danny0405 commented on a change in pull request #4679:
URL: https://github.com/apache/hudi/pull/4679#discussion_r793225549
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File path:
hudi-flink/src/main/java/org/apache/hudi/configuration/FlinkOptions.java
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@@ -310,6 +318,20 @@ private FlinkOptions() {
+ "Actual value will be obtained by invoking .toString() on the
field value. Nested fields can be specified using "
+ "the dot notation eg: `a.b.c`");
+ public static final ConfigOption<String> INDEX_KEY_FIELD = ConfigOptions
+ .key(HoodieIndexConfig.BUCKET_INDEX_HASH_FIELD.key())
+ .stringType()
+ .defaultValue("uuid")
+ .withDescription("Record key field. Value to be used as the `recordKey`
component of `HoodieKey`.\n"
+ + "Actual value will be obtained by invoking .toString() on the field
value. Nested fields can be specified using "
+ + "the dot notation eg: `a.b.c`");
+
+ public static final ConfigOption<Integer> BUCKET_INDEX_NUM_BUCKETS =
ConfigOptions
+ .key(HoodieIndexConfig.BUCKET_INDEX_NUM_BUCKETS.key())
+ .intType()
+ .defaultValue(256) // default 256 buckets per partition
+ .withDescription("Hudi bucket number per partition. Only affected if
using Hudi bucket index.");
Review comment:
Is there any reason the default value is 256 here, seems to generate
many small files for small data sets.
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