diff --git a/cmd/jaeger/config-cassandra.yaml b/cmd/jaeger/config-cassandra.yaml
index 0076fa48fd0..582e870de12 100644
--- a/cmd/jaeger/config-cassandra.yaml
+++ b/cmd/jaeger/config-cassandra.yaml
@@ -24,6 +24,12 @@ extensions:
         cassandra:
           schema: 
             keyspace: "jaeger_v1_dc1"
+            datacenter: "test"
+            trace_ttl: 172800
+            dependencies_ttl: 172800
+            replication_factor: 1
+            cas_version: 4
+            compaction_window: "1m"
           connection:
             auth: 
               basic:
@@ -35,6 +41,12 @@ extensions:
         cassandra:
           schema: 
             keyspace: "jaeger_v1_dc1"
+            datacenter: "test"
+            trace_ttl: 172800
+            dependencies_ttl: 172800
+            replication_factor: 1
+            cas_version: 4
+            compaction_window: "1m"
           connection: 
             auth:
               basic: 
diff --git a/pkg/cassandra/config/config.go b/pkg/cassandra/config/config.go
index 05e35f19e65..23fa3b0767a 100644
--- a/pkg/cassandra/config/config.go
+++ b/pkg/cassandra/config/config.go
@@ -52,15 +52,15 @@ type Connection struct {
 }
 
 type SchemaConfig struct {
-	Datacenter           string `mapstructure:"datacenter"`
-	TraceTTL             int    `mapstructure:"trace_ttl"`
-	DependenciesTTL      int    `mapstructure:"dependencies_ttl"`
-	ReplicationFactor    int    `mapstructure:"replication_factor"`
-	CasVersion           int    `mapstructure:"cas_version"`
-	CompactionWindow     string `mapstructure:"compaction_window"`
-	Replication          string `mapstructure:"replication"`
-	CompactionWindowSize int    `mapstructure:"compaction_window_size"`
-	CompactionWindowUnit string `mapstructure:"compaction_window_unit"`
+	Datacenter           string `mapstructure:"datacenter" valid:"optional"`
+	TraceTTL             int    `mapstructure:"trace_ttl" valid:"optional"`
+	DependenciesTTL      int    `mapstructure:"dependencies_ttl" valid:"optional"`
+	ReplicationFactor    int    `mapstructure:"replication_factor" valid:"optional"`
+	CasVersion           int    `mapstructure:"cas_version" valid:"optional"`
+	CompactionWindow     string `mapstructure:"compaction_window" valid:"optional"`
+	Replication          string `mapstructure:"replication" valid:"optional"`
+	CompactionWindowSize int    `mapstructure:"compaction_window_size" valid:"optional"`
+	CompactionWindowUnit string `mapstructure:"compaction_window_unit" valid:"optional"`
 }
 
 type Schema struct {
diff --git a/plugin/storage/cassandra/schema/schema.go b/plugin/storage/cassandra/schema/schema.go
index ff36b3a9920..7f002dd5ca6 100644
--- a/plugin/storage/cassandra/schema/schema.go
+++ b/plugin/storage/cassandra/schema/schema.go
@@ -12,16 +12,6 @@ import (
 	"github.com/jaegertracing/jaeger/pkg/cassandra/config"
 )
 
-/*
-	SchemaConfig might contain some unset values for which we apply defaults.
-	There are other configs which needs to be created based on other configs.
-	Currently, below are the 3 properties which has to be created:
-
-	Replication
-	CompactionWindowSize
-	CompactionWindowUnit
-*/
-
 //go:embed v004-go-tmpl.cql.tmpl
 //go:embed v004-go-tmpl-test.cql.tmpl
 var schemaFile embed.FS
@@ -63,22 +53,20 @@ func applyDefaults(cfg *config.Schema) {
 	}
 }
 
+// Applies defaults for the configs and contructs other optional parameters from it
 func constructCompleteSchemaConfig(cfg *config.Schema) error {
 	applyDefaults(cfg)
 
 	cfg.Replication = fmt.Sprintf("{'class': 'NetworkTopologyStrategy', '%s': '%v' }", cfg.Datacenter, cfg.ReplicationFactor)
 
 	if cfg.CompactionWindow != "" {
-		/*
-			TODO: Add below checks in govalidator
-		*/
 		isMatch, err := regexp.MatchString("^[0-9]+[mhd]$", cfg.CompactionWindow)
 		if err != nil {
 			return err
 		}
 
 		if !isMatch {
-			return fmt.Errorf("Invalid compaction window size format. Please use numeric value followed by 'm' for minutes, 'h' for hours, or 'd' for days.")
+			return fmt.Errorf("Invalid compaction window size format. Please use numeric value followed by 'm' for minutes, 'h' for hours, or 'd' for days")
 		}
 
 		cfg.CompactionWindowSize, err = strconv.Atoi(cfg.CompactionWindow[:len(cfg.CompactionWindow)-1])
@@ -175,6 +163,11 @@ func getCassandraQueriesFromQueryStrings(session cassandra.Session, queries []st
 }
 
 func contructSchemaQueries(session cassandra.Session, cfg *config.Schema) ([]cassandra.Query, error) {
+	err := constructCompleteSchemaConfig(cfg)
+	if err != nil {
+		return nil, err
+	}
+
 	queryFile, err := getQueryFileAsBytes(`v004-go-tmpl.cql.tmpl`, cfg)
 	if err != nil {
 		return nil, err