[ https://issues.apache.org/jira/browse/IMPALA-10492?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Tamas Mate updated IMPALA-10492: -------------------------------- Description: Currently MAX_CNF_EXPRS is set to unlimited by default, with complex queries that container many predicates the CNF rewrite can lead to significant frontend memory usage and eventually OutOfMemory. A potential default value could be in the range of 1000. cc.: [~amansinha], [~drorke] was: Currently MAX_CNF_EXPRS is set to unlimited by default, with complex queries the CNF rewrite can lead to significant frontend memory usage and eventually OutOfMemory. A potential default value could be in the range of 1000. cc.: [~amansinha], [~drorke] > Lower default MAX_CNF_EXPRS query option > ---------------------------------------- > > Key: IMPALA-10492 > URL: https://issues.apache.org/jira/browse/IMPALA-10492 > Project: IMPALA > Issue Type: Improvement > Components: Backend, Frontend > Affects Versions: Impala 4.0 > Reporter: Tamas Mate > Priority: Minor > Labels: ramp-up > > Currently MAX_CNF_EXPRS is set to unlimited by default, with complex queries > that container many predicates the CNF rewrite can lead to significant > frontend memory usage and eventually OutOfMemory. A potential default value > could be in the range of 1000. > cc.: [~amansinha], [~drorke] -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-all-unsubscr...@impala.apache.org For additional commands, e-mail: issues-all-h...@impala.apache.org