Date: Wed, 2 Aug 2006 10:00:01 -0400 From: "Jim Stapleton" <stapleton.41@gmail.com> To: freebsd-questions@freebsd.org Subject: Re: Problems with MySQL since upgrade Message-ID: <80f4f2b20608020700l53410a09u6efb90aadb6294cb@mail.gmail.com> In-Reply-To: <B4660167-78AB-4A4D-AF7C-9AD258185E7C@partners.org> References: <31F1465C-5B87-4B79-8D58-0A538BF30562@partners.org> <D1FBD2B5-CEB6-479B-8254-497E199462CF@partners.org> <80f4f2b20608020636o3dd712c9vf1aad9b6f3ba6e6f@mail.gmail.com> <B4660167-78AB-4A4D-AF7C-9AD258185E7C@partners.org>
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I thought there were mysql forums, but I am not sure. In the queries I gave you, none of the results were too large I take it (not above the low thousands)? -Jim Stapleton On 8/2/06, Richard Morse <remorse@partners.org> wrote: > Hi! All of these queries worked just fine, without causing any > problems. > > As this is more of a mysql issue, do you have any suggestions where > it would be best for me to query them? > > Thanks, > Ricky > > On Aug 2, 2006, at 9:36 AM, Jim Stapleton wrote: > > > Not sure, seems more of a mysql question, but here's some guesses I > > have for diagnostics. > > > > could you run these queries? > > > > SELECT COUNT(*) FROM users WHERE status < 3 > > SELECT COUNT(*) FROM sessiions WHERE sid = > > "d9fe25949f79f2c767a0d237b4fdf841" > > SELECT COUNT(*) FROM FROM users u INNER JOIN sessions s ON u.uid = > > s.uid WHERE s.sid = "d9fe25949f79f2c767a0d237b4fdf841" AND u.status < > > 3 > > > > -Jim Stapleton > > > > > > > > On 8/2/06, Richard Morse <remorse@partners.org> wrote: > >> > >> On Aug 1, 2006, at 9:24 AM, Richard Morse wrote: > >> > >> > Hi! I recently updated MySQL to version 5.0.22 using the ports > >> > system (portupgrade -r -R mysql-\*). Previous to this, MySQL was > >> > behaving perfectly normally. Since the upgrade, I have found that > >> > every so often -- sometimes two or three times a day, sometimes > >> > every other day, but no more often than that -- one of the > >> > databases MySQL is hosting starts misbehaving, MySQL starts > >> > climbing in processor usage, and I have to restart MySQL to > >> > recover. By "misbehaving", I mean that some subset of queries to > >> > this database start not returning -- they take forever. By > >> > climbing in processor usage, I mean that my load averages, which > >> > normally sit around 0, start going up to 3, 5, even 7. > >> > > >> > - How can I determine what query it is that is causing this to > >> > happen? I have turned on the log files by adding the following > >> > line to /etc/rc.conf: > >> > >> Hi! Since this time, I have, I think, found what query is causing > >> the problem: > >> > >> SELECT u.*, s.* FROM users u INNER JOIN sessions s ON u.uid = s.uid > >> WHERE s.sid = "d9fe25949f79f2c767a0d237b4fdf841" AND u.status < 3 > >> LIMIT 0, 1 > >> > >> How can I determine _why_ this is causing MySQL to hang/enter some > >> kind of infinite loop? > >> > >> Thanks, > >> Ricky > >> _______________________________________________ > >> freebsd-questions@freebsd.org mailing list > >> http://lists.freebsd.org/mailman/listinfo/freebsd-questions > >> To unsubscribe, send any mail to "freebsd-questions- > >> unsubscribe@freebsd.org" > >> > > _______________________________________________ > > freebsd-questions@freebsd.org mailing list > > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > > To unsubscribe, send any mail to "freebsd-questions- > > unsubscribe@freebsd.org" > >
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