https://bugs.kde.org/show_bug.cgi?id=398612
Bug ID: 398612
Summary: freefilesystem polling rate too high for !file URI?
Product: dolphin
Version: unspecified
Platform: Other
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: general
Assignee: dolphin-bugs-n...@kde.org
Reporter: sit...@kde.org
CC: elvis.angelac...@kde.org
Target Milestone: ---
I've been working on the sftp kio slave a bit and noticed that dolphin
apparently polls free space info about every 10 seconds, which seems super
expensive. Also, as each poll basically results in talk on the network device
dolphin may ultimately cause the network device to come out of sleep and
because ssh is somewhat expensive the CPU to go into a more active state.
All to update information that changes not nearly often enough.
Ideally:
- polling should maybe be reduced to 60 seconds?
- refresh would always poll (i.e. bypass the poll timer)
- maybe even increase the poll time more if the watched URI is not a file://,
i.e. for all probably non-local URIs only poll ever 5 minutes?
- polling should possibly not occur at all if the window/tab is not actually
visible to the user at all (currently the sftp slave is getting woken up
regardless of the user being able to see the poll results)
- addditionally we could perhaps figure out what kind of mount a file://FOO is
actually on and only do regular polling if it is a well known local file system
type (i.e. polling of an nfs or sshfs mount should still be using a lower rate
really). seems a bit much work for little gain though.
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