Hacker News new | ask | show | jobs
by AnonHP 1564 days ago
How is the latency for such a setup? And how is the general browsing experience with said latency (I realize it also depends on which sites you frequently access)? I see some cloud providers/CDNs using a caching TTL as low as five minutes.
1 comments
justsomehnguy 1563 days ago
You spend most of the time waiting for the actual resolve to complete, not for the "transfer" time between you and VPS.

Source: I'm running Unbound on my notebook, I'm actually queried the stats for some heated discussion on reddit.

For example my current stats_noreset:

    histogram.000000.000512.to.000000.001024=17
    histogram.000000.001024.to.000000.002048=33
    histogram.000000.002048.to.000000.004096=251
    histogram.000000.004096.to.000000.008192=509
    histogram.000000.008192.to.000000.016384=1161
    histogram.000000.016384.to.000000.032768=1891
    histogram.000000.032768.to.000000.065536=2611
    histogram.000000.065536.to.000000.131072=3197
    histogram.000000.131072.to.000000.262144=2502
    histogram.000000.262144.to.000000.524288=1547
    histogram.000000.524288.to.000001.000000=857
    histogram.000001.000000.to.000002.000000=121
    histogram.000002.000000.to.000004.000000=70
    histogram.000004.000000.to.000008.000000=22
    histogram.000008.000000.to.000016.000000=441
    histogram.000016.000000.to.000032.000000=80
As you can see most of queries are completed in a way below 500ms. Adding another 20-40ms on top that doesn't change anything, because caching is a thing and with Unbound you can even ask to actually refresh the expiring records, so you would be served a fresh one from the cache every time, though I never bothered with it, it works fine even without it.
link