#3951 NORM Never A: 200 entries on the Journal, make interacting with it quite slow

[Zarro Boogs per Child]

#3951: 200 entries on the Journal, make interacting with it quite slow
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 Reporter:  HoboPrimate       |       Owner:  tomeu         
     Type:  defect            |      Status:  new           
 Priority:  normal            |   Milestone:  Never Assigned
Component:  journal-activity  |     Version:                
 Keywords:                    |    Verified:  0             
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 Build: 608
 Firmware:Q2C27

 It's been over a week since I last did a full erase and install on a B4
 XO. During that time, I've been cleaning the Journal of unwanted entries,
 but not fully so as to replicate a kids possible behaviour (i.e., only
 when I was in the Journal list view, and saw something unwanted, I would
 delete it).
 I've amassed about 200 entries, probably by trimming I would have 50, but
 since this will be a possible use-case, to have 200 and more wanted
 objects, i'm filing this ticket.

 The problem is that currently the Journal behaves slowly in the following
 circunstances:

  1. The first time opening the Journal, the list of entries takes a while
 to appear, 30 seconds more or less.
  2. The first time I resuming an activity by clicking directly on its
 resume button on the Journal entry view, or detailed view, seems to do
 nothing for a  while. After some 30 seconds, the view finally switches to
 the Home view showing the activity being launched. Until I understood
 this, I would click a few more times, increasing the time till something
 showed as happening. Subsequent resumes imediatelly switch to the Home
 view, and show the activity starting.
  3. Switching from a detailed view back to the list allways takes about 10
 seconds (taking longer if it's the first time after a boot).

 I'm attaching the Journal and datastore log.
 I'm sorry for the non-precise time measurements. I will do them, and add
 them to this ticket.

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Ticket URL: <https://dev.laptop.org/ticket/3951>
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