Searching We Love Privacy Club

Twts matching #cache
Sort by: Newest, Oldest, Most Relevant

Oh gawd. I can’t enable caching on my edge proxy everywhere 😱 Some shit™ doesn’t deal with a caching reverse proxy in front of it very well …
Oh gawd. I can’t enable caching on my edge proxy everywhere 😱 Some shit™ doesn’t deal with a caching reverse proxy in front of it very well for some reason I don’t have time to dig into right now 🤔 ⌘ Read more

⤋ Read More

**(#7yfkzjq) * Page size 1MB

  • Median 50 pages per query

  • 80% pages cached

  • 200us SSD reads

  • 100us Memory reads

  • Query time:

    • (50x0.80x10 …**
  • Page size 1MB

  • Median 50 pages per query

  • 80% pages cached

  • 200us SSD reads

  • 100us Memory reads

  • Query time:

    • (50x0.80x100)+(50x0.20x200)‎ = 6,000

    • 6000us

    • 6ms ⌘ Read more

⤋ Read More

**Problem 2: Your SSD-backed database has a usage-pattern that rewards you with a 80% page-cache hit-rate (i.e. 80% of disk reads are served d …**
Problem 2: Your SSD-backed database has a usage-pattern that rewards you with a 80% page-cache hit-rate (i.e. 80% of disk reads are served directly out of memory instead of going to the SSD). The median is 50 distinct disk pages for a query to gather its query results (e.g. InnoDB pages in MySQL). What is the expected average query time from your database?

Share your solution via Twtxt … ⌘ Read more

⤋ Read More