Proko2 is Good News Towards Kolab2

Jon Bendtsen jon at kollegiegaarden.dk
Fri Apr 9 10:06:10 CEST 2004


Den 9. apr 2004, kl. 9:22, skrev Ivaylo Toshev:

> На чт, 2004-04-08 в 23:51, Ilja записа:
>> Bo Thorsen wrote:
>>
>>> -----BEGIN PGP SIGNED MESSAGE-----
>>> Hash: SHA1
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>>> On Thursday 08 April 2004 09:52, Ilja Booij wrote:

[cut]

>> There are a few advantages to using a database backend.
>> * When having big amounts of email (>20GB), it comes in handy to be 
>> able
>> to search for a messages very quickly (this is especially helpful for 
>> IMAP)
>> * it's easy to do load balancing, replication etc, because these are
>> built-in features of the database.
>>
> And many others, like clustering. migration . Implementing ( and easy
> building ) of third party applications which to manipulate objects in
> database.
> For example: Consider you have 2 GB IMAP folders in your inbox. Now
> imagine that you start new client on new PC. I bet that pure SQL 
> queries
> to database will be far fast, that IMAP to index these objects.
> Second - Get rid of disconnected IMAP ( IMHO this is the only thing 
> that
> stop me to use kolab)

what? no way, people need to be able to see their email, calendar and 
other
data from a disconnected laptop.


>> I agree that a database backend introduces overhead, and this will
>> certainly hit you if you have a small site. If you have a larger site,
>> with thousands of users, using a database can be very helpful.
>>
> I think that depending on site, there can be different DB backent
> options: sql-lite, MySQL,.... Oracle , DB2 ....

... flat Maildir files exported through imap



JonB




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