[ https://issues.apache.org/jira/browse/HIVE-19912?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Prasanth Jayachandran updated HIVE-19912: ----------------------------------------- Attachment: HIVE-19912.2.patch > Schema evolution checks prints a log line in INFO mode for each vectorized > rowbatch, impacts performance > -------------------------------------------------------------------------------------------------------- > > Key: HIVE-19912 > URL: https://issues.apache.org/jira/browse/HIVE-19912 > Project: Hive > Issue Type: Bug > Components: Hive > Affects Versions: 3.0.0 > Reporter: Nita Dembla > Assignee: Prasanth Jayachandran > Priority: Major > Fix For: 3.1.0, 3.0.1, 4.0.0 > > Attachments: HIVE-19912.1.patch, HIVE-19912.2.patch > > > While benchmarking query96, noticed 17K log lines printed for each vector > rowbactch > > In file ql/src/java/org/apache/hadoop/hive/ql/io/orc/OrcInputFormat.java > > {code:java} > @@ -2554,8 +2554,8 @@ public static TypeDescription > getDesiredRowTypeDescr(Configuration conf, > } > if (haveSchemaEvolutionProperties) { > - if (LOG.isInfoEnabled()) { > - LOG.info("Using schema evolution configuration variables > schema.evolution.columns " + > + if (LOG.isDebugEnabled()) { > + LOG.debug("Using schema evolution configuration variables > schema.evolution.columns " + > schemaEvolutionColumnNames.toString() + > " / schema.evolution.columns.types " + > schemaEvolutionTypeDescrs.toString() +{code} > -- This message was sent by Atlassian JIRA (v7.6.3#76005)