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Showing posts from February, 2020

A Tale of Apache and Two Congestion Control Algorithms in Linux (With a guest appearance by Openstack and cURL)

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Introduction:
The shortest intro would be these two cURL times - one for a bare metal server, and one for the Openstack VM - both running the same application, for a specific test URL.


Problem:

dnslookup: 0.109 | connect: 0.359 | appconnect: 0.000 | pretransfer: 0.359 | starttransfer: 0.624 | total: 6.739 | size: 710012
dnslookup: 0.016 | connect: 0.281 | appconnect: 0.000 | pretransfer: 0.281 | starttransfer: 0.531 | total: 6.958 | size: 710277
dnslookup: 0.000 | connect: 0.265 | appconnect: 0.000 | pretransfer: 0.265 | starttransfer: 0.530 | total: 5.351 | size: 709165

No problem:
dnslookup: 0.000 | connect: 0.265 | appconnect: 0.000 | pretransfer: 0.265 | starttransfer: 0.546 | total: 2.168 | size: 705631
dnslookup: 0.015 | connect: 0.281 | appconnect: 0.000 | pretransfer: 0.281 | starttransfer: 0.561 | total: 2.402 | size: 705354
dnslookup: 0.000 | connect: 0.265 | appconnect: 0.000 | pretransfer: 0.265 | starttransfer: 0.546 | total: 2.434 | size: 705485

For more details, read on.



Little b…

Review: This Is Going to Hurt: Secret Diaries of a Junior Doctor

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This Is Going to Hurt: Secret Diaries of a Junior Doctor by Adam Kay
My rating: 5 of 5 stars


Thanks for the recommendation @Gokila!

This is a brilliant, light heart-ed read.
However, most of the entries in this Diary will sound strange to the Indian reader. Surely Doctors are not this humble, are they? And what is this blasphemy - a patient conversing on equal terms with the doctor? But the other side is not so pretty either.

Here in India, we have a different kind of Patient - Doctor relationship than the rest of the world. We simultaneously adore them and loathe them. A significant portion of the population wants their off-springs to try their hand at being doctors - but an equally large portion of the population thinks the doctors conspire to put them through painful and expensive procedures to mint money. (Or worse, to "train" at their expense)

We all have read about doctors getting attacked by mobs because someone passed away and the crowd thought it was because the doc…