> do many of the statistical queries use the whole month's data? > have you considered partitioning the log table by day? if you can > reduce the number of rows involved in the table-scans by partitioning > it'll be help performance. >
I am summarising by hour, day, week and month. So I guess partitioning by day would help for the daily and hourly summaries. Thanks for the suggestions everyone, I'll look into all these ideas. cheers