Am 14.04.2013 20:49, schrieb Kok: >> a reason i would love to define specific applications which should >> always get preloaded on boot independent what is collected at runtime >> what about starting the machine remove vis WOL and never login because >> some data sync and shutdown 2 hours later - will the desktop get lost >> from the readahead-collection - questions over questions... > > feel free to contribute code or algorithm's to improve, I'll be more > than welcome to take concrete contributions as I've been trying to > improve on readahead for several years now. There is certainly room > for improvement, but the devil is in the details
if i only could C/C++ additionally to PHP/SQL and had time to work that out by 3 fulltime-jobs for one man :-( playing around with "/usr/lib/systemd/systemd-readahead collect" it looks like it re-creates /.readahead from scratch, meaning you lose also anything covered from the boot-run what about a dbus-triggered instance like cups and other services are fired up after login which creates a /.readahead-usersession proceeded at boot the same way as /.readahead not saying i am able to implement anything, sorry, but i try to brain-storm ideas here >> seems like i covered a bug >> the collector stops after exactly 2 minutes > > src/readahead/readahead.c has: > > usec_t arg_timeout = 2*USEC_PER_MINUTE; > > so, it's by design to stop after 2 minutes. > > That's for a good reason, I'm not sure if changing it makes much sense > - most people will never want to use non-standard values, and 2 > minutes helps everyone (it could help some non-standard cases more, > but it doesn't hurt anyone) well, but that makes "systemd-readahead-done.timer" useless as also extend how long the collector should run
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