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Tim Armstrong commented on IMPALA-3052: --------------------------------------- This is a special case of IMPALA-2017 > Reorder Parquet Column readers such that slots with probe filters are read > first > -------------------------------------------------------------------------------- > > Key: IMPALA-3052 > URL: https://issues.apache.org/jira/browse/IMPALA-3052 > Project: IMPALA > Issue Type: Sub-task > Components: Backend > Affects Versions: Impala 2.5.0 > Reporter: Mostafa Mokhtar > Priority: Minor > Labels: performance, runtime-filters > > When applying selective probe filters > {code}HdfsParquetScanner::CreateColumnReaders{code} should order > column_readers such that slots with selective probe filters come first, this > should reduce the number of calls to ReadSlot. -- 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