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In web apps, the first thing you do is start looking at DB queries. How many, how complex, etc. Reducing the number of queries and making those queries as simpl
by ubernostrum 9y ago
In web apps, the first thing you do is start looking at DB queries. How many, how complex, etc. Reducing the number of queries and making those queries as simple/fast as possible accounts for at least the first quarter of my hypothetical "first 1000 things you do to try to improve performance" list.
Also, regarding scale: the number of entities operating at AmaFaceGoog scale is small. The number of entities operating even within an order of magnitude or two of them is small. The odds are very much against any advice relevant only at that scale being relevant to the average Hacker News reader.