2 messages in com.mysql.lists.bugsSimultaneous user login under load fa...| From | Sent On | Attachments |
|---|---|---|
| John Calder | 14 Jun 2000 15:40 | |
| Michael Widenius | 15 Jun 2000 01:59 |
| Subject: | Simultaneous user login under load fails ?![]() |
|---|---|
| From: | Michael Widenius (mon...@kaskela.pp.sci.fi) |
| Date: | 06/15/2000 01:59:31 AM |
| List: | com.mysql.lists.bugs |
Hi!
"John" == John Calder <jo...@thetotal.co.nz> writes:
John> Hi Monty, John> Got another incident of interest for you.
John> This morning 2 users complained that they could not login. John> They would see a "login error" message fed to them by John> their VB front end. This could be because of an error John> on connecting, or on an error during our custom login John> procedures where the program issues John> "select * from dm.users where A0 = '" & sUserName & "'" John> "use debtman"
John> On looking at "show processlist;", part only pasted below, John> I saw something interesting. John> Both users "janish" and "hellenr" are shown as connected, John> and they are shown as connecting at almost the same time: John> 1230 seconds ago and 1229 seconds ago. John> Does mysql have any known problems with 2 users John> logging in at the same moment in time ?
No. There is no restriction in how many times a user can be connected.
John> | 680 | lesterm | CLIENT4 | debtman | Sleep | 125 | NULL | NULL
John> |
John> | 681 | hazel | PC5A | debtman | Sleep | 1305 | NULL | NULL
John> |
John> | 682 | karlenep | CLIENT17 | debtman | Sleep | 1005 | NULL | NULL
John> |
John> | 683 | traceyo | PC19R | debtman | Sleep | 656 | NULL | NULL
John> |
John> | 684 | janish | PC13R | dm | Sleep | 1230 | NULL | NULL
John> |
John> | 685 | hellenr | CLIENT20 | dm | Sleep | 1229 | NULL | NULL
John> |
John> | 688 | jeffu | localhost | debtman | Sleep | 969 | NULL | NULL
John> |
John> | 690 | root | | mysql | Query | 0 | NULL | show
processli
John> st |
Exactly what error did they get from MySQL when this happened?
By the way, we did release 3.23.18 a couple of days ago. Any change you can test this if this version works better for you?
Regards, Monty




