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diff --git a/doc/bugs/Too_much_system_load_on_startup.mdwn b/doc/bugs/Too_much_system_load_on_startup.mdwn new file mode 100644 index 000000000..fc514ca73 --- /dev/null +++ b/doc/bugs/Too_much_system_load_on_startup.mdwn @@ -0,0 +1,24 @@ +### Please describe the problem. +When I log in, if git annex is monitoring a large repo, my desktop is very sluggish getting started. Git-annex causes moderate CPU load, but keeps the disk IO very busy -delaying the opening of desktop applications. + +### What steps will reproduce the problem? +On Linux, with git-annex set to autostart and monitoring a folder with more than a few hundred files (I have a pdf library of a few thousand journal articles). + +### What version of git-annex are you using? On what operating system? +4.20131002 Ubuntu, from Hess's PPA. + +### Please provide any additional information below. + +I solved this problem by changing the call to git-annex in /etc/xdg/autostart/git-annex.desktop from: + +Exec=/usr/bin/git-annex assistant --autostart + +to + +Exec=sleep 5 ionice -c 3 /usr/bin/git-annex assistant --autostart + +This delays the start of git-annex for 5 seconds, letting the desktop get started, and forces git-annex to yield IO to other programs -preventing it from slowing them down by forcing them to wait for disk access. Since this is a background daemon with potentially high IO usage, but no need for quick responsiveness, perhaps that would make a decent default? + +> Added 5 second delay to existing ionice. Provisionally [[done]], +> although it does occur to me that the startup scan could add some delays +> in between actions to run more as a batch job. --[[Joey]] |