Re: database won't load after machine reboot

2005-10-19 Thread Tim Wood
Do you have any log messages associated with it? (not sure for win / os x for linux look in /var/lib/mysql/.err) Hi. For clarity, I'm running mysql 4.0.20 And I did start the mysql daemon. Luke Vanderfluit wrote: Hi. I have a database that is used with wordpress blogging software. Yesterda

simple concurrency problem - any advice ??

2005-01-11 Thread Tim Wood
Hi I have a number of clients connecting to a DB in order to take jobs off a queue, mark them active, then run them. In pseudo code, each client executes the following sequence of queries: a-- select test_id from tests where status=1 and priority < 11 order by priority b-- update tests set st

Replication between 4.0.18 and 3.23.36 ??

2004-09-18 Thread Tim Wood
one know if its possible to reconfigure the master to observe the old replication setup? Or do I need to look at upgrading the slave to version 4 (which leads to the next question: does anyone fancy my chances of getting mysql 4 built and running under redhat 7.1 :) ??) Cheers Tim -- Tim Wood P

Join with absent values in right table

2002-02-27 Thread Tim Wood
, othervalue 1,4 3,4 I basically want to know if there's a query that return's 2 and 4 as key_id's in A but missing from B? Any sql gurus out there? Cheers Tim -- Tim Wood Predictive Technologies ph +61 3 8344 0395 (BH) +61 413 845 317 Everyone talks about apathy, but no one does

Re: Question on mySQL replication

2001-12-14 Thread Tim Wood
Hi Peter We use the mysql replication stuff here. Its very reliable, and the synchronization between master & slave is pretty much instant. There does seem to be one problem when the master rotates its transaction logs, the slave does not pick it up and you need to manually issue "reset slave"

Re: 4 G table limit?

2001-12-12 Thread Tim Wood
> In the last episode (Dec 13), Tim Wood said: > > Does anyone out there know of any > > - future plans by the mysql development crew to increase table size > > limits by eg using their own custom filesystem type? > > You mean the MyISAM RAID table extension, or the

4 G table limit?

2001-12-12 Thread Tim Wood
he 4G limit imposed by the linux kernel - any alternative filesystems (JFS?) that might permit greater table sizes under mysql - any other tested and functioning workarounds to this issue? Any suggestions will be appreciated Cheers Tim -- Tim Wood Predictive Technologies ph +61 3 8344 0395 (BH) +61