Merge pull request #1740 from josephschorr/clarify-interval-description

Clarify that the datastore-revision-quantization-max-staleness-percent is a float value

pkg/cmd/datastore/datastore.go

@@ -190,7 +190,7 @@ func RegisterDatastoreFlagsWithPrefix(flagSet *pflag.FlagSet, prefix string, opt
 	flagSet.DurationVar(&opts.GCInterval, flagName("datastore-gc-interval"), defaults.GCInterval, "amount of time between passes of garbage collection (postgres driver only)")
 	flagSet.DurationVar(&opts.GCMaxOperationTime, flagName("datastore-gc-max-operation-time"), defaults.GCMaxOperationTime, "maximum amount of time a garbage collection pass can operate before timing out (postgres driver only)")
 	flagSet.DurationVar(&opts.RevisionQuantization, flagName("datastore-revision-quantization-interval"), defaults.RevisionQuantization, "boundary interval to which to round the quantized revision")
-	flagSet.Float64Var(&opts.MaxRevisionStalenessPercent, flagName("datastore-revision-quantization-max-staleness-percent"), defaults.MaxRevisionStalenessPercent, "percentage of the revision quantization interval where we may opt to select a stale revision for performance reasons")
+	flagSet.Float64Var(&opts.MaxRevisionStalenessPercent, flagName("datastore-revision-quantization-max-staleness-percent"), defaults.MaxRevisionStalenessPercent, "float percentage (where 1 = 100%) of the revision quantization interval where we may opt to select a stale revision for performance reasons. Defaults to 0.1 (representing 10%)")
 	flagSet.BoolVar(&opts.ReadOnly, flagName("datastore-readonly"), defaults.ReadOnly, "set the service to read-only mode")
 	flagSet.StringSliceVar(&opts.BootstrapFiles, flagName("datastore-bootstrap-files"), defaults.BootstrapFiles, "bootstrap data yaml files to load")
 	flagSet.BoolVar(&opts.BootstrapOverwrite, flagName("datastore-bootstrap-overwrite"), defaults.BootstrapOverwrite, "overwrite any existing data with bootstrap data")