40
iPhone Synchronization
User’s Guide
46
Aging Policy and Memory Footprint
If the total space used by email, calendar, contacts, and tasks is
greater than 2MB AND the total count of emails is over 5,000, and
there are fewer than 100 free blocks in the client database, Good will
display an alert (“Making room for more emails”) and age off email
to free space and reduce the email count (assumes a new install or
reprovision with Client version 2.2.0 or higher, not an upgrade).
Note: For users upgrading to 2.3.3 or higher, not reinstalling, the new
50MB storage space will not be available. The previous aging rules
apply: If the total space used by email, calendar, contacts, and tasks is
greater than 1MB (2MB if high capacity is enabled), or the total count
of emails is over 1400 (2800 if high capacity is enabled), Good will age
off email to free space and reduce the email count. No pre-allocation
of memory space is involved; memory is allocated by the file system
when needed.
When freeing space, Good performs the following steps. (In these
steps, “Trim” means to first remove the attachment from an email,
and then to remove the body/content of the email, leaving only the
first 8K of body/content. “Purge” means to remove the email totally.
1.
Trim all emails in the Deleted Items folder more than 6 hours old.
2.
Purge all emails in the Deleted Items folder, retaining the most
recent 100.
3.
Trim all emails in the Sent Items folder more than 4 days old.
4.
Purge all emails in the Sent Items folder, retaining the most recent
100 or those less than 4 days old, whichever is greater.
5.
Trim the remaining emails older than 24 hours, oldest-to-newest,
irrespective of folder.
6.
Purge the remaining emails, oldest-to-newest, irrespective of
folder, retaining the 100 most recent emails in the Inbox and
Sent Items folders.
Aging out data in this way frees up approximately 20% of space.
