Re: MySQL, UTF8 and collations

2012-08-28 Thread Johan De Meersman
- Original Message - > From: "Rick James" > > There is a section on German Sharp-s in > http://mysql.rjweb.org/doc.php/charcoll > I agree with "dirty". Yes, seen it, but thank you. I'm not having character set issues, everything is nicely UTF8. I'm merely running into the scheiße bug,

qcache settings and block meaning

2012-08-28 Thread Raphael Bauduin
Hi, I have a mysql server running with the query cache size being 128M (134217728 bytes). Here are the qcache variables values: | Qcache_free_blocks| 13758| | Qcache_free_memory| 46945512 | | Qcache_hits | 56418967 | | Qcache_

Re: qcache settings and block meaning

2012-08-28 Thread Johan De Meersman
- Original Message - > From: "Raphael Bauduin" > > And the query_cache_min_res_unit is 4096 . > > I'm not sure what the meaning of a block is. For the query cache size What you calculated is the *average* block size, which is fairly useless :-) The query cache is not formatted into f

RE: MySQL, UTF8 and collations

2012-08-28 Thread Rick James
utf8 : utf8_general_ciO=o=Ò=Ó=Ô=Õ=Ö=ò=ó=ô=õ=öoe oz utf8 : utf8_general_mysql500_ci O=o=Ò=Ó=Ô=Õ=Ö=ò=ó=ô=õ=öoe oz utf8 : utf8_danish_ci O=o=º=Ò=Ó=Ô=Õ=ò=ó=ô=õ oe=Œ=œ oz utf8 : utf8_swedish_ciO=o=º=Ò=Ó=Ô=Õ=ò=ó=ô=õ oe=Œ=œ

RE: qcache settings and block meaning

2012-08-28 Thread Rick James
> | Qcache_hits | 56418967 | > | Qcache_inserts| 48601636 | That's a low hit rate. Perhaps you should simply turn off the Query cache? > | Qcache_free_memory| 46945512 | That's a big fraction of the total. Either the QC is unn

Re: MySQL, UTF8 and collations

2012-08-28 Thread Shawn Green
On 8/28/2012 4:49 AM, Johan De Meersman wrote: ... Guess I'll be fixing it manually (well, sed is my friend) in a mysqldump before syncing up the second node after it's been upgraded. There is another method you can use that doesn't require dump+sed+restore. Convert the column from it's cur

mysql replication

2012-08-28 Thread aaron zhang
Hi all i use mysql database,when i use mysql replication ,the slave host do not replication,i check the error message,i found error message,it is 'row is too large', i do not understand why,please tell and help me ,thanks

Re: mysql replication

2012-08-28 Thread P.R.Karthik
Hi , Can you paste the complete error log. Regards, KarthiK.P.R On Wed, Aug 29, 2012 at 7:04 AM, aaron zhang wrote: > Hi all > > i use mysql database,when i use mysql replication ,the slave host do not > replication,i check the error message,i found error message,it is 'row is > too large', i