Hi Gurus,
I have a query, Tables fragmented into 5 DBSpaces, and the other tables reside into 2 DBSpaces (7 DBSpaces in all), Problem: query is to slow. How can i speed up my query. BTW, were using Metacube Server 4.x.
TABLE1, TABLE2, TABLE3 fragmented in 5 DBSpace ( 5 diff. disk)
TABLE4, TABLE5 ... (DBSpace6)
TABLEn... (DBSpace7)
Client ---> Metacube Server/Web Server ---> Informix 7.X
(Browser) (Database)
Regards,
Jose'
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↪ replying to jmorales@nettaxi.com
"jmorales@nettaxi.com" wrote:
>
> Hi Gurus,
>
> I have a query, Tables fragmented into 5 DBSpaces, and the other tables reside into 2 DBSpaces (7 DBSpaces in all), Problem: query is to slow. How can i speed up my query. BTW, were using Metacube Server 4.x.
>
> TABLE1, TABLE2, TABLE3 fragmented in 5 DBSpace ( 5 diff. disk)
>
> TABLE4, TABLE5 ... (DBSpace6)
> TABLEn... (DBSpace7)
>
> Client ---> Metacube Server/Web Server ---> Informix 7.X
> (Browser) (Database)
Post the query, the schema of the two tables, SET EXPLAIN output, etc.
Have you updated stats recently to at least recommended levels? Also post
estimated size of each table (#rows) and of the result set of the query,
your ONCONFIG file, and output from onstat -p, onstat -g ioq, and
onstat -g iov.
Art S. Kagel