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better mysql connection pool management
adding SetConnMaxLifetime configuration (https://golang.org/pkg/database/sql/#DB.SetConnMaxLifetime) to enable refresh of connections.
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parent
f17aa1d06c
commit
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@ -118,6 +118,7 @@ password = ""
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database = "" # create or use an existing database
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database = "" # create or use an existing database
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connection_max_idle = 2
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connection_max_idle = 2
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connection_max_open = 100
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connection_max_open = 100
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connection_max_lifetime_seconds = 0
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interpolateParams = false
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interpolateParams = false
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[postgres] # or cockroachdb
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[postgres] # or cockroachdb
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@ -35,12 +35,13 @@ func (store *MysqlStore) Initialize(configuration util.Configuration, prefix str
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configuration.GetString(prefix+"database"),
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configuration.GetString(prefix+"database"),
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configuration.GetInt(prefix+"connection_max_idle"),
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configuration.GetInt(prefix+"connection_max_idle"),
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configuration.GetInt(prefix+"connection_max_open"),
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configuration.GetInt(prefix+"connection_max_open"),
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configuration.GetInt(prefix+"connection_max_lifetime_seconds"),
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configuration.GetBool(prefix+"interpolateParams"),
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configuration.GetBool(prefix+"interpolateParams"),
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)
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)
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}
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}
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func (store *MysqlStore) initialize(user, password, hostname string, port int, database string, maxIdle, maxOpen int,
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func (store *MysqlStore) initialize(user, password, hostname string, port int, database string, maxIdle, maxOpen,
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interpolateParams bool) (err error) {
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maxLifetimeSeconds int, interpolateParams bool) (err error) {
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//
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//
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store.SqlInsert = "INSERT INTO filemeta (dirhash,name,directory,meta) VALUES(?,?,?,?)"
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store.SqlInsert = "INSERT INTO filemeta (dirhash,name,directory,meta) VALUES(?,?,?,?)"
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store.SqlUpdate = "UPDATE filemeta SET meta=? WHERE dirhash=? AND name=? AND directory=?"
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store.SqlUpdate = "UPDATE filemeta SET meta=? WHERE dirhash=? AND name=? AND directory=?"
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@ -65,6 +66,7 @@ func (store *MysqlStore) initialize(user, password, hostname string, port int, d
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store.DB.SetMaxIdleConns(maxIdle)
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store.DB.SetMaxIdleConns(maxIdle)
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store.DB.SetMaxOpenConns(maxOpen)
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store.DB.SetMaxOpenConns(maxOpen)
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store.DB.SetConnMaxLifetime(maxLifetimeSeconds*time.Second)
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if err = store.DB.Ping(); err != nil {
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if err = store.DB.Ping(); err != nil {
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return fmt.Errorf("connect to %s error:%v", sqlUrl, err)
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return fmt.Errorf("connect to %s error:%v", sqlUrl, err)
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