When I installed havaged the process died instantly and gives me a locked sub system. If I restart it again, instantly dies again. Im on centos. Any ideas why this is happening? Anyone else experienced this? - Paul > On Sep 11, 2015, at 1:54 PM, Andre Felipe Machado <andremachado@xxxxxxxxxxxxxxxx> wrote: > > Hello, > We setup haveged threshold at 2048 (its max pool size is 4096 , afaik) for our > high load cyrus imap servers. > At our cyrus imap servers the depletion bursts are amazing..... > Watch the entropy available during your peak ours and you will get an overview > of your needs. > Regards. > Andre Felipe > > > signaldeveloper@xxxxxxxxx wrote .. >> Andre, >> >> Really? What should it be? I was curious and checked.. Entropy on some of my other >> big time production servers for email is only about 200) and its lightning fast? >> >> - Paul >> >>> On Sep 10, 2015, at 5:00 PM, Andre Felipe Machado > <andremachado@xxxxxxxxxxxxxxxx> >> wrote: >>> >>> Hello, >>> Entropy of 158 is way too low for production servers. And this *MAY* cause weird >>> slowness without logging any errors. >>> You could install "haveged" and configure for max threshold levels on production >>> servers. >>> https://packages.debian.org/search?keywords=haveged >>> >>> Regards. >>> >>> Andre Felipe >>> http://www.techforce.com.br >>> >>> >>> >>> signaldeveloper@xxxxxxxxx wrote .. >>>> Rudy, >>>> >>>> Entropy is 158 I just looked. And as far as compiling against urandom, to be >>> honest >>>> I'm >>>> not sure. >>>> >>>> - Paul >>>> >>>> >>>> >>>> >>>>> On Sep 6, 2015, at 9:50 PM, Rudy Gevaert <Rudy.Gevaert@xxxxxxxx> wrote: >>>>> >>>>> >>>>> Quoting signaldeveloper@xxxxxxxxx, Mon, 07 Sep 2015: >>>>> >>>>>> Hosts file is fine I checked that, thanks. Kolab uses 389 to >>>>>> authenticate for everything, so Cyrus is using LDAP as you can see >>>>>> above. I think the problem lies in the constant TLS logins into >>>>>> Cyrus for every click: >>>>>> >>>>>> imap[2281]: login: localhost [::1] johndoe@xxxxxxxxxx PLAIN+TLS User >>>>>> logged in >>>>>> SESSIONID=<es1.domain.com-2281-1441500890-1-15740725055571902363> >>>>>> Sep 5 20:54:51 es1 imap[2281]: USAGE johndoe@xxxxxxxxxx user: >>>>>> 0.009998 sys: 0.006999 >>>>>> >>>>>> >>>>>> Again its only one user, on roundcube... I am afraid to put any more >>>>>> users on it. There doesn't seem to be much of performance tweaks >>>>>> with Cyrus around the web either... >>>>> >>>>> does your system have enough entropy? >>>>> >>>>> Is saslauthd compiled against /dev/urandom? >>>>> >>>>> Rudy >>>>> >>>>> -- >>>>> -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- >>>>> Rudy Gevaert e-mail: Rudy.Gevaert@xxxxxxxx >>>>> Directie ICT, Afdeling Infrastructuur >>>>> Groep Systemen tel: +32 9 264 4750 >>>>> Universiteit Gent fax: +32 9 264 4994 >>>>> Krijgslaan 281, gebouw S9, 9000 Gent, Belgie www.UGent.be >>>>> -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- >>>>> >>>>> >>>>> ---- >>>>> Cyrus Home Page: http://www.cyrusimap.org/ >>>>> List Archives/Info: http://lists.andrew.cmu.edu/pipermail/info-cyrus/ >>>>> To Unsubscribe: >>>>> https://lists.andrew.cmu.edu/mailman/listinfo/info-cyrus >>>> ---- >>>> Cyrus Home Page: http://www.cyrusimap.org/ >>>> List Archives/Info: http://lists.andrew.cmu.edu/pipermail/info-cyrus/ >>>> To Unsubscribe: >>>> https://lists.andrew.cmu.edu/mailman/listinfo/info-cyrus >>> ---- >>> Cyrus Home Page: http://www.cyrusimap.org/ >>> List Archives/Info: http://lists.andrew.cmu.edu/pipermail/info-cyrus/ >>> To Unsubscribe: >>> https://lists.andrew.cmu.edu/mailman/listinfo/info-cyrus > ---- > Cyrus Home Page: http://www.cyrusimap.org/ > List Archives/Info: http://lists.andrew.cmu.edu/pipermail/info-cyrus/ > To Unsubscribe: > https://lists.andrew.cmu.edu/mailman/listinfo/info-cyrus ---- Cyrus Home Page: http://www.cyrusimap.org/ List Archives/Info: http://lists.andrew.cmu.edu/pipermail/info-cyrus/ To Unsubscribe: https://lists.andrew.cmu.edu/mailman/listinfo/info-cyrus
