[HyperDB] setup question

[Beck, Joe]

thanks. yes, this did it.
add_db_server('global', 0, '', 1,
0,'172.18.0.52:3306','172.18.0.52:3306','blogs_sprint','blogs_sprint','blogs
_sprint');  //wp1 main read svr
add_db_server('global', 0, '', 0,
1,'172.18.0.55:3306','172.18.0.55:3306','blogs_sprint','blogs_sprint','blogs
_sprint');  //wp2 write svr

I heard that hyperdb is good for logging/keeping track of queries & where
they¹re being sent.
anyone have any details on that?
if I¹m mistaken, can anyone recommend a way to validate & track reads &
writes to verify hyperdb is doing what you expect?

thanks,
Joe



On 3/1/10 9:58 AM, "Andy Skelton" <skeltoac at gmail.com> wrote:

> Your config is telling HyperDB that there is no place to send reads. Try a 1
> in the R arg of the read server.
> 
> Andy
> 
> On Feb 28, 2010 11:51 PM, "Beck, Joe" <Joe_Beck at comcast.com> wrote:
> 
> I¹m new to hyperdb & need some help getting a dev env configured for a POC.
> we have mysql in a master-slave config and would like to leverage hyperdb
> for 2 things--> split reads/writes and support multiple data center.
> 
> For now, the focus is on splitting the reads & writes.
> after going thru the install steps it seemed like a pretty simple process,
> but I¹m getting hung up on the add_db_server line in db-settings.php
> originally I had:
> 
> add_db_server('global', 0, '', 0,
> 0,'172.18.0.52:3306','172.18.0.52:3306','blogs_sprint','blogs_sprint','blogs
> _sprint');  //wp1 as read svr
> add_db_server('global', 0, '', 1,
> 0,'172.18.0.55:3306','172.18.0.55:3306','blogs_sprint','blogs_sprint','blogs
> _sprint');  //wp2 as write svr
> 
> but was getting the following error:
> Unable to connect to : while querying table 'wp_1_options' (global_w)
> 
> then I was questioning the horizontal partitioning part of this.
> so I commented out the first add_db_server line but still getting the same.
> then, I started going thru the code & tried changing my add_db_server line
> to
> add_db_server('global_w', 0, '', 1,
> 0,'172.18.0.55:3306','172.18.0.55:3306','blogs_sprint','blogs_sprint','blogs
> _sprint');  //wp2
> 
> I stopped getting the orig error but got the std can¹t find your blog msg:
> No WPMU site defined on this host. If you are the owner of this site, please
> check <a href='http://codex.wordpress.org/Debugging_WPMU'>Debugging WPMU</a>
> for further assistance.
> 
> Any suggestions or guidance on this is greatly appreciated.
> we¹re using wpmu 2.8.6 & I downloaded the latest hyperdb, don¹t see a
> version on this.
> 
> thanks,
> Joe
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