Hi I submit the Apache CarbonData 1.5.1 (RC2) for your vote.
1.Release Notes: https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12320220&version=12344320 Some key features and improvements in this release: 1. Optimized scan performance by avoiding multiple data copies and avoided double filtering for spark fileformat and presto by lazy loading and page pruning. 2. Supported customize column compressor 3. Supported concurrent reading through SDK reader to improve read performance. 4. Supported fallback mechanism when offheap memory is not enough then switch to onheap 5. Supported C++ interface for writing carbon data in CSDK 6. Supported VectorizedReader for SDK Reader to improve read performance. 7. Improved Blocklet DataMap pruning in driver using multi-threading. 8. Make inverted index false by default 9. Enable Local dictionary by default 10. Support prefetch for compaction to improve compaction performance. 11. Many Bug fixes and stabilized Carbondata. 2. The tag to be voted upon : apache-carbondata-1.5.1-rc2 (commit: 1d1eb7bd625f1af1745c555274dd69298a79ab65) https://github.com/apache/carbondata/releases/tag/apache-carbondata-1.5.1-rc2 3. The artifacts to be voted on are located here: https://dist.apache.org/repos/dist/dev/carbondata/1.5.1-rc2/ 4. A staged Maven repository is available for review at: https://repository.apache.org/content/repositories/orgapachecarbondata-1036/ 5. Release artifacts are signed with the following key: *https://people.apache.org/keys/committer/ravipesala.asc <https://link.getmailspring.com/link/[email protected]/9?redirect=https%3A%2F%2Fpeople.apache.org%2Fkeys%2Fcommitter%2Fravipesala.asc&recipient=ZGV2QGNhcmJvbmRhdGEuYXBhY2hlLm9yZw%3D%3D>* Please vote on releasing this package as Apache CarbonData 1.5.1, The vote will be open for the next 72 hours and passes if a majority of at least three +1 PMC votes are cast. [ ] +1 Release this package as Apache CarbonData 1.5.1 [ ] 0 I don't feel strongly about it, but I'm okay with the release [ ] -1 Do not release this package because... Regards, Ravindra.
