Re: InnoDB Writes blocking Reads

2005-04-24 Thread Andy McCurdy
is be a > performance bug in the query cache? > > What is your my.cnf like? How big is your table cache? > > Best regards, > > Heikki Tuuri > Innobase Oy > Foreign keys, transactions, and row level locking for MySQL > InnoDB Hot Backup - a hot backup tool for InnoDB

Re: InnoDB Writes blocking Reads

2005-04-24 Thread Heikki Tuuri
/network/ - Original Message - From: ""Andy McCurdy"" <[EMAIL PROTECTED]> Newsgroups: mailing.database.myodbc Sent: Friday, April 22, 2005 2:02 AM Subject: Re: InnoDB Writes blocking Reads I forgot to mention: we're running mysql version 4.0.23-standard-log --

Re: InnoDB Writes blocking Reads

2005-04-22 Thread kernel
Andy, Can you send me the table layout and the script ? I'd like to try it here on one my test systems running 4.0.23. walt Andy McCurdy wrote: I haven't seen any other replies as of yet. After looking closer at the innodb status dump, the last known deadlock occured several days ago... so I don

Re: InnoDB Writes blocking Reads

2005-04-22 Thread kernel
Andy McCurdy wrote: I forgot to mention: we're running mysql version 4.0.23-standard-log -- Official MySQL-standard binary. Here's the innodb status output during a problematic period. = 050421 15:29:46 INNODB MONITOR OUTPUT

Re: InnoDB Writes blocking Reads

2005-04-21 Thread Andy McCurdy
I forgot to mention: we're running mysql version 4.0.23-standard-log -- Official MySQL-standard binary. Here's the innodb status output during a problematic period. = 050421 15:29:46 INNODB MONITOR OUTPUT = Per second averag

Re: InnoDB Writes blocking Reads

2005-04-21 Thread kernel
Andy McCurdy wrote: I've been seeing some weirdness w/ MySQL and InnoDB over the past few days. I have a database that's entirely using InnoDB. The database is roughly 4.5G (one datafile) and contains a little over 50 tables. The web applications that hit this database do about 85-90% reads an

InnoDB Writes blocking Reads

2005-04-21 Thread Andy McCurdy
I've been seeing some weirdness w/ MySQL and InnoDB over the past few days. I have a database that's entirely using InnoDB. The database is roughly 4.5G (one datafile) and contains a little over 50 tables. The web applications that hit this database do about 85-90% reads and 10-15% writes. Wh