diff --git a/airbyte-integrations/connectors/destination-snowflake/gradle.properties b/airbyte-integrations/connectors/destination-snowflake/gradle.properties
new file mode 100644
index 000000000000..970d64da6760
--- /dev/null
+++ b/airbyte-integrations/connectors/destination-snowflake/gradle.properties
@@ -0,0 +1 @@
+numberThreads=2
diff --git a/build.gradle b/build.gradle
index 92b6795eab0c..4804f904ac9f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -342,6 +342,7 @@ subprojects { subproj ->
     // make tag accessible in submodules.
     ext {
         cloudStorageTestTagName = 'cloud-storage'
+        numberThreads = project.hasProperty('numberThreads') ? project.getProperty('numberThreads') : Runtime.runtime.availableProcessors() ?: 1
     }
 
     spotbugs {
@@ -354,7 +355,9 @@ subprojects { subproj ->
     }
 
     test {
-        maxParallelForks = Runtime.runtime.availableProcessors() ?: 1
+        //This allows to set up a `gradle.properties` file inside the connector folder to reduce number of threads and reduce parallelization.
+        //Specially useful for connectors that shares resources (like Redshift or Snowflake).
+        maxParallelForks = numberThreads
 
         jacoco {
             enabled = true
diff --git a/buildSrc/src/main/groovy/airbyte-integration-test-java.gradle b/buildSrc/src/main/groovy/airbyte-integration-test-java.gradle
index 12562719749c..1dd892875bb9 100644
--- a/buildSrc/src/main/groovy/airbyte-integration-test-java.gradle
+++ b/buildSrc/src/main/groovy/airbyte-integration-test-java.gradle
@@ -45,8 +45,11 @@ class AirbyteIntegrationTestJavaPlugin implements Plugin<Project> {
                 dependsOn project.airbyteDocker
             }
 
+            //This allows to set up a `gradle.properties` file inside the connector folder to reduce number of threads and reduce parallelization.
+            //Specially useful for connectors that shares resources (like Redshift or Snowflake).
+            ext.numberThreads = project.hasProperty('numberThreads') ? project.getProperty('numberThreads') : Runtime.runtime.availableProcessors() ?: 1
             maxHeapSize = '3g'
-            maxParallelForks = Runtime.runtime.availableProcessors() ?: 1
+            maxParallelForks = numberThreads
 
             // This is needed to make the destination-snowflake tests succeed - https://github.com/snowflakedb/snowflake-jdbc/issues/589#issuecomment-983944767
             jvmArgs = ["--add-opens=java.base/java.nio=ALL-UNNAMED"]
diff --git a/buildSrc/src/main/groovy/airbyte-performance-test-java.gradle b/buildSrc/src/main/groovy/airbyte-performance-test-java.gradle
index 3bb163373668..38e8ab20fbdf 100644
--- a/buildSrc/src/main/groovy/airbyte-performance-test-java.gradle
+++ b/buildSrc/src/main/groovy/airbyte-performance-test-java.gradle
@@ -22,7 +22,7 @@ class AirbytePerformanceTestJavaPlugin implements Plugin<Project> {
         }
 
         project.task('performanceTestJava', type: Test) {
-            testClassesDirs += project.sourceSets.performanceTestJava.output.classesDirs
+            testClassesDirs = project.sourceSets.performanceTestJava.output.classesDirs
             classpath += project.sourceSets.performanceTestJava.runtimeClasspath
 
             systemProperty "cpuLimit", System.getProperty("cpuLimit")