[ https://issues.apache.org/jira/browse/IMPALA-2937?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Mostafa Mokhtar resolved IMPALA-2937. ------------------------------------- Resolution: Fixed Fix Version/s: Impala 2.12.0 > Introduce sampled statistics > ---------------------------- > > Key: IMPALA-2937 > URL: https://issues.apache.org/jira/browse/IMPALA-2937 > Project: IMPALA > Issue Type: Sub-task > Components: Backend > Affects Versions: Impala 2.2 > Reporter: Mostafa Mokhtar > Priority: Minor > Labels: planner, supportability > Fix For: Impala 2.12.0 > > > Stats computation can be expensive, introduce sampled scans for Parquet and > text files to speedup stats computation. > Database will have a default sampling rate which can be overridden at table > level. -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-all-unsubscr...@impala.apache.org For additional commands, e-mail: issues-all-h...@impala.apache.org