feat(net):optimize sync service

Author: jwrct

framework/src/main/java/org/tron/core/config/args/Args.java

@@ -659,7 +659,7 @@ public static void setParam(final String[] args, final String confFileName) {
     PARAMETER.dnsPublishConfig = loadDnsPublishConfig(config);
 
     PARAMETER.syncFetchBatchNum = config.hasPath(Constant.NODE_SYNC_FETCH_BATCH_NUM) ? config
-        .getInt(Constant.NODE_SYNC_FETCH_BATCH_NUM) : 1000;
+        .getInt(Constant.NODE_SYNC_FETCH_BATCH_NUM) : 2000;
     if (PARAMETER.syncFetchBatchNum > 2000) {
       PARAMETER.syncFetchBatchNum = 2000;
     }

framework/src/main/java/org/tron/core/net/service/sync/SyncService.java

@@ -251,12 +251,11 @@ private synchronized void handleSyncBlock() {
     }
 
     final boolean[] isProcessed = {true};
-    final long[] solidNum = {0};
+    long solidNum = tronNetDelegate.getSolidBlockId().getNum();;
 
     while (isProcessed[0]) {
 
       isProcessed[0] = false;
-      solidNum[0] = tronNetDelegate.getSolidBlockId().getNum();
 
       blockWaitToProcess.forEach((msg, peerConnection) -> {
         synchronized (tronNetDelegate.getBlockLock()) {
@@ -265,7 +264,7 @@ private synchronized void handleSyncBlock() {
             invalid(msg.getBlockId(), peerConnection);
             return;
           }
-          if (msg.getBlockId().getNum() <= solidNum[0]) {
+          if (msg.getBlockId().getNum() <= solidNum) {
             blockWaitToProcess.remove(msg);
             return;
           }