[GitHub] [flume] bessbd commented on a change in pull request #320: Fix issues reported by SpotBugs in ElasticSearch sink

[GitBox <gi...@apache.org>]

bessbd commented on a change in pull request #320: Fix issues reported by SpotBugs in ElasticSearch sink
URL: https://github.com/apache/flume/pull/320#discussion_r407703334
 
 

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 File path: flume-ng-sinks/flume-ng-elasticsearch-sink/src/main/java/org/apache/flume/sink/elasticsearch/client/ElasticSearchRestClient.java
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 @@ -105,7 +105,7 @@ public void addEvent(Event event, IndexNameBuilder indexNameBuilder, String inde
     parameters.put(INDEX_OPERATION_NAME, indexParameters);
 
     Gson gson = new Gson();
-    synchronized (bulkBuilder) {
 
 Review comment:
   Looking at this PR, all changes seem awesome to me, but this one (and the one after - same `synchronized (this)`) seems to alter semantics. What do you think about going one step further and making `bulkBuilder` a `StringBuffer` instead of a `StringBuilder` so that the thread-safety of `StringBuffer` is leveraged?

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