diff --git a/cogboard-app/src/main/kotlin/com/cognifide/cogboard/logStorage/LogController.kt b/cogboard-app/src/main/kotlin/com/cognifide/cogboard/logStorage/LogController.kt
index 134ad99c..ee6c0110 100644
--- a/cogboard-app/src/main/kotlin/com/cognifide/cogboard/logStorage/LogController.kt
+++ b/cogboard-app/src/main/kotlin/com/cognifide/cogboard/logStorage/LogController.kt
@@ -10,8 +10,11 @@ import io.knotx.server.api.handler.RoutingHandlerFactory
 import io.vertx.core.Handler
 import io.vertx.core.json.JsonArray
 import io.vertx.core.json.JsonObject
+import io.vertx.core.logging.Logger
+import io.vertx.core.logging.LoggerFactory
 import io.vertx.reactivex.core.Vertx
 import io.vertx.reactivex.ext.web.RoutingContext
+import java.time.Instant
 
 class LogController : RoutingHandlerFactory {
 
@@ -33,7 +36,15 @@ class LogController : RoutingHandlerFactory {
                 .getInteger(Props.LOG_LINES)
                 ?: LogViewerWidget.DEFAULT_LOG_LINES.toInt()
 
-        return fetchLogs(id, logLines)
+        return if (LOGGER.isDebugEnabled) {
+            val start = Instant.now()
+            val logs = fetchLogs(id, logLines)
+            val took = Instant.now().minusMillis(start.toEpochMilli()).toEpochMilli()
+            LOGGER.debug("DB query for $id took $took[ms] for getting $logLines (processed logs: ${logs.size})")
+            logs
+        } else {
+            fetchLogs(id, logLines)
+        }
     }
 
     private fun fetchLogs(id: String, logLines: Int): List<Log> {
@@ -45,4 +56,8 @@ class LogController : RoutingHandlerFactory {
                 .map { it.asLog() }
                 .sortedBy { it.seq }
     }
+
+    companion object {
+        val LOGGER: Logger = LoggerFactory.getLogger(LogController::class.java)
+    }
 }
diff --git a/cogboard-app/src/main/kotlin/com/cognifide/cogboard/logStorage/LogStorage.kt b/cogboard-app/src/main/kotlin/com/cognifide/cogboard/logStorage/LogStorage.kt
index 6fc99c2f..f977e28a 100644
--- a/cogboard-app/src/main/kotlin/com/cognifide/cogboard/logStorage/LogStorage.kt
+++ b/cogboard-app/src/main/kotlin/com/cognifide/cogboard/logStorage/LogStorage.kt
@@ -247,7 +247,7 @@ class LogStorage(
         private const val MONGO_SCHEME = "mongodb"
         private val MONGO_USERNAME = System.getenv("MONGO_USERNAME") ?: "root"
         private val MONGO_PASSWORD = System.getenv("MONGO_PASSWORD") ?: "root"
-        private val MONGO_HOST = System.getenv("MONGO_HOST") ?: "mongo"
+        private val MONGO_HOST = System.getenv("MONGO_HOST") ?: "mongo-logs-storage"
         private val MONGO_PORT = System.getenv("MONGO_PORT")?.toIntOrNull() ?: 27017
 
         /** Returns a shared instance of the Mongo client. */
diff --git a/cogboard-local-compose.yml b/cogboard-local-compose.yml
index 876a70d8..5b2ab9ac 100644
--- a/cogboard-local-compose.yml
+++ b/cogboard-local-compose.yml
@@ -5,6 +5,9 @@ networks:
     driver: overlay
     attachable: true
 
+volumes:
+  mongo-data:
+
 services:
   api-mocks:
     image: rodolpheche/wiremock
@@ -28,7 +31,7 @@ services:
       - COGBOARD_VERSION=${COGBOARD_VERSION}
       - MONGO_USERNAME=${MONGO_USER:-root}
       - MONGO_PASSWORD=${MONGO_PASSWORD:-root}
-      - MONGO_HOST=mongo
+      - MONGO_HOST=mongo-logs-storage
       - MONGO_PORT=27017
     volumes:
       - "./mnt:/data"
@@ -37,7 +40,7 @@ services:
 #    ports:
 #      - "18092:18092"
 
-  mongo:
+  mongo-logs-storage:
     image: mongo:4
     restart: always
     environment:
@@ -45,21 +48,21 @@ services:
       MONGO_INITDB_ROOT_PASSWORD: ${MONGO_PASSWORD:-root}
       MONGO_INITDB_DATABASE: "logs"
     volumes:
-      - "./mnt/mongo:/data/db"
+      - "mongo-data:/data/db"
     networks:
       - cognet
 
-  mongo-express:
-    image: mongo-express
-    restart: always
-    ports:
-      - 8099:8081
-    environment:
-      ME_CONFIG_MONGODB_ADMINUSERNAME: ${MONGO_USER:-root}
-      ME_CONFIG_MONGODB_ADMINPASSWORD: ${MONGO_PASSWORD:-root}
-      ME_CONFIG_MONGODB_URL: "mongodb://${MONGO_USER}:${MONGO_PASSWORD}@mongo:27017/"
-    networks:
-      - cognet
+  # mongo-logs-storage-viewer:
+  #   image: mongo-express
+  #   restart: always
+  #   ports:
+  #     - 8099:8081
+  #   environment:
+  #     ME_CONFIG_MONGODB_ADMINUSERNAME: ${MONGO_USER:-root}
+  #     ME_CONFIG_MONGODB_ADMINPASSWORD: ${MONGO_PASSWORD:-root}
+  #     ME_CONFIG_MONGODB_URL: "mongodb://${MONGO_USER}:${MONGO_PASSWORD}@mongo:27017/"
+  #   networks:
+  #     - cognet
 
   frontend:
     image: "cogboard/cogboard-web:${COGBOARD_VERSION}"
diff --git a/gradle/prepareCogboardCompose.gradle.kts b/gradle/prepareCogboardCompose.gradle.kts
index f3657d03..236b9baa 100644
--- a/gradle/prepareCogboardCompose.gradle.kts
+++ b/gradle/prepareCogboardCompose.gradle.kts
@@ -23,8 +23,8 @@ services:
     volumes:
       - "./mnt:/data"
   
-  mongo:
-    image: mongo
+  mongo-logs-storage:
+    image: mongo:4
     restart: always
     environment:
       MONGO_INITDB_ROOT_USERNAME: "$user"