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using exp/rand to reduce memory usage #39

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merged 2 commits into from
Jun 16, 2023
Merged

using exp/rand to reduce memory usage #39

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b6b67d6
using exp/rand to reduce memory usage
realityone Jun 16, 2023
abb1a36
test
realityone Jun 16, 2023
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4 changes: 2 additions & 2 deletions circuitbreaker/sre/sre.go
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Expand Up @@ -2,13 +2,13 @@ package sre

import (
"math"
"math/rand"
"sync"
"sync/atomic"
"time"

"github.com/go-kratos/aegis/circuitbreaker"
"github.com/go-kratos/aegis/internal/window"
"golang.org/x/exp/rand"
)

// Option is sre breaker option function.
Expand Down Expand Up @@ -100,7 +100,7 @@ func NewBreaker(opts ...Option) circuitbreaker.CircuitBreaker {
stat := window.NewRollingCounter(counterOpts)
return &Breaker{
stat: stat,
r: rand.New(rand.NewSource(time.Now().UnixNano())),
r: rand.New(rand.NewSource(uint64(time.Now().UnixNano()))),
request: opt.request,
k: 1 / opt.success,
state: StateClosed,
Expand Down
2 changes: 1 addition & 1 deletion circuitbreaker/sre/sre_test.go
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Expand Up @@ -2,12 +2,12 @@ package sre

import (
"math"
"math/rand"
"testing"
"time"

"github.com/go-kratos/aegis/internal/window"
"github.com/stretchr/testify/assert"
"golang.org/x/exp/rand"
)

func getSREBreaker() *Breaker {
Expand Down
1 change: 1 addition & 0 deletions go.mod
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Expand Up @@ -8,6 +8,7 @@ require (
github.com/shirou/gopsutil/v3 v3.23.2
github.com/stretchr/testify v1.8.2
github.com/twmb/murmur3 v1.1.6
golang.org/x/exp v0.0.0-20230522175609-2e198f4a06a1
)

require (
Expand Down
2 changes: 2 additions & 0 deletions go.sum
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Expand Up @@ -35,6 +35,8 @@ github.com/twmb/murmur3 v1.1.6 h1:mqrRot1BRxm+Yct+vavLMou2/iJt0tNVTTC0QoIjaZg=
github.com/twmb/murmur3 v1.1.6/go.mod h1:Qq/R7NUyOfr65zD+6Q5IHKsJLwP7exErjN6lyyq3OSQ=
github.com/yusufpapurcu/wmi v1.2.2 h1:KBNDSne4vP5mbSWnJbO+51IMOXJB67QiYCSBrubbPRg=
github.com/yusufpapurcu/wmi v1.2.2/go.mod h1:SBZ9tNy3G9/m5Oi98Zks0QjeHVDvuK0qfxQmPyzfmi0=
golang.org/x/exp v0.0.0-20230522175609-2e198f4a06a1 h1:k/i9J1pBpvlfR+9QsetwPyERsqu1GIbi967PQMq3Ivc=
golang.org/x/exp v0.0.0-20230522175609-2e198f4a06a1/go.mod h1:V1LtkGg67GoY2N1AnLN78QLrzxkLyJw7RJb1gzOOz9w=
golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20201204225414-ed752295db88/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.2.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
Expand Down
2 changes: 1 addition & 1 deletion hotkey/hotkey_test.go
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Expand Up @@ -2,12 +2,12 @@ package hotkey

import (
"fmt"
"math/rand"
"strconv"
"testing"
"time"

"github.com/stretchr/testify/assert"
"golang.org/x/exp/rand"
)

func benchmarkHotkey(b *testing.B, autoCache bool, writePercent float64, whilelist ...*CacheRuleConfig) {
Expand Down
3 changes: 2 additions & 1 deletion internal/consistent/consistent_test.go
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Expand Up @@ -7,7 +7,6 @@ package consistent
import (
"bufio"
"encoding/base64"
"math/rand"
"os"
"runtime"
"sort"
Expand All @@ -16,6 +15,8 @@ import (
"testing"
"testing/quick"
"time"

"golang.org/x/exp/rand"
)

type member string
Expand Down
2 changes: 1 addition & 1 deletion ratelimit/bbr/bbr_test.go
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@@ -1,7 +1,6 @@
package bbr

import (
"math/rand"
"sync"
"sync/atomic"
"testing"
Expand All @@ -10,6 +9,7 @@ import (
"github.com/go-kratos/aegis/internal/window"
"github.com/go-kratos/aegis/ratelimit"
"github.com/stretchr/testify/assert"
"golang.org/x/exp/rand"
)

var (
Expand Down
2 changes: 1 addition & 1 deletion subset/subset_test.go
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Expand Up @@ -3,12 +3,12 @@ package subset
import (
"encoding/json"
"io/ioutil"
"math/rand"
"testing"

"github.com/go-kratos/aegis/internal/consistent"
"github.com/google/uuid"
"github.com/stretchr/testify/assert"
"golang.org/x/exp/rand"
)

type member string
Expand Down
3 changes: 1 addition & 2 deletions topk/heavykeeper.go
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Expand Up @@ -5,11 +5,10 @@ package topk

import (
"math"
"math/rand"

"github.com/go-kratos/aegis/internal/minheap"

"github.com/twmb/murmur3"
"golang.org/x/exp/rand"
)

const LOOKUP_TABLE = 256
Expand Down
2 changes: 1 addition & 1 deletion topk/heavykeeper_test.go
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Expand Up @@ -2,12 +2,12 @@ package topk

import (
"math"
"math/rand"
"strconv"
"testing"
"time"

"github.com/stretchr/testify/assert"
"golang.org/x/exp/rand"
)

func TestTopkList(t *testing.T) {
Expand Down