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Merge pull request #1743 from LazyDBA247-Anyvision/master

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MYSQL - Better Connection Pool Control
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Chris Lu 2021-01-14 00:04:44 -08:00 committed by GitHub
commit ae812c07d6
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3 changed files with 9 additions and 4 deletions
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6
k8s/seaweedfs/values.yaml
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@ -298,8 +298,10 @@ filer:
WEED_MYSQL_HOSTNAME: "mysql-db-host"
WEED_MYSQL_PORT: "3306"
WEED_MYSQL_DATABASE: "sw_database"
WEED_MYSQL_CONNECTION_MAX_IDLE: "10"
WEED_MYSQL_CONNECTION_MAX_OPEN: "150"
WEED_MYSQL_CONNECTION_MAX_IDLE: "5"
WEED_MYSQL_CONNECTION_MAX_OPEN: "75"
# "refresh" connection every 10 minutes, eliminating mysql closing "old" connections
WEED_MYSQL_CONNECTION_MAX_LIFETIME_SECONDS: "600"
# enable usage of memsql as filer backend
WEED_MYSQL_INTERPOLATEPARAMS: "true"
WEED_LEVELDB2_ENABLED: "false"

1
weed/command/scaffold.go
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@ -118,6 +118,7 @@ password = ""
database = "" # create or use an existing database
connection_max_idle = 2
connection_max_open = 100
connection_max_lifetime_seconds = 0
interpolateParams = false
[postgres] # or cockroachdb

6
weed/filer/mysql/mysql_store.go
View File

@ -35,12 +35,13 @@ func (store *MysqlStore) Initialize(configuration util.Configuration, prefix str
configuration.GetString(prefix+"database"),
configuration.GetInt(prefix+"connection_max_idle"),
configuration.GetInt(prefix+"connection_max_open"),
configuration.GetInt(prefix+"connection_max_lifetime_seconds"),
configuration.GetBool(prefix+"interpolateParams"),
)
}
func (store *MysqlStore) initialize(user, password, hostname string, port int, database string, maxIdle, maxOpen int,
interpolateParams bool) (err error) {
func (store *MysqlStore) initialize(user, password, hostname string, port int, database string, maxIdle, maxOpen,
maxLifetimeSeconds int, interpolateParams bool) (err error) {
//
store.SqlInsert = "INSERT INTO filemeta (dirhash,name,directory,meta) VALUES(?,?,?,?)"
store.SqlUpdate = "UPDATE filemeta SET meta=? WHERE dirhash=? AND name=? AND directory=?"
@ -65,6 +66,7 @@ func (store *MysqlStore) initialize(user, password, hostname string, port int, d
store.DB.SetMaxIdleConns(maxIdle)
store.DB.SetMaxOpenConns(maxOpen)
store.DB.SetConnMaxLifetime(maxLifetimeSeconds*time.Second)
if err = store.DB.Ping(); err != nil {
return fmt.Errorf("connect to %s error:%v", sqlUrl, err)