[kdepim-users] Offline Email

Michael Mol mikemol at gmail.com
Tue Jun 21 17:55:25 BST 2016

I will note that will take a *long* time to synchronize if you have a great 
deal of email to synchronize, and it may require you to tune the MySQL 
instance Akonadi uses for system performance to be reasonable.

For example, on my system, I have these configured...it required me to point 
akonadi at a different mysqld than the one it wanted to spawn so I could get 
the configuration in place, but it works. (It's also tuned for my system, which 
has 16GB of RAM. If you have less, you'll want innodb_buffer_pool_size much 

innodb_buffer_pool_size = 4096M                                                                                                                                                                                                                                                                                                                                           
innodb_buffer_pool_instances = 16                                                                                                                                                                                                                                                                                                                                         
innodb_flush_log_at_trx_commit = 2


I also have a couple sysctl values set:

vm.dirty_background_bytes = 131072
vm.dirty_bytes = 1048576

With those, I can heavy disk activity coming from MySQL during the initial 
sync process (ten years of email, in my case), with the rest of the system 
remaining somewhat usable. Once the initial sync is complete, system load dies 
down considerably. Though a full resync of a folder with hundreds of thousands 
of messages in it will still take quite a while, it won't make the rest of the 
computer unusable.

On Tuesday, June 21, 2016 06:47:00 PM Daniel Vrátil wrote:
> On Tuesday, June 21, 2016 9:39:29 AM CEST Mike Cleveland wrote:
> > Greetings,
> > 
> > 
> > 
> > I'm wondering if Kontact email can be used offline acceptably. As in
> > writing and responding to emails offline and then automatically sending
> > when online.
> Hi Mike,
> being able to work with your emails while not connected to internet is one
> of the core features of Kontact.
> When setting up you IMAP account you can check "Download all messages for
> offline use" and you will have all your emails cached locally. You can do
> anything you want to with them like if you were online and Kontact will
> automatically replay all the changes once you connect to internet again.
> Cheers,
> Daniel
> > I just heard about Open365 today and am getting started, sorry for the
> > newbie question.
> > 
> > 
> > 
> > Sincerely,
> > 
> > 
> > 
> > Mike
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