Nita Dembla created HIVE-19912: ---------------------------------- Summary: 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 Fix For: 3.0.1
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)