Connection Pooling in PostgresSQL with NodeJS (Performance Numbers)

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Connection pooling is a pattern of creating a pool of available connections (usually TCP) and allow multiple clients to share the same pool of connections. This pattern is usually used when connection establishment and tearing down is costly, and the server has a limited number of connections.

In this video we will learn how to use connection pooling in NodeJs when working with a Postgres Database, we will learn how to spin up a pool of database connections and use stateless pool queries and transactional queries begin/end, and finally, we will


0:00 Intro
3:00 stateless close/open
4:30 Pooling approach
8:20 Performance tests

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Hussein
  1. Hussein Nasser
  2. software engineering
  3. postgressql connection pooling
  4. connection pooling javascript
  5. connection pooling postgres
  6. javascript connection pooling postgres
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Комментарии
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If you enjoyed this video consider checking out my 13+ hours Introduction to Database Engineering course here! for more exclusive content

hnasr
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Wow! I just found the hidden gem(channel) on YouTube. Can't decide what to watch first. 😅

prasangsinghal
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the most interesting part was at the end ( just kidding ) . But I really want to know how you can reserve a client and using it for multiple queries and then return it to the pool, that would really suit my project. Awesome tutorial BTW!

bogdanRules
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Holy cow, this channel is insanely good

ileska
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God bless you
Hussein! :) Another great video from you.

objectObject
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Amazing
I am new with postgres in node and was confused about pool and client
This video helped me a lot to understand
Thanks Hussein,

mahmoudadel
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Really great video. I used this as the basis for not using pooling for my particular data processing application. Thanks!:D

TheGodSaw
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Great video, I really like your teaching style - thank you for this!

HardcoreFixation
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Hi Hussein, thanks for your indepth videos. I want to suggest topic discussing Node js architecture like how it works as single threaded event driven runtime and how it differs from javascript running in client (browser).
Thanks in Advance 😊

kundanranjan
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Amazing !! Thank you, direct to the point !

Dsouza
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Excellent tutorial. This really helped out. Thank you.

noktilux
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Thanks for the video..It was really informative.

Krishna-zhpw
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Nice explanation, specially with fetchAPI.
Thanks @hussein

riz_ahmeds
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Excellent video, Hussein!
Just one question, what do you mean by "stateless query"? is that related to transactions somehow?

tdias
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If you could show the DB show processlist; (something similar in PostgresSQL) also would be great.

fazlulmohideen
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Hussein, could you please make a video about the "MIME errors" we get sometimes when we try to use the 'pg' require. Ty

yamtaztiik
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Ty for great videos, but is pool is better and client? What is different pool and client connection? And When we decide to choose one of it?

hendrasanusi
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Awesome tutorial, just one doubt: What happens if there are multiple WRITE requests, and pool allocates one thread to each of the request and they start executing parallely? So how the Atomicity gets handled in that case? Is it DB which handles Atomicity?

sagartyagi
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You just earned yourself a s-s-subscribe. Boo yeaaahuhs 💞♥️😛😤🥺

TheAmeer
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Hussein, can you make same as this video you did but using NodeJS and MariaDB with use of JSON functions and operators it provides. Official Docs for this is terrible. Only you can do proper explanation for these things :P

vizardesign