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- 2020-06-26
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- xenforo.xyz
Deferred join is powerful. Deferred join is simple. Deferred join is misunderstood.
A slight modification to traditional offset/limit pagination that can drastically boost performance.
aaronfrancis.com
Simple Query
SQL:
select * from t order by x limit 500, 20Optimized Query
SQL:
I have tested it on my production server (6KK threads)
I had run query to fetch 1000 page (?page=1000) in node contains 450 000 threads
Before optimization (LIMIT 30 OFFSET 29970): 7 seconds...
نام موضوع : Use "Deferred Join" for pagination (5x faster)
