[ https://issues.apache.org/jira/browse/CARBONDATA-863?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ravindra Pesala updated CARBONDATA-863: --------------------------------------- Fix Version/s: (was: 1.1.0-incubating) > Support creation and deletion of dictionary files through RDD during alter > add and drop > --------------------------------------------------------------------------------------- > > Key: CARBONDATA-863 > URL: https://issues.apache.org/jira/browse/CARBONDATA-863 > Project: CarbonData > Issue Type: Improvement > Reporter: Manish Gupta > Assignee: Manish Gupta > Priority: Minor > Time Spent: 20m > Remaining Estimate: 0h > > Currently during alter add and drop columns operation, dictionary files for > columns are being added and dropped in a single thread due to which the > operation becomes very slow as the number of columns increases. > Instead this operation should be done through RDD which will make optimal use > of executor cores configured and performance will increase by number of cores > configured. -- This message was sent by Atlassian JIRA (v6.3.15#6346)