How to etsimate the log file size

Question

How to etsimate the log file size

Satish Nagaraja

SSCrazy

Points: 2632
More actions
September 16, 2014 at 1:53 am

#293179

Hi All,
I was having interesting discussion on estimation of log file with a fellow collegue who happens to be quite knowledgable as well.
He told me if we identify the most frequently hit tables for a database and then (sum their sizes * 1.5) for OLAP we get rough estimate for disk space to be allocated for log file.
Are there any other options ? Can you share some links which I can read about ?
Cheers
Sat
Cheer Satish 🙂

Viewing 2 posts - 1 through 1 (of 1 total)

You must be logged in to reply to this topic. Login to reply

Jeff Moden SSC Guru Points: 1004339 More actions · Answer 1

Satish Nagaraja (9/16/2014)
Hi All,
I was having interesting discussion on estimation of log file with a fellow collegue who happens to be quite knowledgable as well.
He told me if we identify the most frequently hit tables for a database and then (sum their sizes * 1.5) for OLAP we get rough estimate for disk space to be allocated for log file.
Are there any other options ? Can you share some links which I can read about ?
Cheers
Sat

On a new database, you normally have no idea how big tables will get so it would simply be an order of magnitude guess while observing best practices to control the number of VLFs spawned during growth.

For existing systems, the current size of the log file plus some room for near term growth is a pretty good guess. 😀

--Jeff Moden

RBAR is pronounced "ree-bar" and is a "Modenism" for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
________Stop thinking about what you want to do to a ROW... think, instead, of what you want to do to a COLUMN.

Change is inevitable... Change for the better is not.

Helpful Links:
How to post code problems
How to Post Performance Problems
Create a Tally Function (fnTally)