+1 Can you raise one PR for this.
Regards Liang bhavya411 wrote > Hi All, > > Presto 0.186 version has as lot of improvements that will increase the > performance and improve the reliability. Some of the major issues and > improvements are listed below. > > > - Fix excessive GC overhead caused by map to map cast. > - Fix issue that may cause queries containing expensive functions, such > as regular expressions, to continue using CPU resources even after they > are > killed. > - Fix performance issue caused by redundant casts > - Fix leak in running query counter for failed queries. The counter > would increment but never decrement for queries that failed before > starting. > - Reduce memory usage when building data of VARCHAR or VARBINARY types. > - Estimate memory usage for GROUP BY more precisely to avoid out of > memory errors. > - Add Spill to Disk > <https://prestodb.io/docs/current/admin/spill.html> > for joins. > > Currently the Presto version that we are using in Carbondata is 0.166 , I > would like to suggest to upgrade it to 0.186. Please let me know what the > group thinks about it. > > > Regards > > Bhavya -- Sent from: http://apache-carbondata-dev-mailing-list-archive.1130556.n5.nabble.com/