Hi faris, --On 14. September 2008 22:00:32 -0700 faris <farislinux@xxxxxxxxx> wrote:
I have a special requirement and need to benchmark cyrus imap with 100K mailboxes having sasld with mysql authentication. the benchmark will be writing mails with 400KB size attachement to all 100K mailboxes, while reading all the 100k mailboxes simultanously,
do you *really* expect 100k concurrent IMAP connections??
each mailbox have 10MB quota allocated. Following is the configuration of the server which i am planning to use for the loadtest. Server Conf: Intel(R) Xeon(TM) CPU 3.80GHz X 4, 4GB ram OS: Red Hat Enterprise Linux Server release 5.1 cyrus-sasl-2.1.22-4 cyrus-imapd-2.3.7-1.1.el5 pam_mysql-0.7-0.4.rc1.el5.2 MySQL-server-4.0.24-0 postfix-2.3.11-1.rhel5 Can anybody tell me what is a maximum amount of mailboxes cyrus-imapd supports?
Do you mean mailboxes or accounts? We have around 50,000 users with 105,000 mailboxes on a single server. There is no real maximum, AFAIK.
also is it possbile for me to go upto 200K mailboxes in a single node ?
Certainly. The issue isn't the number of mailboxes, it's the number of connections. We currently don't have more than 1,200 of those at a time. I don't think you could get anywhere near 100,000 on a single server.
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