Re: [Dovecot] Outlook (2010) -> Dovecot (IMAP) >10x slower with high network load and many folders

2012-04-09 Thread Stuart Henderson
On 2012-04-06, Thomas von Eyben wrote: > I am seeing a >10x as slow performance when trying to complete a > "send/receive" from an Outlook 2010 client to Dovecot via IMAP, but > only when the LAN is fully loaded with other traffic, EG file copying. > It seems the problem is when outlook is trying

Re: [Dovecot] Outlook (2010) -> Dovecot (IMAP) >10x slower with high network load and many folders

2012-04-07 Thread Thomas von Eyben
On Sat, Apr 7, 2012 at 3:16 AM, Willie Gillespie wrote: > On 4/6/2012 3:52 AM, Thomas von Eyben wrote: >> >> Test results: >> CLIENT-1 is having the problems when CLIENT-2 is using all the >> (100Mbps) bandwidth eg. copying files to MAIL-SRV. >> If I move CLIENT-1 to CLIENT-3 then almost all the d

Re: [Dovecot] Outlook (2010) -> Dovecot (IMAP) >10x slower with high network load and many folders

2012-04-06 Thread Willie Gillespie
On 4/6/2012 3:52 AM, Thomas von Eyben wrote: Test results: CLIENT-1 is having the problems when CLIENT-2 is using all the (100Mbps) bandwidth eg. copying files to MAIL-SRV. If I move CLIENT-1 to CLIENT-3 then almost all the delay is gone. NB.: I have not (yet) tested if the problem also exists wh

Re: [Dovecot] Outlook (2010) -> Dovecot (IMAP) >10x slower with high network load and many folders

2012-04-06 Thread Adrian Minta
It seems that you have packets lost in the network. MAC and Windows have different network stacks so this may count for the different behavior. -- Best regards, Adrian Minta

[Dovecot] Outlook (2010) -> Dovecot (IMAP) >10x slower with high network load and many folders

2012-04-06 Thread Thomas von Eyben
Hi, I am seeing a >10x as slow performance when trying to complete a "send/receive" from an Outlook 2010 client to Dovecot via IMAP, but only when the LAN is fully loaded with other traffic, EG file copying. It seems the problem is when outlook is trying to identify folders that have changed since