Re: Running concurrent txns and measuring the timings in Postgres

On 7/24/19 9:54 AM, Souvik Bhattacherjee wrote:
> Hi,
> 
> Is there a standard procedure to execute two or more concurrent txns at 
> the same time? I understand that if we want to run concurrent txns, we 
> need to execute them from different psql sessions. But how do we make 
> sure that they begin execution almost at the same time.

Well different sessions be they psql or some other client. That would be 
the difficulty, determining what is submitting the transaction.

> 
> Also, I'm interested in measuring the time taken across all executing 
> txns, i.e. the time from the start of the earliest txns till the end of 
> the last txn.

It would help to know what problem you are trying to solve?

> 
> Best,
> -SB


-- 
Adrian Klaver
adrian.klaver@aklaver.com