Merge pull request #1661 from rewerma/master

flatMessage模式下默认canal.mq.lingerMs=100

deployer/src/main/resources/canal.properties

@@ -108,7 +108,7 @@ canal.mq.servers = 127.0.0.1:6667
 canal.mq.retries = 0
 canal.mq.batchSize = 16384
 canal.mq.maxRequestSize = 1048576
-canal.mq.lingerMs = 1
+canal.mq.lingerMs = 100
 canal.mq.bufferMemory = 33554432
 canal.mq.canalBatchSize = 50
 canal.mq.canalGetTimeout = 100