performance problems, maintence on one table slows down others

2003-11-17 Thread Dan Edwards
Hi, I have a performance issue I've tried resolving and I can't get rid of it. Basically I have a database called lobby that any queries to it must be as fast as possible inserts, and selects. It must do about 60 queries a second with no queries taking more then 50ms. I also have another

slave stopped replicating with uncommon errors in the log

2003-09-12 Thread Dan Edwards
Hi, I have a master - slave setup that's been working for years. Then yesterday I shutdown the slave with a shutdown -r now, added some more ram, booted it back up. Then a few minutes later data stopped being inserted/updated into tables. The slave process was still running, and the

alter table froze entire machine!

2003-08-14 Thread Dan Edwards
Hi about 2 months ago I had trouble with alter table on large tables blocking all database activity and started a thread on this list called alter table blocks other tables! I tried to resolve the problems by upgrading to mysql 4.0.14, putting the database that I needed absolute best

alter table blocks other tables!

2003-06-09 Thread Dan Edwards
I have a mysql server containing multiple databases, one of the databases is very important that it is not slowed down by other databases. This database is used for a real time game server (card games), and any stalls causes all players to stall, they hate that. I've mostly solved this problem

Re: alter table blocks other tables!

2003-06-09 Thread Dan Edwards
Can you grab the output of 'vmstat' or iostat or something that'll measure disk I/O next time this happens? I'm going to try real hard not to do that again until it is upgraded or another solution is found. What'd help more is adding more disks not a single faster one--unless the SCSI disk is an