diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/todo/should_optimise_pagespecs.mdwn | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/doc/todo/should_optimise_pagespecs.mdwn b/doc/todo/should_optimise_pagespecs.mdwn index f3048f328..2dd1f7b9e 100644 --- a/doc/todo/should_optimise_pagespecs.mdwn +++ b/doc/todo/should_optimise_pagespecs.mdwn @@ -244,11 +244,13 @@ more complicated every time! > other things that overloaded the system. > b) Suggests to me we will probably want to force a rebuild on upgrade > when fixing this (via the mechanism in the postinst). -> -> BTW, the underlying bug here is really horribly simple: -> When refreshing, `loadindex` preserves the previous depends list, -> and `add_depends` adds stuff to it. So it doubles every time a page is -> re-rendered during refresh. --[[Joey]] +> +> I've investigated why the pagespecs keep growing: When page A changes, +> its old depends are cleared. Then +> page B that inlines A gets rebuilt, and its old depends are also cleared. +> But page B also inlines page C; which means C gets re-rendered. And this +> happens w/o its old depends being cleared, so C's depends are doubled. +> --[[Joey]] After the initial optimization: 14.27s to rebuild, 8.26/8.33/8.26 to refresh. Success! |