u8views.com

Profile views counter

Development

Start local development session

cp .local.env .env
make env-up
make migrate-all-reset
make postgres-fixtures
make postgres-fixtures-count
# and
# make postgres-fixtures-clear

Run after code changes

make env-up

End development session

make env-down
# or
# make env-down-with-clear

Benchmark (PC) Intel(R) Core(TM) i7-8750H CPU @ 2.20GHz

BENCHTIME=100x make bench

BenchmarkProfileStatsService
BenchmarkProfileStatsService-12    	     100	    627990 ns/op	    5033 B/op	      80 allocs/op
PASS
ok  	github.com/u8views/go-u8views/internal/tests	0.088s

BENCHTIME=1000x make bench

BenchmarkProfileStatsService
BenchmarkProfileStatsService-12    	    1000	    449478 ns/op	    4124 B/op	      72 allocs/op
PASS
ok  	github.com/u8views/go-u8views/internal/tests	0.471s

BENCHTIME=10000x make bench

BenchmarkProfileStatsService
BenchmarkProfileStatsService-12    	   10000	    546875 ns/op	    4885 B/op	      81 allocs/op
PASS
ok  	github.com/u8views/go-u8views/internal/tests	5.492s

Benchmark (vultr.com VPS 1024.00 MB High Frequency) Intel Core Processor (Skylake, IBRS)

BENCHTIME=100x make bench

BenchmarkProfileStatsService
BenchmarkProfileStatsService 	     100	   2275173 ns/op	    1562 B/op	      43 allocs/op
PASS
ok  	github.com/u8views/go-u8views/internal/tests	0.360s

BENCHTIME=1000x make bench

BenchmarkProfileStatsService
BenchmarkProfileStatsService 	    1000	   2121516 ns/op	    1571 B/op	      44 allocs/op
PASS
ok  	github.com/u8views/go-u8views/internal/tests	2.153s

BENCHTIME=10000x make bench

BenchmarkProfileStatsService
BenchmarkProfileStatsService 	   10000	   2153319 ns/op	    1574 B/op	      44 allocs/op
PASS
ok  	github.com/u8views/go-u8views/internal/tests	21.566s

Database schema templates

• DrawSQL

Database schema

SQL

SELECT user_id, SUM(count), COUNT(*)
FROM profile_hourly_views_stats
GROUP BY user_id
ORDER BY SUM(count) DESC
LIMIT 100;

SELECT g.time::TIMESTAMP
FROM (
    SELECT time::TIMESTAMP
    FROM generate_series(
        (DATE_TRUNC('DAY', NOW()) - INTERVAL '1 MONTH')::TIMESTAMP,
        (DATE_TRUNC('DAY', NOW()))::TIMESTAMP,
        '1 DAY'::INTERVAL
    ) AS time
) AS g;

Stats

SELECT DATE_TRUNC('MONTH', time) AS month,
       COUNT(*)                  AS views,
       COUNT(DISTINCT (user_id)) AS users
FROM profile_hourly_views_stats
GROUP BY 1
ORDER BY 1;