Re: InnoDB: Thousands of Tables or Hundreds of Databases?

2009-02-10 Thread Michael Addyman
Martin, I'm guessing you mean 1 database per table type. On Tue, Feb 10, 2009 at 5:17 PM, Martin Gainty wrote: > > I vote for 1 table per TableType > this will keep your DB schema consistent with Architecture > > Martin > __ > Disclaimer and confidenti

Re: InnoDB: Thousands of Tables or Hundreds of Databases?

2009-02-10 Thread Michael Addyman
I'll take that on board. Thanks for your advice, mysql-master-master, Maatkit, mysqlperformanceblog, your patches and community support! On Tue, Feb 10, 2009 at 3:54 PM, Baron Schwartz wrote: > Hi Michael, > > On Mon, Feb 9, 2009 at 6:03 PM, Michael Addyman > wrote:

Re: InnoDB: Thousands of Tables or Hundreds of Databases?

2009-02-10 Thread Michael Addyman
, Feb 10, 2009 at 2:57 PM, Michael Addyman < > michael.addy...@googlemail.com> wrote: > >> Hooray! http://code.google.com/p/mysql-master-master/ >> >> Am I crazy to be considering replicating 500+ databases? I think so... >> > > I don't think the number

Re: InnoDB: Thousands of Tables or Hundreds of Databases?

2009-02-10 Thread Michael Addyman
Hooray! http://code.google.com/p/mysql-master-master/ Am I crazy to be considering replicating 500+ databases? I think so... On Tue, Feb 10, 2009 at 12:11 PM, Michael Addyman < michael.addy...@googlemail.com> wrote: > Walter, this is exactly why we went for separate application

Re: InnoDB: Thousands of Tables or Hundreds of Databases?

2009-02-10 Thread Michael Addyman
Johan, we considered this approach but concluded it would require too much re-development (more than just the database layer). Thanks anyway. On Tue, Feb 10, 2009 at 11:47 AM, Johan De Meersman wrote: > > > On Tue, Feb 10, 2009 at 12:39 PM, Michael Addyman < > michael.addy...

Re: InnoDB: Thousands of Tables or Hundreds of Databases?

2009-02-10 Thread Michael Addyman
rt * Consulting * Administration > http://www.olindata.com > > > > On Tue, Feb 10, 2009 at 12:39 PM, Michael Addyman > wrote: > > Thanks for your comments Mike. > > > > 1. The largest table has 48 columns, the second largest 20 columns, and > the > >

Re: InnoDB: Thousands of Tables or Hundreds of Databases?

2009-02-10 Thread Michael Addyman
, resulting in ~3000 tables per database, and ~5 database clusters. I think my final suggestion is the most suitable. What would your recommendations be? Many thanks Michael. On Tue, Feb 10, 2009 at 6:01 AM, mos wrote: > At 05:03 PM 2/9/2009, Michael Addyman wrote: > >> Dear Geniuses,

Re: InnoDB: Thousands of Tables or Hundreds of Databases?

2009-02-10 Thread Michael Addyman
its ratio of reading : writing : updating. However, this approach would require a LOT of work to re-write the application's database layer. What approach would be best? Thanks again, Michael On Tue, Feb 10, 2009 at 6:01 AM, mos wrote: > At 05:03 PM 2/9/2009, Michael Addyman wrote: >

Re: InnoDB: Thousands of Tables or Hundreds of Databases?

2009-02-10 Thread Michael Addyman
sed for its ratio of reading : writing : updating. However, this approach would require a LOT of work to re-write the application's database layer. What approach would be best? Thanks again, Michael On Tue, Feb 10, 2009 at 6:01 AM, mos wrote: > At 05:03 PM 2/9/2009, Michael Addym

InnoDB: Thousands of Tables or Hundreds of Databases?

2009-02-09 Thread Michael Addyman
Dear Geniuses, I have an application requiring ~30 InnoDB tables, which needs to scale up to at least 500 application instances (500 instances * ~30 tables = 15,000 tables). Discussions in the archives suggest I would be better off having independent databases for each of the application instance