Github user kumarvishal09 commented on a diff in the pull request:
https://github.com/apache/incubator-carbondata/pull/265#discussion_r90395320
--- Diff: core/src/main/java/org/apache/carbondata/core/carbon/metadata/blocklet/DataFileFooter.java ---
@@ -38,7 +38,7 @@
/**
* version used for data compatibility
*/
- private int versionId;
+ private short versionId;
--- End diff --
short range is enough to store version. Please let me know if need to store in int is required
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