| From: | Aleksei Ivanov <iv(dot)alekseii(at)gmail(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, "pgsql-hackers(at)lists(dot)postgresql(dot)org" <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Binary transfer vs Text transfer |
| Date: | 2020-06-17 18:55:44 |
| Message-ID: | CAN0E21MgD18bNXr+05yHGVkdr8+EzziZ+dYUCWVhwdYe_Bc7LA@mail.gmail.com |
| Views: | Whole Thread | Raw Message | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
Hello, colleagues,
I have one question related to my current measurements results.
I am fetching integers in text format like:
Select * from table limit 10000000. It take 18.5 seconds to finish and the
transfer data is 633 MB.
When I fetching the same data using binary cursor, the transfer data is 480
MB, but the transfer time is 21.5 seconds?
So, I have one question could someone explain what can be the reason why
the transferring time for binary data is higher?
Best regards,
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Andres Freund | 2020-06-17 19:12:12 | Re: Binary transfer vs Text transfer |
| Previous Message | Alvaro Herrera | 2020-06-17 18:50:14 | Re: Review for GetWALAvailability() |