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Displaying posts with tag: node (reset)

My experience with node and mongodb course "M101JS: MongoDB for Node.js Developers" (Third Week)
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Well, currently I am into the third week of mongodb node course "M101JS: MongoDB for Node.js Developers" and I am pretty enjoying it.

Lots of personal learning into node and mongodb.

The third week subject of "Patterns, Case Studies & Tradeoffs" is really interesting.

Here is a list of topics, I learned about:
- Mongodb rich documents concept.
- Mongodb schema use cases.
- Mongodb one:one, one:many, many:many use cases.
- How to select schema based on the usage like whether you want max performance
  or it may be a tradeoff.














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Stop comparing stuff you don't understand
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I normally don't do this. When I see someone write a blog post I don't agree with, I often just dismiss it and go on. But, this particular one caught my attention. It was titled PHP vs Node.js: Yet Another Versus. The summary was:

Node.js = PHP + Apache + Memcached + Gearman - overhead

What the f**k? Are you kidding me? Clearly this person has NEVER used memcached or Gearman in a production environment that had any actual load.

Back in the day, when URLs and filesystems had a 1:1 mapping, it made perfect sense to have a web server separate …





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Understanding B+tree Indexes and how they Impact Performance
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Indexes are a very important part of databases and are used frequently to speed up access to particular data item or items. So before working with indexes, it is important to understand how indexes work behind the scene and what is the data structure that is used to store these indexes, because unless you understand the inner working of an index, you will never be able to fully harness its power.

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