diff --git a/NEWS.md b/NEWS.md
index 4d32578ff..f2bed6a2e 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,4 +1,5 @@
 ## 2024-xx-xx 5.8.0-SNAPSHOT
+* [MODSOURCE-733](https://issues.folio.org/browse/MODSOURCE-733) Reduce Memory Allocation of Strings
 * [MODSOURCE-506](https://issues.folio.org/browse/MODSOURCE-506) Remove rawRecord field from source record
 * [MODSOURCE-709](https://issues.folio.org/browse/MODSOURCE-709) MARC authority record is not created when use Job profile with match profile by absent subfield/field
 * [MODSOURCE-677](https://issues.folio.org/browse/MODSOURCE-677)  Import is completed with errors when control field that differs from 001 is used for marc-to-marc matching
diff --git a/mod-source-record-storage-server/pom.xml b/mod-source-record-storage-server/pom.xml
index 2bb4333c3..676a1871e 100644
--- a/mod-source-record-storage-server/pom.xml
+++ b/mod-source-record-storage-server/pom.xml
@@ -188,7 +188,7 @@
     <dependency>
       <groupId>org.folio</groupId>
       <artifactId>folio-kafka-wrapper</artifactId>
-      <version>3.0.0</version>
+      <version>3.1.0-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>net.mguenther.kafka</groupId>
diff --git a/mod-source-record-storage-server/src/main/java/org/folio/consumers/DataImportKafkaHandler.java b/mod-source-record-storage-server/src/main/java/org/folio/consumers/DataImportKafkaHandler.java
index 57f2dd2f0..2336f5148 100644
--- a/mod-source-record-storage-server/src/main/java/org/folio/consumers/DataImportKafkaHandler.java
+++ b/mod-source-record-storage-server/src/main/java/org/folio/consumers/DataImportKafkaHandler.java
@@ -4,13 +4,13 @@
 import io.vertx.core.Promise;
 import io.vertx.core.Vertx;
 import io.vertx.core.json.Json;
+import io.vertx.core.json.jackson.DatabindCodec;
 import io.vertx.kafka.client.consumer.KafkaConsumerRecord;
 
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 import org.folio.DataImportEventPayload;
 import org.folio.dataimport.util.OkapiConnectionParams;
-import org.folio.dbschema.ObjectMapperTool;
 import org.folio.kafka.AsyncRecordHandler;
 import org.folio.processing.events.EventManager;
 import org.folio.processing.exceptions.EventProcessingException;
@@ -29,7 +29,7 @@
 
 @Component
 @Qualifier("DataImportKafkaHandler")
-public class DataImportKafkaHandler implements AsyncRecordHandler<String, String> {
+public class DataImportKafkaHandler implements AsyncRecordHandler<String, byte[]> {
 
   private static final Logger LOGGER = LogManager.getLogger();
 
@@ -48,14 +48,14 @@ public DataImportKafkaHandler(Vertx vertx, JobProfileSnapshotCache profileSnapsh
   }
 
   @Override
-  public Future<String> handle(KafkaConsumerRecord<String, String> targetRecord) {
+  public Future<String> handle(KafkaConsumerRecord<String, byte[]> targetRecord) {
     LOGGER.trace("handle:: Handling kafka record: {}", targetRecord);
     String recordId = extractHeaderValue(RECORD_ID_HEADER, targetRecord.headers());
     String chunkId = extractHeaderValue(CHUNK_ID_HEADER, targetRecord.headers());
     String userId = extractHeaderValue(USER_ID_HEADER, targetRecord.headers());
     try {
       Promise<String> promise = Promise.promise();
-      Event event = ObjectMapperTool.getMapper().readValue(targetRecord.value(), Event.class);
+      Event event = DatabindCodec.mapper().readValue(targetRecord.value(), Event.class);
       DataImportEventPayload eventPayload = Json.decodeValue(event.getEventPayload(), DataImportEventPayload.class);
       LOGGER.debug("handle:: Data import event payload has been received with event type: '{}' by jobExecutionId: '{}' and recordId: '{}' and chunkId: '{}' and userId: '{}'",
         eventPayload.getEventType(), eventPayload.getJobExecutionId(), recordId, chunkId, userId);
diff --git a/mod-source-record-storage-server/src/main/java/org/folio/consumers/ParsedRecordChunksKafkaHandler.java b/mod-source-record-storage-server/src/main/java/org/folio/consumers/ParsedRecordChunksKafkaHandler.java
index 46908a125..e9cdbe4e7 100644
--- a/mod-source-record-storage-server/src/main/java/org/folio/consumers/ParsedRecordChunksKafkaHandler.java
+++ b/mod-source-record-storage-server/src/main/java/org/folio/consumers/ParsedRecordChunksKafkaHandler.java
@@ -4,6 +4,7 @@
 import io.vertx.core.Promise;
 import io.vertx.core.Vertx;
 import io.vertx.core.json.Json;
+import io.vertx.core.json.jackson.DatabindCodec;
 import io.vertx.kafka.client.consumer.KafkaConsumerRecord;
 import io.vertx.kafka.client.producer.KafkaHeader;
 import io.vertx.kafka.client.producer.KafkaProducer;
@@ -37,7 +38,7 @@
 import static org.folio.services.util.KafkaUtil.extractHeaderValue;
 
 @Component
-public class ParsedRecordChunksKafkaHandler implements AsyncRecordHandler<String, String> {
+public class ParsedRecordChunksKafkaHandler implements AsyncRecordHandler<String, byte[]> {
   private static final Logger LOGGER = LogManager.getLogger();
 
   public static final String JOB_EXECUTION_ID_HEADER = "jobExecutionId";
@@ -65,7 +66,7 @@ public ParsedRecordChunksKafkaHandler(@Autowired RecordService recordService,
   }
 
   @Override
-  public Future<String> handle(KafkaConsumerRecord<String, String> targetRecord) {
+  public Future<String> handle(KafkaConsumerRecord<String, byte[]> targetRecord) {
     LOGGER.trace("handle:: Handling kafka record: {}", targetRecord);
     String jobExecutionId = extractHeaderValue(JOB_EXECUTION_ID_HEADER, targetRecord.headers());
     String chunkId = extractHeaderValue(CHUNK_ID_HEADER, targetRecord.headers());
@@ -74,7 +75,7 @@ public Future<String> handle(KafkaConsumerRecord<String, String> targetRecord) {
     String key = targetRecord.key();
 
     try {
-      Event event = Json.decodeValue(targetRecord.value(), Event.class);
+      Event event = DatabindCodec.mapper().readValue(targetRecord.value(), Event.class);
       RecordCollection recordCollection = Json.decodeValue(event.getEventPayload(), RecordCollection.class);
 
       List<KafkaHeader> kafkaHeaders = targetRecord.headers();
@@ -93,7 +94,7 @@ public Future<String> handle(KafkaConsumerRecord<String, String> targetRecord) {
     }
   }
 
-  private Future<String> sendBackRecordsBatchResponse(RecordsBatchResponse recordsBatchResponse, List<KafkaHeader> kafkaHeaders, String tenantId, int chunkNumber, String eventType, KafkaConsumerRecord<String, String> commonRecord) {
+  private Future<String> sendBackRecordsBatchResponse(RecordsBatchResponse recordsBatchResponse, List<KafkaHeader> kafkaHeaders, String tenantId, int chunkNumber, String eventType, KafkaConsumerRecord<String, byte[]> commonRecord) {
     Event event;
     event = new Event()
       .withId(UUID.randomUUID().toString())
diff --git a/mod-source-record-storage-server/src/main/java/org/folio/errorhandlers/ParsedRecordChunksErrorHandler.java b/mod-source-record-storage-server/src/main/java/org/folio/errorhandlers/ParsedRecordChunksErrorHandler.java
index 93a03e0ad..adf1c9d47 100644
--- a/mod-source-record-storage-server/src/main/java/org/folio/errorhandlers/ParsedRecordChunksErrorHandler.java
+++ b/mod-source-record-storage-server/src/main/java/org/folio/errorhandlers/ParsedRecordChunksErrorHandler.java
@@ -3,6 +3,7 @@
 import io.vertx.core.Future;
 import io.vertx.core.Vertx;
 import io.vertx.core.json.Json;
+import io.vertx.core.json.jackson.DatabindCodec;
 import io.vertx.kafka.client.consumer.KafkaConsumerRecord;
 import io.vertx.kafka.client.producer.KafkaHeader;
 import io.vertx.kafka.client.producer.impl.KafkaHeaderImpl;
@@ -23,6 +24,7 @@
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 
+import java.io.IOException;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
@@ -38,7 +40,7 @@
  * with status 'Completed with errors' with showing error messge instead of hanging progress bar.
  */
 @Component
-public class ParsedRecordChunksErrorHandler implements ProcessRecordErrorHandler<String, String> {
+public class ParsedRecordChunksErrorHandler implements ProcessRecordErrorHandler<String, byte[]> {
 
   private static final Logger LOGGER = LogManager.getLogger();
 
@@ -53,12 +55,18 @@ public class ParsedRecordChunksErrorHandler implements ProcessRecordErrorHandler
   private Vertx vertx;
 
   @Override
-  public void handle(Throwable throwable, KafkaConsumerRecord<String, String> record) {
-    LOGGER.trace("handle:: Handling record {}", record);
-    Event event = Json.decodeValue(record.value(), Event.class);
-    RecordCollection recordCollection = Json.decodeValue(event.getEventPayload(), RecordCollection.class);
+  public void handle(Throwable throwable, KafkaConsumerRecord<String, byte[]> consumerRecord) {
+    LOGGER.trace("handle:: Handling record {}", consumerRecord);
+      Event event;
+      try {
+          event = DatabindCodec.mapper().readValue(consumerRecord.value(), Event.class);
+      } catch (IOException e) {
+          LOGGER.error("Something happened when deserializing record", e);
+          return;
+      }
+      RecordCollection recordCollection = Json.decodeValue(event.getEventPayload(), RecordCollection.class);
 
-    List<KafkaHeader> kafkaHeaders = record.headers();
+    List<KafkaHeader> kafkaHeaders = consumerRecord.headers();
     OkapiConnectionParams okapiConnectionParams = new OkapiConnectionParams(KafkaHeaderUtils.kafkaHeadersToMap(kafkaHeaders), vertx);
 
     String jobExecutionId = okapiConnectionParams.getHeaders().get(JOB_EXECUTION_ID_HEADER);
diff --git a/mod-source-record-storage-server/src/main/java/org/folio/verticle/consumers/AbstractConsumerVerticle.java b/mod-source-record-storage-server/src/main/java/org/folio/verticle/consumers/AbstractConsumerVerticle.java
index 062110016..eb2d8658e 100644
--- a/mod-source-record-storage-server/src/main/java/org/folio/verticle/consumers/AbstractConsumerVerticle.java
+++ b/mod-source-record-storage-server/src/main/java/org/folio/verticle/consumers/AbstractConsumerVerticle.java
@@ -19,9 +19,9 @@
 import org.folio.kafka.SubscriptionDefinition;
 import org.folio.okapi.common.GenericCompositeFuture;
 
-public abstract class AbstractConsumerVerticle extends AbstractVerticle {
+public abstract class AbstractConsumerVerticle<K,V> extends AbstractVerticle {
 
-  private final List<KafkaConsumerWrapper<String, String>> consumers = new ArrayList<>();
+  private final List<KafkaConsumerWrapper<K, V>> consumers = new ArrayList<>();
 
   private final KafkaConfig kafkaConfig;
 
@@ -31,12 +31,20 @@ protected AbstractConsumerVerticle(KafkaConfig kafkaConfig) {
 
   @Override
   public void start(Promise<Void> startPromise) {
-    eventTypes().forEach(eventType -> {
+    KafkaConfig config;
+    if (getDeserializerClass() != null) {
+      config = kafkaConfig.toBuilder()
+        .consumerValueDeserializerClass(getDeserializerClass())
+        .build();
+    } else {
+        config = kafkaConfig;
+    }
+      eventTypes().forEach(eventType -> {
       SubscriptionDefinition subscriptionDefinition = getSubscriptionDefinition(eventType);
-      consumers.add(KafkaConsumerWrapper.<String, String>builder()
+      consumers.add(KafkaConsumerWrapper.<K, V>builder()
         .context(context)
         .vertx(vertx)
-        .kafkaConfig(kafkaConfig)
+        .kafkaConfig(config)
         .loadLimit(loadLimit())
         .globalLoadSensor(new GlobalLoadSensor())
         .subscriptionDefinition(subscriptionDefinition)
@@ -64,9 +72,9 @@ protected Optional<String> namespace() {
     return Optional.of(getDefaultNameSpace());
   }
 
-  protected abstract AsyncRecordHandler<String, String> recordHandler();
+  protected abstract AsyncRecordHandler<K, V> recordHandler();
 
-  protected ProcessRecordErrorHandler<String, String> processRecordErrorHandler() {
+  protected ProcessRecordErrorHandler<K, V> processRecordErrorHandler() {
     return null;
   }
 
@@ -89,4 +97,11 @@ private SubscriptionDefinition getSubscriptionDefinition(String eventType) {
   private String getConsumerName() {
     return constructModuleName() + "_" + getClass().getSimpleName();
   }
+
+  /**
+   * Set a custom deserializer class for this kafka consumer
+   */
+  public String getDeserializerClass() {
+    return null;
+  }
 }
diff --git a/mod-source-record-storage-server/src/main/java/org/folio/verticle/consumers/AuthorityDomainConsumersVerticle.java b/mod-source-record-storage-server/src/main/java/org/folio/verticle/consumers/AuthorityDomainConsumersVerticle.java
index f4d7fb02f..d45f3f708 100644
--- a/mod-source-record-storage-server/src/main/java/org/folio/verticle/consumers/AuthorityDomainConsumersVerticle.java
+++ b/mod-source-record-storage-server/src/main/java/org/folio/verticle/consumers/AuthorityDomainConsumersVerticle.java
@@ -15,7 +15,7 @@
 
 @Component
 @Scope(SCOPE_PROTOTYPE)
-public class AuthorityDomainConsumersVerticle extends AbstractConsumerVerticle {
+public class AuthorityDomainConsumersVerticle extends AbstractConsumerVerticle<String, String> {
 
   private final AuthorityDomainKafkaHandler authorityDomainKafkaHandler;
 
diff --git a/mod-source-record-storage-server/src/main/java/org/folio/verticle/consumers/AuthorityLinkChunkConsumersVerticle.java b/mod-source-record-storage-server/src/main/java/org/folio/verticle/consumers/AuthorityLinkChunkConsumersVerticle.java
index 17b995301..8094b3841 100644
--- a/mod-source-record-storage-server/src/main/java/org/folio/verticle/consumers/AuthorityLinkChunkConsumersVerticle.java
+++ b/mod-source-record-storage-server/src/main/java/org/folio/verticle/consumers/AuthorityLinkChunkConsumersVerticle.java
@@ -15,7 +15,7 @@
 
 @Component
 @Scope(SCOPE_PROTOTYPE)
-public class AuthorityLinkChunkConsumersVerticle extends AbstractConsumerVerticle {
+public class AuthorityLinkChunkConsumersVerticle extends AbstractConsumerVerticle<String, String> {
 
   private final AuthorityLinkChunkKafkaHandler kafkaHandler;
 
diff --git a/mod-source-record-storage-server/src/main/java/org/folio/verticle/consumers/DataImportConsumersVerticle.java b/mod-source-record-storage-server/src/main/java/org/folio/verticle/consumers/DataImportConsumersVerticle.java
index f508bb4b8..a4f020945 100644
--- a/mod-source-record-storage-server/src/main/java/org/folio/verticle/consumers/DataImportConsumersVerticle.java
+++ b/mod-source-record-storage-server/src/main/java/org/folio/verticle/consumers/DataImportConsumersVerticle.java
@@ -37,7 +37,7 @@
 
 @Component
 @Scope(SCOPE_PROTOTYPE)
-public class DataImportConsumersVerticle extends AbstractConsumerVerticle {
+public class DataImportConsumersVerticle extends AbstractConsumerVerticle<String, byte[]> {
 
   private static final List<String> EVENTS = Arrays.asList(
     DI_INVENTORY_AUTHORITY_CREATED_READY_FOR_POST_PROCESSING.value(),
@@ -65,7 +65,7 @@ public class DataImportConsumersVerticle extends AbstractConsumerVerticle {
     DI_SRS_MARC_HOLDINGS_RECORD_MATCHED.value()
   );
 
-  private final AsyncRecordHandler<String, String> dataImportKafkaHandler;
+  private final AsyncRecordHandler<String, byte[]> dataImportKafkaHandler;
 
   @Value("${srs.kafka.DataImportConsumer.loadLimit:5}")
   private int loadLimit;
@@ -73,7 +73,7 @@ public class DataImportConsumersVerticle extends AbstractConsumerVerticle {
   @Autowired
   public DataImportConsumersVerticle(KafkaConfig kafkaConfig,
                                      @Qualifier("DataImportKafkaHandler")
-                                     AsyncRecordHandler<String, String> dataImportKafkaHandler) {
+                                     AsyncRecordHandler<String, byte[]> dataImportKafkaHandler) {
     super(kafkaConfig);
     this.dataImportKafkaHandler = dataImportKafkaHandler;
   }
@@ -84,7 +84,7 @@ protected int loadLimit() {
   }
 
   @Override
-  protected AsyncRecordHandler<String, String> recordHandler() {
+  protected AsyncRecordHandler<String, byte[]> recordHandler() {
     return dataImportKafkaHandler;
   }
 
@@ -93,4 +93,9 @@ protected List<String> eventTypes() {
     return EVENTS;
   }
 
+  @Override
+  public String getDeserializerClass() {
+    return "org.apache.kafka.common.serialization.ByteArrayDeserializer";
+  }
+
 }
diff --git a/mod-source-record-storage-server/src/main/java/org/folio/verticle/consumers/ParsedRecordChunkConsumersVerticle.java b/mod-source-record-storage-server/src/main/java/org/folio/verticle/consumers/ParsedRecordChunkConsumersVerticle.java
index fe3f32e48..05c1dccaa 100644
--- a/mod-source-record-storage-server/src/main/java/org/folio/verticle/consumers/ParsedRecordChunkConsumersVerticle.java
+++ b/mod-source-record-storage-server/src/main/java/org/folio/verticle/consumers/ParsedRecordChunkConsumersVerticle.java
@@ -15,11 +15,11 @@
 
 @Component
 @Scope(SCOPE_PROTOTYPE)
-public class ParsedRecordChunkConsumersVerticle extends AbstractConsumerVerticle {
+public class ParsedRecordChunkConsumersVerticle extends AbstractConsumerVerticle<String, byte[]> {
 
-  private final AsyncRecordHandler<String, String> parsedRecordChunksKafkaHandler;
+  private final AsyncRecordHandler<String, byte[]> parsedRecordChunksKafkaHandler;
 
-  private final ProcessRecordErrorHandler<String, String> parsedRecordChunksErrorHandler;
+  private final ProcessRecordErrorHandler<String, byte[]> parsedRecordChunksErrorHandler;
 
   @Value("${srs.kafka.ParsedMarcChunkConsumer.loadLimit:5}")
   private int loadLimit;
@@ -27,16 +27,16 @@ public class ParsedRecordChunkConsumersVerticle extends AbstractConsumerVerticle
   @Autowired
   protected ParsedRecordChunkConsumersVerticle(KafkaConfig kafkaConfig,
                                                @Qualifier("parsedRecordChunksKafkaHandler")
-                                               AsyncRecordHandler<String, String> parsedRecordChunksKafkaHandler,
+                                               AsyncRecordHandler<String, byte[]> parsedRecordChunksKafkaHandler,
                                                @Qualifier("parsedRecordChunksErrorHandler")
-                                               ProcessRecordErrorHandler<String, String> parsedRecordChunksErrorHandler) {
+                                               ProcessRecordErrorHandler<String, byte[]> parsedRecordChunksErrorHandler) {
     super(kafkaConfig);
     this.parsedRecordChunksKafkaHandler = parsedRecordChunksKafkaHandler;
     this.parsedRecordChunksErrorHandler = parsedRecordChunksErrorHandler;
   }
 
   @Override
-  protected ProcessRecordErrorHandler<String, String> processRecordErrorHandler() {
+  protected ProcessRecordErrorHandler<String, byte[]> processRecordErrorHandler() {
     return parsedRecordChunksErrorHandler;
   }
 
@@ -46,7 +46,7 @@ protected int loadLimit() {
   }
 
   @Override
-  protected AsyncRecordHandler<String, String> recordHandler() {
+  protected AsyncRecordHandler<String, byte[]> recordHandler() {
     return parsedRecordChunksKafkaHandler;
   }
 
@@ -55,4 +55,9 @@ protected List<String> eventTypes() {
     return List.of(DI_RAW_RECORDS_CHUNK_PARSED.value());
   }
 
+  @Override
+  public String getDeserializerClass() {
+    return "org.apache.kafka.common.serialization.ByteArrayDeserializer";
+  }
+
 }
diff --git a/mod-source-record-storage-server/src/main/java/org/folio/verticle/consumers/QuickMarcConsumersVerticle.java b/mod-source-record-storage-server/src/main/java/org/folio/verticle/consumers/QuickMarcConsumersVerticle.java
index a4551c1c1..7e3e61764 100644
--- a/mod-source-record-storage-server/src/main/java/org/folio/verticle/consumers/QuickMarcConsumersVerticle.java
+++ b/mod-source-record-storage-server/src/main/java/org/folio/verticle/consumers/QuickMarcConsumersVerticle.java
@@ -14,7 +14,7 @@
 
 @Component
 @Scope(SCOPE_PROTOTYPE)
-public class QuickMarcConsumersVerticle extends AbstractConsumerVerticle {
+public class QuickMarcConsumersVerticle extends AbstractConsumerVerticle<String, String> {
 
   private final QuickMarcKafkaHandler kafkaHandler;
 
diff --git a/mod-source-record-storage-server/src/main/resources/vertx-default-jul-logging.properties b/mod-source-record-storage-server/src/main/resources/vertx-default-jul-logging.properties
deleted file mode 100644
index b2a56574d..000000000
--- a/mod-source-record-storage-server/src/main/resources/vertx-default-jul-logging.properties
+++ /dev/null
@@ -1,5 +0,0 @@
-handlers = java.util.logging.ConsoleHandler
-.level = ALL
-
-logger.cql2pgjson.level = ERROR
-logger.cql2pgjson.name = org.folio.cql2pgjson.CQL2PgJSON