From mboxrd@z Thu Jan  1 00:00:00 1970
From: =?ISO-8859-1?Q?Pere_Quintana_Segu=ED?= <pere@quintanasegui.com>
Subject: Tasks with lots of logbook entries are very slow
Date: Tue, 25 Mar 2014 16:00:01 +0100
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I log most of my work with org-mode. Some of my tasks are repetitive,
this is, I do them weekly or daily (i.e. empty mail inbox). After many
years, the logs are very long. As a consequence, marking these tasks as
done is *very* slow.

Is there a workaround that does not involver deleting the logs?

Example:

**** PNDT Processar la bústia d'entrada
SCHEDULED: <2014-03-25 dt ++1d>
:LOGBOOK:
CLOCK: [2014-03-25 dt 15:31]
- State "DONE"       from "PNDT"       [2014-03-25 dt 15:20]
CLOCK: [2014-03-24 dl 13:21]--[2014-03-24 dl 13:36] =>  0:15
- State "DONE"       from "PNDT"       [2014-03-21 dv 16:18]
CLOCK: [2014-03-21 dv 15:42]--[2014-03-21 dv 16:18] =>  0:36
- State "DONE"       from "PNDT"       [2014-03-20 dj 16:25]

(very long list with log entries since 2009).
:END:

I use org-mode 7.8.11 with Emacs 23.4.1.

Thanks,
--
Pere Quintana
http://pere.quintanasegui.com