codope commented on a change in pull request #4848:
URL: https://github.com/apache/hudi/pull/4848#discussion_r813110302



##########
File path: 
hudi-common/src/main/java/org/apache/hudi/common/config/HoodieMetadataConfig.java
##########
@@ -165,6 +165,12 @@
           + "used for pruning files during the index lookups. Only applies if "
           + ENABLE_METADATA_INDEX_COLUMN_STATS.key() + " is enabled.A");
 
+  public static final ConfigProperty<Integer> COLUMN_STATS_INDEX_PARALLELISM = 
ConfigProperty
+          .key(METADATA_PREFIX + ".index.column.stats.parallelism")
+          .defaultValue(1)

Review comment:
       done 10 for now.. but i think once we run perf tests we'll be able to 
come up with better default value.




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