[HUDI-4665] Flipping default for "ignore failed batch" config in streaming sink to false

hudi-flink-datasource/hudi-flink/src/main/java/org/apache/hudi/configuration/FlinkOptions.java

@@ -332,7 +332,8 @@ private FlinkOptions() {
       .booleanType()
       .defaultValue(false)
       .withDescription("Flag to indicate whether to ignore any non exception error (e.g. writestatus error). within a checkpoint batch.\n"
-          + "By default false");
+          + "By default false.  Turning this on, could hide the write status errors while the spark checkpoint moves ahead. \n"
+          + "  So, would recommend users to use this with caution.");
 
   public static final ConfigOption<String> RECORD_KEY_FIELD = ConfigOptions
       .key(KeyGeneratorOptions.RECORDKEY_FIELD_NAME.key())

hudi-spark-datasource/hudi-spark-common/src/main/scala/org/apache/hudi/DataSourceOptions.scala

@@ -386,13 +386,14 @@ object DataSourceWriteOptions {
     .withDocumentation(" Config to indicate how long (by millisecond) before a retry should issued for failed microbatch")
 
   /**
-   * By default true (in favor of streaming progressing over data integrity)
+   * By default false. If users prefer streaming progress over data integrity, can set this to true.
    */
   val STREAMING_IGNORE_FAILED_BATCH: ConfigProperty[String] = ConfigProperty
     .key("hoodie.datasource.write.streaming.ignore.failed.batch")
-    .defaultValue("true")
+    .defaultValue("false")
     .withDocumentation("Config to indicate whether to ignore any non exception error (e.g. writestatus error)"
-      + " within a streaming microbatch")
+      + " within a streaming microbatch. Turning this on, could hide the write status errors while the spark checkpoint moves ahead." +
+      "So, would recommend users to use this with caution.")
 
   val META_SYNC_CLIENT_TOOL_CLASS_NAME: ConfigProperty[String] = ConfigProperty
     .key("hoodie.meta.sync.client.tool.class")

hudi-spark-datasource/hudi-spark-common/src/main/scala/org/apache/hudi/HoodieStreamingSink.scala

@@ -121,7 +121,7 @@ class HoodieStreamingSink(sqlContext: SQLContext,
             }
           log.error(s"Micro batch id=$batchId threw following exception: ", e)
           if (ignoreFailedBatch) {
-            log.info(s"Ignore the exception and move on streaming as per " +
+            log.warn(s"Ignore the exception and move on streaming as per " +
               s"${DataSourceWriteOptions.STREAMING_IGNORE_FAILED_BATCH.key} configuration")
             Success((true, None, None))
           } else {

hudi-spark-datasource/hudi-spark/src/test/java/HoodieJavaStreamingApp.java

@@ -372,6 +372,7 @@ public void stream(Dataset<Row> streamingInput, String operationType, String che
         .option(DataSourceWriteOptions.ASYNC_COMPACT_ENABLE().key(), "true")
         .option(DataSourceWriteOptions.ASYNC_CLUSTERING_ENABLE().key(), "true")
         .option(HoodieCompactionConfig.PRESERVE_COMMIT_METADATA.key(), "false")
+        .option(DataSourceWriteOptions.STREAMING_IGNORE_FAILED_BATCH().key(),"true")
         .option(HoodieWriteConfig.TBL_NAME.key(), tableName).option("checkpointLocation", checkpointLocation)
         .outputMode(OutputMode.Append());