chore: remove RW_METRICS_LEVEL env (#500)

* chore: update RW_METRICS_LEVEL env to 'info'

* chore: update RW_METRICS_LEVEL env to 'info'

* chore: remove RW_METRICS_LEVEL env

Author: huangjw806

pkg/factory/envs/risingwave.go

@@ -38,7 +38,6 @@ const (
 	RWBackend                     = "RW_BACKEND"
 	RWMetaAddr                    = "RW_META_ADDR"
 	RWMetaAddrLegacy              = "RW_META_ADDRESS" // Will deprecate soon.
-	RWMetricsLevel                = "RW_METRICS_LEVEL"
 	RWPrometheusListenerAddr      = "RW_PROMETHEUS_LISTENER_ADDR"
 	RWParallelism                 = "RW_PARALLELISM"
 	RWTotalMemoryBytes            = "RW_TOTAL_MEMORY_BYTES"

pkg/factory/risingwave_object_factory.go

@@ -415,10 +415,6 @@ func (f *RisingWaveObjectFactory) envsForFrontendArgs() []corev1.EnvVar {
 			Name:  envs.RWMetaAddrLegacy,
 			Value: fmt.Sprintf("load-balance+http://%s:%d", f.componentAddr(consts.ComponentMeta, ""), consts.MetaServicePort),
 		},
-		{
-			Name:  envs.RWMetricsLevel,
-			Value: "1",
-		},
 		{
 			Name:  envs.RWPrometheusListenerAddr,
 			Value: fmt.Sprintf("0.0.0.0:%d", consts.FrontendMetricsPort),
@@ -448,10 +444,6 @@ func (f *RisingWaveObjectFactory) envsForComputeArgs(cpuLimit int64, memLimit in
 			Name:  envs.RWMetaAddrLegacy,
 			Value: fmt.Sprintf("load-balance+http://%s:%d", f.componentAddr(consts.ComponentMeta, ""), consts.MetaServicePort),
 		},
-		{
-			Name:  envs.RWMetricsLevel,
-			Value: "1",
-		},
 		{
 			Name:  envs.RWConnectorRPCEndPoint,
 			Value: fmt.Sprintf("%s:%d", f.componentAddr(consts.ComponentConnector, ""), consts.ConnectorServicePort),
@@ -505,10 +497,6 @@ func (f *RisingWaveObjectFactory) envsForCompactorArgs() []corev1.EnvVar {
 			Name:  envs.RWMetaAddrLegacy,
 			Value: fmt.Sprintf("load-balance+http://%s:%d", f.componentAddr(consts.ComponentMeta, ""), consts.MetaServicePort),
 		},
-		{
-			Name:  envs.RWMetricsLevel,
-			Value: "1",
-		},
 	}
 }