YesOrNo828 commented on code in PR #20542:
URL: https://github.com/apache/flink/pull/20542#discussion_r1241172499
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flink-connectors/flink-connector-hbase-base/src/main/java/org/apache/flink/connector/hbase/sink/HBaseSinkFunction.java:
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@@ -201,6 +208,12 @@ public void invoke(T value, Context context) throws
Exception {
}
private void flush() throws IOException {
+ synchronized (mutationMap) {
Review Comment:
Adding mutationMap to drop duplicated data on the client side could not
avoid the data consistency issue. For example:
sink.buffer-flush.max-rows=1
+I(1,...)
-U(1,...)
+U(1,...)
These three rows are put into HBase with the same timestamp version.
In the end, HBase cannot find the data with rowkey=1.
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