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Old 08-01-2012, 08:12 PM   #1
jlg432
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Device: jetBook, ALP, Pandigital 7"Color(Black+ White), Kyros MID7015a
K-T Newbie - avoid this pitfall

My wife bought me a KOBO-Touch(K-T) a week ago. I was very impressed with the new FW 2.0 update. We already had an account with KoboBooks as I had purchased her a K-T Christmas of 2010. The new FW was a big improvement to the original FW that we experienced back in 2010.

BUT, I then proceeded to load up my Library of e-books that I have for my various reading devices. My Library (over 2500 e-books/Docs) consists of a Folder Tree that may have as many as 4 levels of folders.( eg: /SD-Main Library/Authors/author name/their e-books as well as other folders under the /SD-Main Library such as /Manuals/sub folders/sub folder etc.).

This system made it easy for me to maintain/organize my "Library" on my PC and replicate it over multple devices.

When I applied this format to an 8 Gig Micro SDHC card and inserted it into the K-T I started running into problems. The response time became very sluggish during certain actions such as taking 2 minutes to go to the Home menu after pressing "Home" from within a book. When in Library mode I could open an e-book and return to the "Library" in a reasonable amount of time but if I pressed "Home" instead it would take approx. 2 minutes to return to the Home menu.

If I removed my external sdhc card the response was better but returned on re-inserting the sdhc card. Response just got worst over time.

I am not new to e-readers and the various apps for PC/Android.
All my devices have vendor supplied updates (no hacks).

So I reset the device back to factory - re-applied the new FW update on initialization - sync'ed to our web account but stilled had the same problem after inserting the card.

So I swapped my e-books over from the 8 gig (Class 4) card to a 16g Class 10 card I had for my camera. I figured that using a high speed Micro-SDHC card should give me the best response. The sluggishness did not go away.

Then I remember about an issue with one of my e-readers that involved too many nested folders. I adjusted my Library of e-books to one folder for each grouping or category and placed these in the root of a 8 gig Class 4 Micro SDHC and my problem was resolved.

Now I have my 2500+ e-books/docs on my reader and my response time is fantastic ( within 2-4 seconds depending on the action - page turns are instant). I know that it would probably be better with the Class 10 card but that has gone back into my Digi-camera.

Moral of the story - avoid too many nested folders or as others would say - KISS "Keep It Simple Stupid"

Looking forward to further FW update improvments.

Hope this helps other avoid this pitfall.

John

Update: Aug 2, 11:00 est.

Well, I may have spoken too soon. My K-T is back to approx 1 min to complete the "Home" action from whatever screen I am in.

It responds well to opening a book. Movement through the various menu's is actioned in a reasonable response time (1-3 seconds).

Page turning appears to have become sluggish (sometimes not detecting several touches in a row) but not unbearable.

I will run without my card for a day and see if having the extra inventory of books out of the picture improves the performance issues mentioned above.

John

Last edited by jlg432; 08-02-2012 at 11:24 AM.
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Old 08-03-2012, 05:01 PM   #2
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I'm thinking that it might just be how many books you have. I have about half of what you do on a wifi model, and I think it just takes a while to load the correct database.
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Old 11-16-2012, 01:06 AM   #3
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Firmware 2.1.5 for the K-T has resolved the issue. I now experience 3-5 seconds delay when exiting an open book and returning to the HOME page.
Kobo must of had an database management issue when dealing with large volumes of books.

I assume the issue was the same with the K-G but not as obvious. Now that both are at the same fw level the db mapping in both is more efficeint.
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