Rajat Khandelwal created HIVE-11376:
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Summary: CombineHiveInputFormat is falling back to HiveInputFormat
in case codecs are found for one of the input files
Key: HIVE-11376
URL: https://issues.apache.org/jira/browse/HIVE-11376
Project: Hive
Issue Type: Bug
Reporter: Rajat Khandelwal
https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/io/CombineHiveInputFormat.java#L379
This is the exact code snippet:
{noformat}
/ Since there is no easy way of knowing whether MAPREDUCE-1597 is present in
the tree or not,
// we use a configuration variable for the same
if (this.mrwork != null && !this.mrwork.getHadoopSupportsSplittable()) {
// The following code should be removed, once
// https://issues.apache.org/jira/browse/MAPREDUCE-1597 is fixed.
// Hadoop does not handle non-splittable files correctly for
CombineFileInputFormat,
// so don't use CombineFileInputFormat for non-splittable files
//ie, dont't combine if inputformat is a TextInputFormat and has
compression turned on
{noformat}
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