View and compare the results at https://www.techempower.com/benchmarks/#section=test&runid=e4388834-e02e-45e6-92ed-929bfe264a56 and see that vertx-web-kotlinx-exposed-r2dbc-postgresql-separate-pool-size-8 wins

Author: ShreckYe

frameworks/Kotlin/vertx-web-kotlinx/vertx-web-kotlinx-exposed-r2dbc-postgresql-separate-pool-size-1.dockerfile

@@ -2,9 +2,9 @@ import database.r2dbcConnectPool
 
 suspend fun main(args: Array<String>) {
     // Parse CLI arguments
-    val isSharedPool = args.getOrNull(0)?.toBooleanStrictOrNull() ?: true
-    val poolSize = args.getOrNull(1)?.toIntOrNull() ?: 512
-    val useOptimizedConfig = args.getOrNull(2)?.toBooleanStrictOrNull() ?: true
+    val isSharedPool = args.getOrNull(0)?.toBooleanStrictOrNull() ?: false
+    val poolSize = args.getOrNull(1)?.toIntOrNull() ?: 8
+    val useOptimizedConfig = args.getOrNull(2)?.toBooleanStrictOrNull() ?: false
 
     val benchmarkName = buildString {
         append("Vert.x-Web Kotlinx with Exposed R2DBC (and PostgreSQL)")

frameworks/Kotlin/vertx-web-kotlinx/vertx-web-kotlinx-exposed-r2dbc-postgresql-separate-pool-size-8-optimized.dockerfile

@@ -1,13 +1,13 @@
 import database.connectionPoolOptimized
 import database.connectionPoolOriginal
 import io.r2dbc.spi.ConnectionFactory
-import kotlinx.coroutines.reactive.awaitSingle
 
 suspend fun main(args: Array<String>) {
     // Parse CLI arguments
-    val isSharedPool = args.getOrNull(0)?.toBooleanStrictOrNull() ?: true
-    val poolSize = args.getOrNull(1)?.toIntOrNull() ?: 512
-    val useOptimizedConfig = args.getOrNull(2)?.toBooleanStrictOrNull() ?: true
+    val isSharedPool = args.getOrNull(0)?.toBooleanStrictOrNull() ?: false
+    val poolSize = args.getOrNull(1)?.toIntOrNull()
+        ?: 8 // TODO `1` might produce equivalent results because there is no transaction in this portion compared to `exposed-r2dbc`.
+    val useOptimizedConfig = args.getOrNull(2)?.toBooleanStrictOrNull() ?: false
 
     val benchmarkName = buildString {
         append("Vert.x-Web Kotlinx with R2DBC (and PostgreSQL)")