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benchmark of google public cache DNS server
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| curl 'http://s3.amazonaws.com/alexa-static/top-1m.csv.zip' | zcat -d | awk -F',' '{print $2}' | paste -d' ' - <(yes A | head -n 200000) > queries-200000.txt | |
| dnsperf -d queries-10000.txt -s 8.8.8.8 -p 53 -c 128 -t 10 -q 1000 -Q 1500 -S 1 2>&1 | grep -v -E 'Timeout|Warning' | |
| dnsperf -d queries-200000.tx -s 127.0.0.1 -p 53 -c 120000 -t 10 -q 20000 -Q 20000 -S 1 |
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