[Improvement][LogServer] Thread pool parameter adjustment #5161 (#5163)

* [Improvement][LogServer] Thread pool parameter adjustment #5161

* change log request processor thread num 2 * cpuCores + 1

dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/log/LoggerRequestProcessor.java

@@ -31,6 +31,7 @@ import org.apache.dolphinscheduler.remote.command.log.RollViewLogResponseCommand
 import org.apache.dolphinscheduler.remote.command.log.ViewLogRequestCommand;
 import org.apache.dolphinscheduler.remote.command.log.ViewLogResponseCommand;
 import org.apache.dolphinscheduler.remote.processor.NettyRequestProcessor;
+import org.apache.dolphinscheduler.remote.utils.Constants;
 
 import java.io.ByteArrayOutputStream;
 import java.io.File;
@@ -42,6 +43,7 @@ import java.nio.file.Paths;
 import java.util.Collections;
 import java.util.List;
 import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
 import java.util.concurrent.LinkedBlockingQueue;
 import java.util.concurrent.ThreadPoolExecutor;
 import java.util.concurrent.TimeUnit;
@@ -60,10 +62,10 @@ public class LoggerRequestProcessor implements NettyRequestProcessor {
 
     private final Logger logger = LoggerFactory.getLogger(LoggerRequestProcessor.class);
 
-    private final ThreadPoolExecutor executor;
+    private final ExecutorService executor;
 
     public LoggerRequestProcessor() {
-        this.executor = new ThreadPoolExecutor(4, 4, 10, TimeUnit.SECONDS, new LinkedBlockingQueue<>(100));
+        this.executor = Executors.newFixedThreadPool(Constants.CPUS * 2 + 1);
     }
 
     @Override