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...and read in 100000 values at a time - but skip doesn't work, probably because I don't have line breaks in the txt file. So any value specified for skip makes the scan function jump to the end of the file. Does anyone have a good idea? I would be extremely grateful. Kind regards, Susanne Balzer **************************** Susanne Balzer PhD Student Institute of Marine Research N-5073 Bergen, Norway Phone: +47 55 23 69 45 susanne.balzer at imr.no www.imr.no

...o find any R package that provides this functionality. Could there be a way to "manipulate" the EM algorithms from the mixdist or mixtools package to fit the model, or do you have any other suggestions? If anyone could help me out, I would be extremely grateful. Kind regards, Susanne Balzer **************************** Susanne Balzer PhD Student Institute of Marine Research N-5073 Bergen, Norway Phone: +47 55 23 69 45 susanne.balzer at imr.no www.imr.no

...ovecot would have such a feature as well. I doubt the same is (easily) applicable for IMAP (though would be trivial once maildirsize is supported). Another thing would be PIPELINING for POP3, but I doubt it's all that helpful in this day and age of bountiful broadband. Regards, Christian Balzer -- Christian Balzer Network/Systems Engineer NOC chibi at gol.com Global OnLine Japan/Fusion Network Services http://www.gol.com/

...y mails deleted during that session? The rationale is that with this info at hand the (unfortunately) very common user whining along the lines of "the mail server ate my mails" or "I never saw this mail!" are much easier to refute. Regards and keep up the good work, Christian Balzer -- Christian Balzer Network/Systems Engineer NOC chibi at gol.com Global OnLine Japan/Fusion Network Services http://www.gol.com/

...INBOX/.imap.index --- These are people with slow connections and at least one large mail in the box, with their client aborting w/o terminating the session properly. I presume the timeout for this is hardcoded, as all the config parameters for timeouts are mbox related, rite? Regards, Christian Balzer -- Christian Balzer Network/Systems Engineer NOC chibi at gol.com Global OnLine Japan/Fusion Network Services http://www.gol.com/

Hello, On Thu, 6 Apr 2017 20:04:38 +0900 Christian Balzer wrote: > Hello Aki, Timo, > > according to git this fix should be in 2.2.27, which I'm running, so I > guess this isn't it or something else is missing. > See: > https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=859700 > Any update on this? Christian > Regards,...

...23:10.44 dovecot-auth 31233 root 15 0 179m 175m 5560 S 0.3 8.6 22:13.07 dovecot-auth --- So, I guess my questions to Timo are: Think it's leaky and any idea where? Given the load, would a single auth process be a bad idea? (it is a quite fast dual opteron box) Regards, Christian Balzer -- Christian Balzer Network/Systems Engineer NOC chibi at gol.com Global OnLine Japan/Fusion Network Services http://www.gol.com/

Hello, any plans to support this in the future? Seems the inability to use LAST breaks that Yahoo remote mailbox slurper thing, not that I care too much about that, but some mail clients might miss it as well. ;) Regards, Christian Balzer -- Christian Balzer Network/Systems Engineer NOC chibi at gol.com Global OnLine Japan/Fusion Network Services http://www.gol.com/

Hello, On Thu, 6 Apr 2017 09:24:23 +0300 Aki Tuomi wrote: > On 06.04.2017 07:02, Christian Balzer wrote: > > > > Hello, > > > > this is on Debian Jessie box, dovecot 2.2.27 from backports, > > imap-hibernate obviously enabled. > > > > I've been seeing a few of these since starting this cluster (see previous > > mail), they all follow the same...

...in main memory at all times. My mail server isn?t that large yet as I haven?t fully deployed Dovecot outside my own small group yet, but it would be nice if scaling Dovecot IMAP to millions of users wasn?t limited to 50,000 IMAP sessions on a server... > On Feb 10, 2017, at 11:07 AM, Christian Balzer <chibi at gol.com> wrote: > > On Fri, 10 Feb 2017 07:59:52 -0500 KT Walrus wrote: > >>> 1500 IMAP sessions will eat up about 3GB alone. >> >> Are you saying that Dovecot needs 2MB of physical memory per IMAP session? >> > That depends on the IMAP s...

> 1500 IMAP sessions will eat up about 3GB alone. Are you saying that Dovecot needs 2MB of physical memory per IMAP session? If I want to support a max 100,000 IMAP sessions per server, I should configure the server to have at least 200GBs of SWAP? > On Feb 10, 2017, at 3:58 AM, Christian Balzer <chibi at gol.com> wrote: > > On Fri, 10 Feb 2017 01:13:20 +0530 Rajesh M wrote: > >> hello >> >> could somebody with experience let me know the dovecot config file settings to handle around 1500 simultaneous connections over pop3 and 1500 connection over imap si...

On Fri, 03 Jul 2015 07:05:43 +0200 Urban Loesch wrote: > Hi, > > Am 03.07.2015 um 05:14 schrieb Christian Balzer: > > > > > 2. Here is where the fun starts. > > Each IMAP session that gets proxied to the real mailbox server needs a > > port for the outgoing connection. > > So to support 2 million sessions we need 40 IP addresses here. Ouch. > > And from a brief test hav...

...thod or pretends to have encountered an empty mbox file or maildir cur/new respectively. The rationale should be obvious, no frantic user calls about "My mail is not working" when the answer is "Duh, that's because you never ever received one yet". ;) Regards, Christian Balzer -- Christian Balzer Network/Systems Engineer NOC chibi at gol.com Global OnLine Japan/Fusion Network Services http://www.gol.com/

...of your backend servers? If so, how many IMAP sessions can one proxy server handle (assuming the proxy does authorization using MySQL running on a separate server)? And, could the proxy server be tuned to help in optimizing mostly IDLE backend sessions? > On Feb 12, 2017, at 1:58 AM, Christian Balzer <chibi at gol.com> wrote: > > > Hello, > > On Fri, 10 Feb 2017 14:50:03 -0500 KT Walrus wrote: > >>> 1. 256GB of real RAM, swap is for chums. >> >> Are you sure that 100,000 IMAP sessions wouldn?t work well with SWAP, especially with fast SSD stor...

...ltiple processes, but it's needed for reliable reading if no other # locking methods are available. #mbox_read_dotlock = no --- means that if the only other reading accesses to a (mbox style in this case here) mailbox are via other dovecot processes everything will be fine? Regards, Christian Balzer -- Christian Balzer Network/Systems Engineer NOC chibi at gol.com Global OnLine Japan/Fusion Network Services http://www.gol.com/

Hi, has the CentOS version of php 5.2.x also been released yet? I couldn't find it. Thanks Gerald -- Gerald Balzer, Senior Partner T: +41 44 440 55 13 E: g.balzer at unicum-consulting.ch E: gerald at crbm.ch ****************************************** Unicum Consulting & Marketing GmbH Luzernerstrasse 51a, CH-6010 Kriens Business Solutions to suit your needs http://www.unicum-consulting.ch ***************...

...es i understand that Raid10 give a faster write and read whereas Raid 1 will have slow writes and fast reads the question is will there be huge performance difference between Raid1 and Raid 10 when it comes small files like mail queue ? thanks rajesh ----- Original Message ----- From: Christian Balzer [mailto:chibi at gol.com] To: dovecot at dovecot.org Cc: kevin at my.walr.us Sent: Mon, 13 Feb 2017 10:46:13 +0900 Subject: Hello, On Sun, 12 Feb 2017 08:27:21 -0500 KT Walrus wrote: > Thanks for the info. I do have one further question for you. On your servers that are currently handling 5...

...quot;shutdown_clients = no" they hopefully know what they are doing and do expect that to work. Regards, Christian On Fri, 30 Aug 2019 17:44:23 +0200 Daniel Lange via dovecot wrote: > Am 30.08.19 um 17:38 schrieb Daniel Lange via dovecot: > > Am 30.08.19 um 10:00 schrieb Christian Balzer via dovecot: > >> When upgrading on Debian Stretch with the security fix packages all > >> dovecot processes get killed and then restarted despite having > >> "shutdown_clients = no" set. > > > > This is systemd doing its "magic" (kill...

...d isn't very busy doing so while also fitting all 2.7GB of data for about 1 million users into RAM. ############## >>>>>>>>>>>>>>>>>>how do i put all relevant data into the RAM ? thanks rajesh ----- Original Message ----- From: Christian Balzer [mailto:chibi at gol.com] To: dovecot at dovecot.org Sent: Tue, 14 Feb 2017 16:40:01 +0900 Subject: Hello, On Mon, 13 Feb 2017 22:53:23 +0530 Rajesh M wrote: > thanks for your help > > happy to say that the performance dramatically improved after i use the high performance settings f...

Am 30.08.19 um 10:00 schrieb Christian Balzer via dovecot: > When upgrading on Debian Stretch with the security fix packages all > dovecot processes get killed and then restarted despite having > "shutdown_clients = no" set. This is systemd doing its "magic" (kill all control group processes), see https://dovecot...