General Guideline

(This is based on version 1.0.0. Detailed information can be changed in later release.)

  • How many articles can RssBook store?

It depend on device and feed type.

In case of iphone 4 device, up to 100,000 articles, comportable use. If exceed over 200,000, occasional down can be occur while syncing due to low memory.(but it can be improved in future release).

The important factor is memory capacity. 4S device will be same as iPhone4, 3GS device will be less than a half of iPhone4.

Storing many article cause some delay in loading at startup time. But after finish loading, article browsing will be fast enough.

  • How many articles do i have in my google reader?

In fact, you might not know before using RssBook. Google reader only show max 1000 recent unread count per feed.

  • How long does it take to sync first?

It can varies by device and feed content.
In my experience of iphone 4 device, approximately 10,000~15,000 new articles per a hour(based on 1.0 version). So it will take about 10 hours for 100,000 articles for first sync, and takes about 6 minutes for daily sync of 1000 new articles.

  • How to speed up sync?

RssBook is synced feed by feed. So the number of feeds and sync setting are important. First, organize your feed subscription in google reader. Second, take time on sync setting per feed in RssBook. Third, sync more often.

  • How many subscriptions?

It varies case by case but we recommend about 20~50 and not exceed 100. Do not subscribe unnecessary feed.

  • Advice to feed sync setting

Categorize feed. For example,

  1. personal blog: long retention
  2. professional blog worth reading old or archieving: long retention
  3. news feed with short description: short retention
  4. gossip blog not worth archieving: very short retention.

Long/short retention count may changes by device. In iPhone4 device, short is 1000~2000, long is 5000~10000. For iPhone3, short 1000, long 2000~3000.

Reduce ‘Sync past articles’ setting value will be helpful to daily sync. This setting is intended for syncing article that modified outside RssBook. But after google reader deprecate ‘social feature’, ‘syncing past article’ become not so important.

  • More often sync

More often you sync, shorter time it takes. We recommend several synces once a day. Enabling auto sync is strongly recommended.

Default network setting of Auto sync is Wi-Fi connected. After finish first sync, you’d better change it to 3G/Wi-Fi(any network).

  • Changing article retention

Once first sync end, even if you increase article retention, it does not increase article syncing count. It only affect purging count.(purging will occur after articles reach that count.)

If you want to get more article after first sync end, go to sync setting per feed, set ‘Use Account Setting’ to no, adjust article retention count as you want, and finally change ‘Resync all article’ option at bottom. This option is only available at sync setting per feed, not account sync setting.(There’s a shortcut to feed sync setting at feed folder’s more action when title tapped).

  • Adding new feed or unsubscribing a feed can take a lot of time.

If you subscribe a feed, first sync for that feed will occur at next sync.
If you unsubscribe a feed, purging all article of that feed will take place.

RssBook indexes a article elaborately for grouping and filtering, which require a lot of database space. So purging a article is never a trivial job, it take a half of the time that need for syncing.

We recommend that subscribing, unsubscribing and organizing several feeds all at once. After modifing feeds subscription, let it sync all night long.

  • Images and thumbnail

Thumbnail is always searched and generated as long as article has at least one valid image. Thumbnailing need some internal works and occupies the majority of image syncing time.Images are for two indention. One is for fast and offline loading from local disk. The other is image gallery of that blog. Image viewer functionality is located in title tap menu.But note that ad images are not saved and always shown from ad server for blog owner’s rights.

  • Disk space

More articles, more space. On average, 100,000 articles require about 1GB disk space. But it can change dramatically depending on article content and image saving option.

You can check space usage at account info in setting menu. Watching the value occasionally, you can estimate proper space requirement for your subscription.

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2 thoughts on “General Guideline

    1. If long press on a cell in article list, then ‘mark all article as read older than this’ button will appear. It works on any folder(feed/label/grouping/filtering). BTW, artcles are not re-sync if they are out syncing range. Syncing Range is from now to (last successful sync date + ‘Sync past article option value)’. Sync past article option is in sync setting and default value is 1 day.

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