Win a copy of Mesos in Action this week in the Cloud/Virtualizaton forum!
  • Post Reply
  • Bookmark Topic Watch Topic
  • New Topic

Slow performance-Full text search

 
Arjun Shastry
Ranch Hand
Posts: 1898
1
  • Mark post as helpful
  • send pies
  • Quote
  • Report post to moderator
Hi,
For reporting purpose I am displaying some records in browser from one database(MSSQL) table based on some criteria.The fields which I am comparing contain 12-13 character strings.In select query I am comparing the values of these fields.If the total records are less say 100000,it works perfectly but total records are more than 500000(which will be the case in 'production'),getting the results take 'long' like 18-19 secods time.
Query is very simple,Supoose table T and attributes are A1.....An.and A1 and A2 are attributes which I am using in select query:

Any idea on how to improve the performance?
 
Paul Sturrock
Bartender
Posts: 10336
Eclipse IDE Hibernate Java
  • Mark post as helpful
  • send pies
  • Quote
  • Report post to moderator

Any idea on how to improve the performance?

Have you tried running the query in your database's profiling tool? Most DBs will suggest if indices are needed to improve performance, which is probably the case in this instance.

As an aside, if you have a distinct requirement to provide free text searching over your data it makes sense not to implement this in the database itself, but with a third party IR tool like Lucene.
 
  • Post Reply
  • Bookmark Topic Watch Topic
  • New Topic