Show table status
Hello, Does anyone know where (c-api functions perhaps) SHOW TABLE STATUS gets its info from? Specifically, the new columns added in 4.1.2 and 4.1.3, are they the result of underlying c-function changes, new functions, or something else. Thanks Michael -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
datetime/timestamps/4.1.12
Hello, I just upgraded to 4.1.12 from 4.0.22 and my timestamps changed formats to %Y-%m-%d %H:%i:%s So I added the following lime to my my.cnf file datetime_format=%Y%m%d%H%i%s Which is the format I prefer, I restart the server and my time stamps still appear as %Y-%m-%d %H:%i:%s The 'show variables' command now confirms that the format is what I defined in the my.cnf but the output of the query does not change... What am I missing? Thanks, Michael
RE: datetime/timestamps/4.1.12
Hello, Nevermind - duh -datetime is not timestamp (oneday I fullfill my promise to myself and not work on Sundays when my 'duh' level is a bit higher). Sofrom what I gather, the backward compatibility comes in the form of adding a +0 (string to int). This is most inconvenient and annoying. Any plans on rectifying this, or has anyone found a workaround, or are we left to go SIOH (hint OH stands for our hat) :-} Later... Michael -Original Message- From: DePhillips, Michael P Sent: Sun 7/17/2005 11:05 AM To: mysql@lists.mysql.com Cc: Subject: datetime/timestamps/4.1.12 Hello, I just upgraded to 4.1.12 from 4.0.22 and my timestamps changed formats to %Y-%m-%d %H:%i:%s So I added the following lime to my my.cnf file datetime_format=%Y%m%d%H%i%s Which is the format I prefer, I restart the server and my time stamps still appear as %Y-%m-%d %H:%i:%s The 'show variables' command now confirms that the format is what I defined in the my.cnf but the output of the query does not change... What am I missing? Thanks, Michael
dateTime vrs. Timestamp
Hello, Am I gaining anything by using a timestamp instead of using dateTime and calling now(), for example, increased performance, better indexing, etc. I guess another way to ask this is does the MySQL internals handle a timestamp more efficiently than a dateTime. Thanks Michael -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
Replication - Too many master threads -BUG?
Hi - perhaps this is a bug - but I figure I'd try here first in case I'm doing something wrong. Master is 4.0.20 - slave connect and replicate fine, HOWEVER, for each binlog dump a new thread gets created and the old one is NOT released. Within a couple of days my master sever is flooded and allowing no more connections. Status of all threads (most recent and old are Has sent all binlog to slave; waiting for binlog to be updated) Is it me or should I report a bug? Thanks Michael -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
Replication died
Hello - I just upgraded my master to 4.0.20 from 3.23.54 (ran the mysql_fix_privileges script) My slaves are all 4.0.[16,17,18] All seems well EXCEPT the Slave_IO_Running will NOT start. All my slave a stuck at the point prior to the upgrade. Error logs reveal nothing out of the ordinary. I'm baffeled, anybody have some insight??? Thanks Michael
RE: Replication died
Never mind...I've fixed it. Thanks Michael -Original Message- From: DePhillips, Michael P Sent: Wednesday, June 09, 2004 4:17 PM To: '[EMAIL PROTECTED]' Subject: Replication died Hello - I just upgraded my master to 4.0.20 from 3.23.54 (ran the mysql_fix_privileges script) My slaves are all 4.0.[16,17,18] All seems well EXCEPT the Slave_IO_Running will NOT start. All my slave a stuck at the point prior to the upgrade. Error logs reveal nothing out of the ordinary. I'm baffeled, anybody have some insight??? Thanks Michael -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
Replication Madness
Hi Folks Every now and again one of my slaves try's to connect to its master via its ip address as opposed to its dns name. This causes a problem because the ip address does not have credentials on the master, therefore, connection refused -replication ends -databases out of sync- angry users- we all know the rest. The switch is random both temporally and machine wise. Are there any ideas on why this is happening or what needs to be done to prevent it? Perhaps this is a bug and should be reported as such? Thanks Michael
RE: Replication Madness
Thanks for the reply. I agree with your first solution but I feel this is very limiting. I would like be able to connect with a dns name with assurance that it will succeed. I think this is a reasonable feature to request. I have, for example, a DNS Round Robin used for load sharing. It is essencial here that the DNS name authenticates. For clarity below is the error message I receive when the system goes down. The connections were made perfectely well with dns prior to the mysterious switch - I guess the question remains why is it switching? 040119 12:01:16 Slave I/O thread: error reconnecting to master '[EMAIL PROTECTED]:3336': Error: 'Host '111.111.11.11' is not allowed to connect to this MySQL server' errno: 1130 retry-time: 60 retries: 86400 (Numbers and letter changed intentionally.) -Original Message- From: Mikael Fridh To: DePhillips, Michael P; [EMAIL PROTECTED] Sent: 1/23/2004 6:50 PM Subject: Re: Replication Madness I'm not sure I quite follow you here. I think you mean that when the slave connects to the master, sometimes the master does not resolve the address the slave has - thus failing because you don't have grants for the slave's IP address.. Generally I think it's a bad idea to be dependent on a dns lookup, the grant should be for the proper Ip adress(es) instead. A name server look up always have the risk of failing (unless it's set to retry endlessly) You could try a worse solution - put the slave's IP address in the HOSTS file on the master. That way (IF the OS reads the host file before it queries a name server) it will always identify the slave's hostname. But like I said, that's the bad solution I think... Mikael - Original Message - From: DePhillips, Michael P [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Friday, January 23, 2004 11:00 PM Subject: Replication Madness Hi Folks Every now and again one of my slaves try's to connect to its master via its ip address as opposed to its dns name. This causes a problem because the ip address does not have credentials on the master, therefore, connection refused -replication ends -databases out of sync- angry users- we all know the rest. The switch is random both temporally and machine wise. Are there any ideas on why this is happening or what needs to be done to prevent it? Perhaps this is a bug and should be reported as such? Thanks Michael -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
new install failure
HI list When installing mysql 4.16 on debian linux 2.4.20-20.8smp I get the following errors... ---snip- -- 031112 16:05:08 mysqld started 031112 16:05:08 InnoDB: Started 031112 16:05:08 Fatal error: Can't open privilege tables: Can't find file: './mysql/host.frm' (errno: 13) 031112 16:05:08 Aborting ---end snip host.frm is in mysql/data where it belongs, any idea why this is happening? Thanks
RE: new install failure
That did it thanks Pete I need to my installs earlier in the day ;) -Original Message- From: Peter Lovatt [mailto:[EMAIL PROTECTED] Sent: Wednesday, November 12, 2003 4:44 PM To: DePhillips, Michael P; [EMAIL PROTECTED] Subject: RE: new install failure Have you checked permissions - the files should be owned by mysql Peter -Original Message- From: DePhillips, Michael P [mailto:[EMAIL PROTECTED] Sent: 12 November 2003 21:38 To: [EMAIL PROTECTED] Subject: new install failure HI list When installing mysql 4.16 on debian linux 2.4.20-20.8smp I get the following errors... ---snip- -- 031112 16:05:08 mysqld started 031112 16:05:08 InnoDB: Started 031112 16:05:08 Fatal error: Can't open privilege tables: Can't find file: './mysql/host.frm' (errno: 13) 031112 16:05:08 Aborting ---end snip host.frm is in mysql/data where it belongs, any idea why this is happening? Thanks -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
Master/Slave Replication
Hi List I'm having trouble start a slave. All seems to be configured well as per show slave status, I issue a mysql slave start; Query OK, 0 rows affected (0.00 sec) and nothing happens, show slave status sill says slave is not running. Any insght?? Thanks mike -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
copy database
HI List, Using version 4.0.15 I'm trying to copy a database. Copy db1 to (new) db2. So I created db2. And then tried the following and got the subsequent errors. # mysqldump --add-drop-table db1 | mysql db2 ERROR 1064 at line 399: You have an error in your SQL syntax near 'count(count), KEY dataID(dataID) ) TYPE=MyISAM' at line 15 # mysqldump --opt db1 | mysql db2 ERROR 1065 at line 23: Query was empty Any insight would be very helpful Thanks Michael
4.0.13/Solaris9 - 64 bit or 32 bit
Hi all, I'm upgrading a mission critical production server with Solaris 9 and mysql 4.0.13 and was wonder if I should install as 64 bit or 32 bit. I couldn't find much recent discourse on the subject, perhaps some of you have some experience, known pit falls, ideas or suggestions Thanks, I know general questions like this are tougher to answer. Mike
MYI file difference
Hi All, I tarred up the data directory from mirror1 data base - slave. Copied the tarball to mirror2 with the hopes of rebuilding mirror2 - another slave. Backed up the data directory from mirror2 into old and untarred mirror1 Then I did a diff -r against another mirror and the diff came back with Binary files old/blahblahblah.MYI and data/blahblahblah.MYI differ, For all the .MYI files. Any insight as to why these indexes are different? Thanks Mike
RE: MYI file difference
To be a bit clearer, should the MYI index files betweened two slaves of a mirrored database be different? I would think they would be identical, right? Thanks -Original Message- From: DePhillips, Michael P To: [EMAIL PROTECTED] Sent: 7/16/2003 6:18 PM Subject: MYI file difference Hi All, I tarred up the data directory from mirror1 data base - slave. Copied the tarball to mirror2 with the hopes of rebuilding mirror2 - another slave. Backed up the data directory from mirror2 into old and untarred mirror1 Then I did a diff -r against another mirror and the diff came back with Binary files old/blahblahblah.MYI and data/blahblahblah.MYI differ, For all the .MYI files. Any insight as to why these indexes are different? Thanks Mike -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
create table...checksum = 1
Hey Folks I'm having a tough time finding any information in the available documentation about this feature. Does anyone out there have a bit of insight as to what exactly it does. Docs says MySQL will store a checksum for each row if this is 'on' - that's about all I can find. Some general questions are: Where is it stored? Is it assessable? How is the checksum verified between two databases - e.g., in a master/slave environment? Which technology is used (MD5 etc.)? An even more general is, what would be a scenario in which I would use this feature? I'm thinking it would be nice to verify data traveling across a client server environmentbut I may be wrong. Any insight? Thanks Mike
