This commit is contained in:
2025-12-16 10:13:24 +08:00
parent 0d8f5b9600
commit 1b6f63e6ac
4 changed files with 466 additions and 27 deletions
+2 -11
View File
@@ -1,7 +1,6 @@
package db
import (
"authorization/helper"
"database/sql"
"fmt"
"log"
@@ -14,9 +13,6 @@ import (
// DB is the global database connection pool
var DB *sql.DB
// DBCircuitBreaker protects database operations
var DBCircuitBreaker *helper.CircuitBreaker
func InitDB() (*sql.DB, error) {
// Get connection details from environment variables (loaded in main)
connStr := fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?parseTime=true",
@@ -33,19 +29,14 @@ func InitDB() (*sql.DB, error) {
if err != nil {
return nil, fmt.Errorf("error opening database: %v", err)
}
// Initialize circuit breaker
DBCircuitBreaker = helper.NewCircuitBreaker("database", 5, 2*time.Second)
// Set connection pool parameters optimized for horizontal scaling
// Lower per-replica to allow more replicas without exhausting DB connections
DB.SetMaxOpenConns(25) // Maximum number of open connections to the database
DB.SetMaxIdleConns(10) // Maximum number of connections in the idle connection pool
DB.SetConnMaxLifetime(5 * time.Minute) // Maximum amount of time a connection may be reused
// Check if the database connection is working with circuit breaker
err = DBCircuitBreaker.Call(func() error {
return DB.Ping()
})
// Check if the database connection is working
err = DB.Ping()
if err != nil {
log.Printf("Database connection lost: %v. Reconnecting...", err)
DB, err = InitDB()