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bench.go
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bench.go
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package main
import (
"flag"
"fmt"
"github.com/ildus/pqt"
"log"
"os"
"os/signal"
"runtime"
"sync"
"sync/atomic"
"syscall"
"time"
)
var (
connections = flag.Int("connections", 0, "Connections count (by default number of cores)")
bench_time = flag.Int("bench_time", 60, "Bench time (seconds)")
counter uint64 = 0
)
const (
initinit = "CREATE EXTENSION clickhouse_fdw;"
initscript = `
DROP SCHEMA IF EXISTS clickhouse CASCADE;
DROP SERVER IF EXISTS loopback CASCADE;
CREATE SERVER loopback FOREIGN DATA WRAPPER clickhouse_fdw
OPTIONS(dbname 'regression', driver '%s');
CREATE USER MAPPING FOR CURRENT_USER SERVER loopback;
SELECT clickhousedb_raw_query('DROP DATABASE IF EXISTS regression');
SELECT clickhousedb_raw_query('CREATE DATABASE regression');
-- integer types
SELECT clickhousedb_raw_query('CREATE TABLE regression.ints (
c1 Int8, c2 Int16, c3 Int32, c4 Int64,
c5 UInt8, c6 UInt16, c7 UInt32, c8 UInt64,
c9 Float32, c10 Float64
) ENGINE = MergeTree PARTITION BY c1 ORDER BY (c1);
');
SELECT clickhousedb_raw_query('INSERT INTO regression.ints SELECT
number, number + 1, number + 2, number + 3, number + 4, number + 5,
number + 6, number + 7, number + 8.1, number + 9.2 FROM numbers(10);');
-- date and string types
SELECT clickhousedb_raw_query('CREATE TABLE regression.types (
c1 Date, c2 DateTime, c3 String, c4 FixedString(5), c5 UUID,
c6 Enum8(''one'' = 1, ''two'' = 2),
c7 Enum16(''one'' = 1, ''two'' = 2, ''three'' = 3)
) ENGINE = MergeTree PARTITION BY c1 ORDER BY (c1);
');
SELECT clickhousedb_raw_query('INSERT INTO regression.types SELECT
addDays(toDate(''1990-01-01''), number),
addMinutes(addSeconds(addDays(toDateTime(''1990-01-01 10:00:00''), number), number), number),
format(''number {0}'', toString(number)),
format(''num {0}'', toString(number)),
format(''f4bf890f-f9dc-4332-ad5c-0c18e73f28e{0}'', toString(number)),
''two'',
''three''
FROM numbers(10);');
-- array types
SELECT clickhousedb_raw_query('CREATE TABLE regression.arrays (
c1 Array(Int), c2 Array(String)
) ENGINE = MergeTree PARTITION BY c1 ORDER BY (c1);
');
SELECT clickhousedb_raw_query('INSERT INTO regression.arrays SELECT
[number, number + 1],
[format(''num{0}'', toString(number)), format(''num{0}'', toString(number + 1))]
FROM numbers(10);');
SELECT clickhousedb_raw_query('CREATE TABLE regression.tuples (
c1 Int8,
c2 Tuple(Int, String, Float32)
) ENGINE = MergeTree PARTITION BY c1 ORDER BY (c1);
');
SELECT clickhousedb_raw_query('INSERT INTO regression.tuples SELECT
number,
(number, toString(number), number + 1.0)
FROM numbers(10);');
CREATE SCHEMA clickhouse;
IMPORT FOREIGN SCHEMA "ok" FROM SERVER loopback INTO clickhouse;
`
)
var (
queries = []string{
"SELECT * FROM clickhouse.tuples;",
"SELECT * FROM clickhouse.arrays;",
"SELECT * FROM clickhouse.types;",
"SELECT * FROM clickhouse.ints;",
}
)
func listener(wg *sync.WaitGroup, chm chan int, node *pqt.PostgresNode) {
defer wg.Done()
conn := pqt.MakePostgresConn(node, "postgres")
defer conn.Close()
for query_idx := range chm {
sql := queries[query_idx]
rows := conn.Fetch(sql)
defer rows.Close()
for rows.Next() {
}
atomic.AddUint64(&counter, 1)
}
}
func processQueries(node *pqt.PostgresNode, init_sql string, title string) {
var wg sync.WaitGroup
chm := make(chan int, 1)
node.Execute("postgres", init_sql)
for i := 0; i < *connections; i++ {
wg.Add(1)
go listener(&wg, chm, node)
}
start_time := time.Now()
for {
for i := 0; i < len(queries); i++ {
chm <- i
if time.Since(start_time) > (time.Duration(*bench_time) * time.Second) {
goto end
}
}
}
end:
close(chm)
log.Printf("Processed in %s mode: %d", title, atomic.LoadUint64(&counter))
wg.Wait()
}
func main() {
var node *pqt.PostgresNode
defer func() {
if node != nil {
node.Stop()
}
if err := recover(); err != nil {
log.Fatal("Program is exiting with exception: ", err)
}
}()
go func() {
sigchan := make(chan os.Signal, 10)
signal.Notify(sigchan, os.Interrupt, syscall.SIGTERM)
<-sigchan
log.Println("Got interrupt signal. Exited")
os.Exit(0)
}()
flag.Parse()
node = pqt.MakePostgresNode("master")
node.Init()
node.AppendConf("postgresql.conf", "log_statement=none")
node.Start()
node.Execute("postgres", initinit)
if *connections <= 0 {
*connections = runtime.NumCPU()
}
log.Println("Number of connections: ", *connections)
processQueries(node, fmt.Sprintf(initscript, "http"), "http")
processQueries(node, fmt.Sprintf(initscript, "binary"), "binary")
}