diff --git a/src/main/java/com/kamco/cd/training/postgres/entity/ModelHyperParamEntity.java b/src/main/java/com/kamco/cd/training/postgres/entity/ModelHyperParamEntity.java
index 0c65bf6..99a4b59 100644
--- a/src/main/java/com/kamco/cd/training/postgres/entity/ModelHyperParamEntity.java
+++ b/src/main/java/com/kamco/cd/training/postgres/entity/ModelHyperParamEntity.java
@@ -181,15 +181,15 @@ public class ModelHyperParamEntity {
   private String metrics = "mFscore,mIoU";
 
   /** Default: changed_fscore */
-  @Size(max = 100)
+  @Size(max = 50)
   @NotNull
-  @Column(name = "save_best", nullable = false, length = 100)
+  @Column(name = "save_best", nullable = false, length = 50)
   private String saveBest = "changed_fscore";
 
   /** Default: greater */
-  @Size(max = 100)
+  @Size(max = 50)
   @NotNull
-  @Column(name = "save_best_rule", nullable = false, length = 100)
+  @Column(name = "save_best_rule", nullable = false, length = 50)
   private String saveBestRule = "greater";
 
   /** Default: 1 */