selection, by an app that I am working on, are about 10k each, so opening a few hundred should not take the delay I see, about 30 sec).
Anyhow, I patched the problem eventually by chattr +i ~/.local/share/recently-used.xbel to stop the writing. But I would prefer to disable the use of this file by configurtion rather than brute force, if there is such a choice.
Last edited by neok (2012-03-13 04:55:31)

neok wrote:
Hi,
When I try to open several files in an application, (example: Gimp), by multiple selection in the 'open' filechooser, there is a long delay (about 1 sec per file) before the Gimp starts opening image files. During this delay, the disk access LED flashes continuously and iotop indicates that its jbd2 accessing (writing) on the / partition on my SSD drive. This is despite the fact that the image files are on an external USB hard disk and the Gimp would have no reason to write anything on the / partition. Even if it did, the image files are small (50-100 kb) and such a long delay would be out of place.
The significant thing is that the delay occurs _before_ the Gimp starts opening files. It seems the delay is in the filechooser making a list of the files to be opened. Once the Gimp starts opening files, it finishes quickly.
This sort of thing happens with other apps that can open several files by multiple selection in a filechooser.
Any hints please? I am lost here :-(
I re-installed and reconfigured Arch so that I now have a fresh, uptodate system. In the process, I found that this problem occurs when I run the Gimp as a normal user. If I run it under sudo, all is well. I am strggling to find out why, but no results so far (have checked file permissions where I thought there may be a problem, but no joy).
Any hints much appreciated.

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