Difference between revisions of "User:Mziaei"

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asdf
 
asdf
 +
Hi Merdad
 +
 +
It's really bad. Can you check it out please?
 +
 +
Thanks,
 +
 +
Andrew
 +
 +
On 12/09/16 12:00, Andrew Smith wrote:
 +
> Hi Mehrdad
 +
>
 +
> I think the DNS might still be trying to load balance, people are
 +
> unable to connect intermittently (I can see it too).
 +
>
 +
> Andrew
 +
>
 +
> On 12/09/16 07:40, Mehrdad Ziaei wrote:
 +
>> Hi,
 +
>>
 +
>>
 +
>>
 +
>> When this wiki was running on Zenit, it was hosted by 4 web servers,
 +
>> so I don’t think that by itself is an issue.
 +
>>
 +
>>
 +
>>
 +
>> However, I stopped one of the webservers just to see if the error
 +
>> happens again or not.
 +
>>
 +
>> Also on the wiki on Zenit we had cache enabled as well, but is not in
 +
>> the new one, could you please look into this as well.
 +
>>
 +
>>
 +
>>
 +
>> I will look into the database server as well.
 +
>>
 +
>>
 +
>>
 +
>> Thanks,
 +
>>
 +
>> Mehrdad
 +
>>
 +
>>
 +
>>
 +
>> *From:*Andrew Smith
 +
>> *Sent:* September 11, 2016 9:11 PM
 +
>> *To:* Mehrdad Ziaei <mehrdad.ziaei@senecacollege.ca>
 +
>> *Subject:* Re: Cdot wiki database errors
 +
>>
 +
>>
 +
>>
 +
>> Hi Mehrdad
 +
>>
 +
>> I am gettng reports from other people who are getting the same error.
 +
>>
 +
>> Andrew
 +
>>
 +
>> On 10/09/16 15:23, Andrew Smith wrote:
 +
>>
 +
>>    Hi Mehrdad
 +
>>
 +
>>    I just had an idea. Could it be related to the fact that there are
 +
>>    two web servers? Maybe some weird race condition happens and they
 +
>>    end up blocking each other?
 +
>>
 +
>>    Is it difficult to turn off the second one for a few days to see
 +
>>    what happens?
 +
>>
 +
>>    Cheers,
 +
>>
 +
>>    Andrew
 +
>>
 +
>>    On 2016-09-10 02:54 PM, Andrew Smith wrote:
 +
>>
 +
>>        Hi Mehrdad
 +
>>
 +
>>        Well that didn't take long. Here is another, when I try to
 +
>>        create a new account:
 +
>>
 +
>>        A database query error has occurred. This may indicate a bug in
 +
>>        the software.
 +
>>
 +
>>          * Query:
 +
>>
 +
>>        INSERT IGNORE INTO `mw_user`
 +
>> (user_id,user_name,user_password,user_newpassword,user_email,user_email_authenticated,user_real_name,user_token,user_registration,user_editcount,user_touched)
 +
>>        VALUES (NULL,'Asmith15','','','asmith15@myseneca.ca
 +
>> <mailto:asmith15@myseneca.ca>',NULL,'','46e05f814d6feba8f3933b7b2759b
 +
>> 67f','20160910184921','0','20160910184926')
 +
>>
 +
>>          * Function: |User::addToDatabase|
 +
>>          * Error: 1205 Lock wait timeout exceeded; try restarting
 +
>>            transaction (db1.sparc.senecacollege.ca)
 +
>>
 +
>>        On 2016-09-10 02:42 PM, Andrew Smith wrote:
 +
>>
 +
>>            Hi Mehrdad
 +
>>
 +
>>            The test query now succeeds when I run it in a console. It
 +
>>            was failing yesterday just before I sent the email.
 +
>>
 +
>>            At the same time I was not able to change my password via
 +
>>            the wiki interface, because of the same error.
 +
>>
 +
>>            Perhaps it had something to do with the semester startup
 +
>>            load on the server. Let's leave this issue open for a few
 +
>>            days to make sure it doesn't reoccur.
 +
>>
 +
>>            If it does - is there some information that I could collect
 +
>>            to help debug the problem?
 +
>>
 +
>>            Yours,
 +
>>
 +
>>            Andrew
 +
>>
 +
>>            On 2016-09-10 12:45 PM, Mehrdad Ziaei wrote:
 +
>>
 +
>>                Hi,
 +
>>
 +
>>
 +
>>
 +
>>                I logged it and edited a page and also change my
 +
>>                preferences and didn't
 +
>>                get the error.
 +
>>
 +
>>
 +
>>
 +
>>                Do you get error on specific action?
 +
>>
 +
>>                Does it happen during specific time of day or any random
 +
>>                time during the
 +
>>                day?
 +
>>
 +
>>
 +
>>
 +
>>                Mehrdad
 +
>>
 +
>> ---------------------------------------------------------------------
 +
>> ---
 +
>>
 +
>>                *From:* Andrew Smith
 +
>>                *Sent:* September 9, 2016 8:22:21 PM
 +
>>                *To:* Seneca Service Desk
 +
>>                *Cc:* Mehrdad Ziaei
 +
>>                *Subject:* Re: Cdot wiki database errors
 +
>>
 +
>>                Forgot to CC the service desk.
 +
>>
 +
>>                On 09/09/16 20:20, Andrew Smith wrote:
 +
>>
 +
>>                    Hi Mehrdad
 +
>>
 +
>>                    I'm getting timeouts on the wiki that all seem to be
 +
>>                    related to the
 +
>>                    user table(s). I got one query in debug logs and
 +
>>                    tried it on the
 +
>>                    command-line, here's the result:
 +
>>
 +
>>                    MySQL [cdotwiki_db]> UPDATE `mw_user` SET
 +
>>                    user_newpassword =
 +
>> ':pbkdf2:sha256:10000:128:xm5XL0Oc/fEdSdXOJg4hjw==:B5bIhG14qHu5lCDQxI
 +
>> l+q8INMY4St5SnW8BjAr8V+Cgz0Wst1vzcu0mYfhXKfuH12oaaRa4FTcHkpN3l/oAsJ1u
 +
>> 1Zx90n9H5JkFHiM1A4bSPmq+io3TWBXEotxTAbz0Lm6XAju/4kfaBJ1JKMzA+2KJNVf37
 +
>> QmOMa8pqtThIcPc=',user_newpass_time
 +
>>
 +
>>                    = '20160910001118' WHERE user_name = 'Andrew';
 +
>>                    ERROR 1205 (HY000): Lock wait timeout exceeded; try
 +
>>                    restarting
 +
>>                    transaction
 +
>>
 +
>>                    Which is the same error I'm getting on the wiki.
 +
>>
 +
>>                    I get the same with a simpler, test query:
 +
>>
 +
>>                    MySQL [cdotwiki_db]> UPDATE `mw_user` SET
 +
>>                    user_editcount = '1710'
 +
>>                    WHERE user_name = 'Andrew';
 +
>>                    ERROR 1205 (HY000): Lock wait timeout exceeded; try
 +
>>                    restarting
 +
>>                    transaction
 +
>>
 +
>>                    I can only think that maybe SELinux is causing it.
 +
>>                    Maybe you can see
 +
>>                    something in other logs (there's nothing in the web
 +
>>                    server logs) If
 +
>>                    you can't think of a better reason - can you please
 +
>>                    disable SELinux?
 +
>>
 +
>>                    Thanks,
 +
>>
 +
>>                    Andrew
 +
>>
 +
>>
 +
>>
 +
>>
 +
>>
 +
>>
 +
>>
 +
>>
 +
>>

Revision as of 13:05, 12 September 2016

Testing!!!!!

Fedora:Main Page

asdf Hi Merdad

It's really bad. Can you check it out please?

Thanks,

Andrew

On 12/09/16 12:00, Andrew Smith wrote: > Hi Mehrdad > > I think the DNS might still be trying to load balance, people are > unable to connect intermittently (I can see it too). > > Andrew > > On 12/09/16 07:40, Mehrdad Ziaei wrote: >> Hi, >> >> >> >> When this wiki was running on Zenit, it was hosted by 4 web servers, >> so I don’t think that by itself is an issue. >> >> >> >> However, I stopped one of the webservers just to see if the error >> happens again or not. >> >> Also on the wiki on Zenit we had cache enabled as well, but is not in >> the new one, could you please look into this as well. >> >> >> >> I will look into the database server as well. >> >> >> >> Thanks, >> >> Mehrdad >> >> >> >> *From:*Andrew Smith >> *Sent:* September 11, 2016 9:11 PM >> *To:* Mehrdad Ziaei <mehrdad.ziaei@senecacollege.ca> >> *Subject:* Re: Cdot wiki database errors >> >> >> >> Hi Mehrdad >> >> I am gettng reports from other people who are getting the same error. >> >> Andrew >> >> On 10/09/16 15:23, Andrew Smith wrote: >> >> Hi Mehrdad >> >> I just had an idea. Could it be related to the fact that there are >> two web servers? Maybe some weird race condition happens and they >> end up blocking each other? >> >> Is it difficult to turn off the second one for a few days to see >> what happens? >> >> Cheers, >> >> Andrew >> >> On 2016-09-10 02:54 PM, Andrew Smith wrote: >> >> Hi Mehrdad >> >> Well that didn't take long. Here is another, when I try to >> create a new account: >> >> A database query error has occurred. This may indicate a bug in >> the software. >> >> * Query: >> >> INSERT IGNORE INTO `mw_user` >> (user_id,user_name,user_password,user_newpassword,user_email,user_email_authenticated,user_real_name,user_token,user_registration,user_editcount,user_touched) >> VALUES (NULL,'Asmith15',,,'asmith15@myseneca.ca >> <mailto:asmith15@myseneca.ca>',NULL,,'46e05f814d6feba8f3933b7b2759b >> 67f','20160910184921','0','20160910184926') >> >> * Function: |User::addToDatabase| >> * Error: 1205 Lock wait timeout exceeded; try restarting >> transaction (db1.sparc.senecacollege.ca) >> >> On 2016-09-10 02:42 PM, Andrew Smith wrote: >> >> Hi Mehrdad >> >> The test query now succeeds when I run it in a console. It >> was failing yesterday just before I sent the email. >> >> At the same time I was not able to change my password via >> the wiki interface, because of the same error. >> >> Perhaps it had something to do with the semester startup >> load on the server. Let's leave this issue open for a few >> days to make sure it doesn't reoccur. >> >> If it does - is there some information that I could collect >> to help debug the problem? >> >> Yours, >> >> Andrew >> >> On 2016-09-10 12:45 PM, Mehrdad Ziaei wrote: >> >> Hi, >> >> >> >> I logged it and edited a page and also change my >> preferences and didn't >> get the error. >> >> >> >> Do you get error on specific action? >> >> Does it happen during specific time of day or any random >> time during the >> day? >> >> >> >> Mehrdad >> >> --------------------------------------------------------------------- >> --- >> >> *From:* Andrew Smith >> *Sent:* September 9, 2016 8:22:21 PM >> *To:* Seneca Service Desk >> *Cc:* Mehrdad Ziaei >> *Subject:* Re: Cdot wiki database errors >> >> Forgot to CC the service desk. >> >> On 09/09/16 20:20, Andrew Smith wrote: >> >> Hi Mehrdad >> >> I'm getting timeouts on the wiki that all seem to be >> related to the >> user table(s). I got one query in debug logs and >> tried it on the >> command-line, here's the result: >> >> MySQL [cdotwiki_db]> UPDATE `mw_user` SET >> user_newpassword = >> ':pbkdf2:sha256:10000:128:xm5XL0Oc/fEdSdXOJg4hjw==:B5bIhG14qHu5lCDQxI >> l+q8INMY4St5SnW8BjAr8V+Cgz0Wst1vzcu0mYfhXKfuH12oaaRa4FTcHkpN3l/oAsJ1u >> 1Zx90n9H5JkFHiM1A4bSPmq+io3TWBXEotxTAbz0Lm6XAju/4kfaBJ1JKMzA+2KJNVf37 >> QmOMa8pqtThIcPc=',user_newpass_time >> >> = '20160910001118' WHERE user_name = 'Andrew'; >> ERROR 1205 (HY000): Lock wait timeout exceeded; try >> restarting >> transaction >> >> Which is the same error I'm getting on the wiki. >> >> I get the same with a simpler, test query: >> >> MySQL [cdotwiki_db]> UPDATE `mw_user` SET >> user_editcount = '1710' >> WHERE user_name = 'Andrew'; >> ERROR 1205 (HY000): Lock wait timeout exceeded; try >> restarting >> transaction >> >> I can only think that maybe SELinux is causing it. >> Maybe you can see >> something in other logs (there's nothing in the web >> server logs) If >> you can't think of a better reason - can you please >> disable SELinux? >> >> Thanks, >> >> Andrew >> >> >> >> >> >> >> >> >>