Adding better calibration for the gcache in memory footprint based load type (#20)

Author: Tusamarco

src/mysqloperatorcalculator/Configuration.go

@@ -10,7 +10,7 @@ import (
 // Constants
 // ***********************************
 const (
-	VERSION = "v1.8.0"
+	VERSION = "v1.9.0"
 
 	OkI                    = 1001
 	ClosetolimitI          = 2001

src/mysqloperatorcalculator/configurator.go

@@ -270,7 +270,17 @@ func (c *Configurator) filterByMySQLVersion() map[string]Family {
 // calculate gcache effects on memory (estimation)
 func (c *Configurator) getGcache() {
 	c.reference.gcache = int64(float64(c.reference.innodbRedoLogDim) * c.reference.gcacheLoad)
-	c.reference.gcacheFootprint = int64(math.Ceil(float64(c.reference.gcache) * 0.3))
+	// Calculating the Gcache footprint based on the load factor and load type
+	gcacheFootPrintFactor := 0.3
+	switch c.reference.loadID {
+	case 1:
+		gcacheFootPrintFactor = gcacheFootPrintFactor
+	case 2:
+		gcacheFootPrintFactor = 0.4
+	case 3:
+		gcacheFootPrintFactor = 0.6
+	}
+	c.reference.gcacheFootprint = int64(math.Ceil(float64(c.reference.gcache) * gcacheFootPrintFactor))
 	c.reference.memoryLeftover -= c.reference.gcacheFootprint
 }