MLE-13719 Turning down some logging

Ticket was about the "flushing queued docs" and info being way too noisy. Turned that to "trace" because it really is not important. Also turned down logging of threadCount/batchSize to the more appropriate debug level.

Author: rjrudin

marklogic-client-api/src/main/java/com/marklogic/client/datamovement/impl/WriteBatcherImpl.java

@@ -185,8 +185,10 @@ public void initialize() {
 
       initialized = true;
 
-      logger.info("threadCount={}", getThreadCount());
-      logger.info("batchSize={}", getBatchSize());
+	  if (logger.isDebugEnabled()) {
+		  logger.debug("threadCount={}", getThreadCount());
+		  logger.debug("batchSize={}", getBatchSize());
+	  }
       super.setJobStartTime();
       super.getStarted().set(true);
     }
@@ -397,7 +399,9 @@ private void flush(boolean waitForCompletion) {
     List<DocumentWriteOperation> docs = new ArrayList<>();
     batchCounter.set(0);
     queue.drainTo(docs);
-    logger.info("flushing {} queued docs", docs.size());
+	if (logger.isTraceEnabled()) {
+		logger.trace("flushing {} queued docs", docs.size());
+	}
     Iterator<DocumentWriteOperation> iter = docs.iterator();
     for ( int i=0; iter.hasNext(); i++ ) {
       if ( isStopped() == true ) {