启动时自动设置MySQL的max_prepared_stmt_count为65535

This commit is contained in:
刘祥超
2021-03-25 11:48:45 +08:00
parent 41b0ec4b40
commit d6058a9421

View File

@@ -17,6 +17,7 @@ import (
"github.com/iwind/TeaGo/dbs" "github.com/iwind/TeaGo/dbs"
"github.com/iwind/TeaGo/lists" "github.com/iwind/TeaGo/lists"
"github.com/iwind/TeaGo/logs" "github.com/iwind/TeaGo/logs"
"github.com/iwind/TeaGo/types"
stringutil "github.com/iwind/TeaGo/utils/string" stringutil "github.com/iwind/TeaGo/utils/string"
"google.golang.org/grpc" "google.golang.org/grpc"
"google.golang.org/grpc/credentials" "google.golang.org/grpc/credentials"
@@ -25,6 +26,7 @@ import (
"net" "net"
"os" "os"
"os/exec" "os/exec"
"regexp"
"strconv" "strconv"
"time" "time"
) )
@@ -55,6 +57,14 @@ func (this *APINode) Start() {
return return
} }
// 自动设置数据库
err = this.setupDB()
if err != nil {
logs.Println("[API_NODE]setup database '" + err.Error() + "'")
// 不阻断执行
}
// 数据库通知启动 // 数据库通知启动
dbs.NotifyReady() dbs.NotifyReady()
@@ -286,6 +296,34 @@ func (this *APINode) autoUpgrade() error {
return nil return nil
} }
// 自动设置数据库
func (this *APINode) setupDB() error {
db, err := dbs.Default()
if err != nil {
return err
}
// 调整预处理语句数量
{
result, err := db.FindOne("SHOW VARIABLES WHERE variable_name='max_prepared_stmt_count'")
if err != nil {
return err
}
value := result.GetString("Value")
if regexp.MustCompile(`^\d+$`).MatchString(value) {
valueInt := types.Int(value)
if valueInt < 65535 {
_, err := db.Exec("SET GLOBAL max_prepared_stmt_count=65535")
if err != nil {
return err
}
}
}
}
return nil
}
// 启动端口 // 启动端口
func (this *APINode) listenPorts(apiNode *models.APINode) (isListening bool) { func (this *APINode) listenPorts(apiNode *models.APINode) (isListening bool) {
// HTTP // HTTP