Refactor TestLinearWriteSpeed to use array type for records

Author: Ubuntu

clients/clients-integration-tests/src/test/java/org/apache/kafka/clients/admin/ReconfigurableQuorumIntegrationTest.java

@@ -113,18 +113,15 @@ public void testRemoveAndAddVoterWithInconsistentClusterId() throws Exception {
             try (Admin admin = Admin.create(cluster.clientProperties())) {
                 Uuid dirId = cluster.nodes().controllerNodes().get(3000).metadataDirectoryId();
                 var removeFuture = admin.removeRaftVoter(
-                        3000,
-                        dirId,
-                        new RemoveRaftVoterOptions().setClusterId(Optional.of("inconsistent"))
+                    3000,
+                    dirId,
+                    new RemoveRaftVoterOptions().setClusterId(Optional.of("inconsistent"))
                 ).all();
                 TestUtils.assertFutureThrows(InconsistentClusterIdException.class, removeFuture);
 
-                var addFuture = admin.addRaftVoter(
-                        3000,
-                        dirId,
-                        Set.of(new RaftVoterEndpoint("CONTROLLER", "example.com", 8080)),
-                        new AddRaftVoterOptions().setClusterId(Optional.of("inconsistent"))
-                ).all();
+                var addFuture = admin.addRaftVoter(3000, dirId,
+                    Set.of(new RaftVoterEndpoint("CONTROLLER", "example.com", 8080)),
+                    new AddRaftVoterOptions().setClusterId(Optional.of("inconsistent"))).all();
                 TestUtils.assertFutureThrows(InconsistentClusterIdException.class, addFuture);
             }
         }

jmh-benchmarks/src/main/java/org/apache/kafka/jmh/log/TestLinearWriteSpeed.java

@@ -238,12 +238,12 @@ static class LogWritable implements Writable {
         MemoryRecords messages;
         UnifiedLog log;
         Compression compression;
-        List<SimpleRecord> recordsList;
+        SimpleRecord[] records;
 
         public LogWritable(File dir, LogConfig config, Scheduler scheduler, MemoryRecords messages, Compression compression, List<SimpleRecord> recordsList) throws IOException {
             this.messages = messages;
             this.compression = compression;
-            this.recordsList = recordsList;
+            this.records = recordsList.toArray(new SimpleRecord[0]);
             Utils.delete(dir);
             this.log = UnifiedLog.create(
                 dir,
@@ -266,7 +266,7 @@ public LogWritable(File dir, LogConfig config, Scheduler scheduler, MemoryRecord
         }
 
         public int write() {
-            this.messages = MemoryRecords.withRecords(compression, recordsList.toArray(new SimpleRecord[0]));
+            this.messages = MemoryRecords.withRecords(compression, records);
             log.appendAsLeader(
                 messages,
                 0,