[Go/atreugo] Add Cached Queries test (#5826)

* Upgrade dependencies and fixes

* Add Cached Queries tests

* Fix typo

* Fix populate cache

* Upgrade atreugo to v11.3.4

* Fix requirements

frameworks/Go/atreugo/README.md

@@ -6,9 +6,10 @@ This is the go portion of a [benchmarking test suite](https://www.techempower.co
 
 ## Test URLs
 
-    http://localhost:8080/plaintext
     http://localhost:8080/json
     http://localhost:8080/db
     http://localhost:8080/queries?queries=[1-500]
-    http://localhost:8080/fortune
-    http://localhost:8080/update?queries=[1-500]
+    http://localhost:8080/cached-worlds?queries=[1-500]
+    http://localhost:8080/fortunes
+    http://localhost:8080/updates?queries=[1-500]
+    http://localhost:8080/plaintext

frameworks/Go/atreugo/benchmark_config.json

@@ -6,8 +6,9 @@
         "json_url": "/json",
         "db_url": "/db",
         "query_url": "/queries?queries=",
-        "fortune_url": "/fortune",
-        "update_url": "/update?queries=",
+        "cached_query_url": "/cached-worlds?queries=",
+        "fortune_url": "/fortunes",
+        "update_url": "/updates?queries=",
         "plaintext_url": "/plaintext",
         "port": 8080,
         "approach": "Realistic",
@@ -29,8 +30,9 @@
         "json_url": "/json",
         "db_url": "/db",
         "query_url": "/queries?queries=",
-        "fortune_url": "/fortune",
-        "update_url": "/update?queries=",
+        "cached_query_url": "/cached-worlds?queries=",
+        "fortune_url": "/fortunes",
+        "update_url": "/updates?queries=",
         "plaintext_url": "/plaintext",
         "port": 8080,
         "approach": "Realistic",

frameworks/Go/atreugo/src/go.mod

@@ -3,7 +3,7 @@ module atreugo/src
 go 1.14
 
 require (
-	github.com/jackc/pgx/v4 v4.6.0
-	github.com/savsgio/atreugo/v11 v11.3.3
+	github.com/jackc/pgx/v4 v4.7.1
+	github.com/savsgio/atreugo/v11 v11.3.4
 	github.com/valyala/quicktemplate v1.5.0
 )

frameworks/Go/atreugo/src/go.sum

@@ -1,3 +1,4 @@
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@@ -15,6 +16,7 @@ github.com/fasthttp/router v1.2.2/go.mod h1:7KEYuV4ieG9kNJqqxnH0pwIdO69cJCVhVqZx
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@@ -23,8 +25,11 @@ github.com/jackc/chunkreader/v2 v2.0.1/go.mod h1:odVSm741yZoC3dpHEUXIqA9tQRhFrgO
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@@ -37,26 +42,33 @@ github.com/jackc/pgproto3/v2 v2.0.0-alpha1.0.20190420180111-c116219b62db/go.mod
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 golang.org/x/crypto v0.0.0-20190411191339-88737f569e3a/go.mod h1:WFFai1msRO1wXaEeE5yQxYXgSfI8pQAWXbQop6sCtWE=
+golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20190820162420-60c769a6c586/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
-golang.org/x/crypto v0.0.0-20200323165209-0ec3e9974c59 h1:3zb4D3T4G8jdExgVU/95+vQXfpEPiMdCaZgmGVxjNHM=
+golang.org/x/crypto v0.0.0-20190911031432-227b76d455e7/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20200323165209-0ec3e9974c59/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
+golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9 h1:psW17arqaxU48Z5kZ0CQnkZWQJsqcURM6tKiBApRjXI=
+golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
+golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
+golang.org/x/mod v0.0.0-20190513183733-4bf6d317e70e/go.mod h1:mXi4GBBbnImb6dmsKGUJ2LatrhH/nqhxcFungHvyanc=
 golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
@@ -139,20 +164,30 @@ golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190813064441-fde4db37ae7a/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190826190057-c7b8b68b1456/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
+golang.org/x/text v0.3.3 h1:cokOdA+Jmi5PJGXLlLllQSgYigAEfHXJAERHVMaCc2k=
+golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20190425163242-31fd60d6bfdc/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
+golang.org/x/tools v0.0.0-20190621195816-6e04913cbbac/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 golang.org/x/tools v0.0.0-20190823170909-c4a336ef6a2f/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20191029041327-9cc4af7d6b2c/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20191029190741-b9c20aec41a5/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/xerrors v0.0.0-20190410155217-1f06c39b4373/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20190513163551-3ee3066db522/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7 h1:9zdDQZ7Thm29KFXgAX/+yaf3eVbP7djjWp/dXAppNCc=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/inconshreveable/log15.v2 v2.0.0-20180818164646-67afb5ed74ec/go.mod h1:aPpfJ7XW+gOuirDoZ8gHhLh3kZ1B08FtV2bbmy7Jv3s=
 gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=

frameworks/Go/atreugo/src/main.go

@@ -40,20 +40,25 @@ func main() {
 	}
 	defer views.CloseDB()
 
+	// init and populate worlds cache
+	views.PopulateWorldsCache()
+
 	// init atreugo server
 	server := atreugo.New(atreugo.Config{
-		Addr:    bindHost,
-		Name:    "Go",
-		Prefork: prefork,
+		Addr:                          bindHost,
+		Name:                          "Go",
+		Prefork:                       prefork,
+		DisableHeaderNamesNormalizing: true,
 	})
 
 	// init views
-	server.GET("/plaintext", views.Plaintext)
 	server.GET("/json", views.JSON)
 	server.GET("/db", views.DB)
 	server.GET("/queries", views.Queries)
-	server.GET("/fortune", views.FortuneQuick)
-	server.GET("/update", views.Update)
+	server.GET("/cached-worlds", views.CachedWorlds)
+	server.GET("/fortunes", views.FortunesQuick)
+	server.GET("/updates", views.Updates)
+	server.GET("/plaintext", views.Plaintext)
 
 	if err := server.ListenAndServe(); err != nil {
 		panic(err)

frameworks/Go/atreugo/src/views/db.go

@@ -14,9 +14,10 @@ const (
 	dbPaswd = "benchmarkdbpass"
 	dbName  = "hello_world"
 
-	worldSelectSQL   = "SELECT id, randomNumber FROM World WHERE id = $1"
-	worldUpdateSQL   = "UPDATE World SET randomNumber = $1 WHERE id = $2"
-	fortuneSelectSQL = "SELECT id, message FROM Fortune"
+	worldSelectSQL      = "SELECT id, randomNumber FROM World WHERE id = $1"
+	worldSelectCacheSQL = "SELECT id, randomNumber FROM World LIMIT $1"
+	worldUpdateSQL      = "UPDATE World SET randomNumber = $1 WHERE id = $2"
+	fortuneSelectSQL    = "SELECT id, message FROM Fortune"
 )
 
 var db *pgxpool.Pool

frameworks/Go/atreugo/src/views/utils.go

@@ -6,14 +6,12 @@ import (
 	"github.com/savsgio/atreugo/v11"
 )
 
-const worldsCount = 10000
-
 func queriesParam(ctx *atreugo.RequestCtx) int {
 	n := ctx.QueryArgs().GetUintOrZero("queries")
 	if n < 1 {
 		n = 1
-	} else if n > 500 {
-		n = 500
+	} else if n > maxWorlds {
+		n = maxWorlds
 	}
 
 	return n

frameworks/Go/atreugo/src/views/views.go

@@ -1,6 +1,7 @@
 package views
 
 import (
+	"context"
 	"sort"
 
 	"atreugo/src/templates"
@@ -9,12 +10,37 @@ import (
 	"github.com/savsgio/atreugo/v11"
 )
 
+var worldsCache *Worlds
+
 const (
 	helloWorldStr = "Hello, World!"
 
 	contentTypeHTML = "text/html; charset=utf-8"
 )
 
+// PopulateWorldsCache populates the worlds cache for the cache test
+func PopulateWorldsCache() {
+	worlds := &Worlds{W: make([]World, worldsCount)}
+
+	rows, err := db.Query(context.Background(), worldSelectCacheSQL, worldsCount)
+	if err != nil {
+		panic(err)
+	}
+
+	i := 0
+	for rows.Next() {
+		w := &worlds.W[i]
+
+		if err := rows.Scan(&w.ID, &w.RandomNumber); err != nil {
+			panic(err)
+		}
+
+		i++
+	}
+
+	worldsCache = worlds
+}
+
 // JSON . Test 1: JSON serialization.
 func JSON(ctx *atreugo.RequestCtx) error {
 	message := acquireMessage()
@@ -29,9 +55,8 @@ func JSON(ctx *atreugo.RequestCtx) error {
 // DB . Test 2: Single database query.
 func DB(ctx *atreugo.RequestCtx) error {
 	w := acquireWorld()
-	id := randomWorldNum()
 
-	db.QueryRow(ctx, worldSelectSQL, id).Scan(&w.ID, &w.RandomNumber) // nolint:errcheck
+	db.QueryRow(context.Background(), worldSelectSQL, randomWorldNum()).Scan(&w.ID, &w.RandomNumber) // nolint:errcheck
 	err := ctx.JSONResponse(w)
 
 	releaseWorld(w)
@@ -45,11 +70,9 @@ func Queries(ctx *atreugo.RequestCtx) error {
 	worlds := acquireWorlds()
 	worlds.W = worlds.W[:queries]
 
-	for i := range worlds.W {
+	for i := 0; i < queries; i++ {
 		w := &worlds.W[i]
-		id := randomWorldNum()
-
-		db.QueryRow(ctx, worldSelectSQL, id).Scan(&w.ID, &w.RandomNumber) // nolint:errcheck
+		db.QueryRow(context.Background(), worldSelectSQL, randomWorldNum()).Scan(&w.ID, &w.RandomNumber) // nolint:errcheck
 	}
 
 	err := ctx.JSONResponse(worlds.W)
@@ -59,12 +82,28 @@ func Queries(ctx *atreugo.RequestCtx) error {
 	return err
 }
 
-// FortuneQuick . Test 4: Fortunes.
-func FortuneQuick(ctx *atreugo.RequestCtx) error {
+// CachedWorlds . Test 4: Multiple cache queries:
+func CachedWorlds(ctx *atreugo.RequestCtx) error {
+	queries := queriesParam(ctx)
+	worlds := acquireWorlds()
+	worlds.W = worlds.W[:queries]
+
+	for i := 0; i < queries; i++ {
+		worlds.W[i] = worldsCache.W[randomWorldNum()-1]
+	}
+
+	err := ctx.JSONResponse(worlds.W)
+	releaseWorlds(worlds)
+
+	return err
+}
+
+// FortunesQuick . Test 5: Fortunes.
+func FortunesQuick(ctx *atreugo.RequestCtx) error {
 	fortune := templates.AcquireFortune()
 	fortunes := templates.AcquireFortunes()
 
-	rows, _ := db.Query(ctx, fortuneSelectSQL)
+	rows, _ := db.Query(context.Background(), fortuneSelectSQL)
 	for rows.Next() {
 		rows.Scan(&fortune.ID, &fortune.Message) // nolint:errcheck
 		fortunes.F = append(fortunes.F, *fortune)
@@ -87,17 +126,15 @@ func FortuneQuick(ctx *atreugo.RequestCtx) error {
 	return nil
 }
 
-// Update . Test 5: Database updates.
-func Update(ctx *atreugo.RequestCtx) error {
+// Updates . Test 6: Database updates.
+func Updates(ctx *atreugo.RequestCtx) error {
 	queries := queriesParam(ctx)
 	worlds := acquireWorlds()
 	worlds.W = worlds.W[:queries]
 
-	for i := range worlds.W {
+	for i := 0; i < queries; i++ {
 		w := &worlds.W[i]
-		id := randomWorldNum()
-
-		db.QueryRow(ctx, worldSelectSQL, id).Scan(&w.ID, &w.RandomNumber) // nolint:errcheck
+		db.QueryRow(context.Background(), worldSelectSQL, randomWorldNum()).Scan(&w.ID, &w.RandomNumber) // nolint:errcheck
 		w.RandomNumber = int32(randomWorldNum())
 	}
 
@@ -108,12 +145,12 @@ func Update(ctx *atreugo.RequestCtx) error {
 
 	batch := &pgx.Batch{}
 
-	for i := range worlds.W {
+	for i := 0; i < queries; i++ {
 		w := &worlds.W[i]
 		batch.Queue(worldUpdateSQL, w.RandomNumber, w.ID)
 	}
 
-	db.SendBatch(ctx, batch).Close()
+	db.SendBatch(context.Background(), batch).Close()
 	err := ctx.JSONResponse(worlds.W)
 
 	releaseWorlds(worlds)
@@ -121,7 +158,7 @@ func Update(ctx *atreugo.RequestCtx) error {
 	return err
 }
 
-// Plaintext . Test 6: Plaintext.
+// Plaintext . Test 7: Plaintext.
 func Plaintext(ctx *atreugo.RequestCtx) error {
 	return ctx.TextResponse(helloWorldStr)
 }

frameworks/Go/atreugo/src/views/world.go

@@ -4,6 +4,11 @@ import (
 	"sync"
 )
 
+const (
+	maxWorlds   = 500
+	worldsCount = 10000
+)
+
 var worldPool = &sync.Pool{
 	New: func() interface{} {
 		return new(World)
@@ -13,7 +18,7 @@ var worldPool = &sync.Pool{
 var worldsPool = &sync.Pool{
 	New: func() interface{} {
 		return &Worlds{
-			W: make([]World, 0, 512),
+			W: make([]World, 0, maxWorlds),
 		}
 	},
 }