ajantha-bhat commented on a change in pull request #3621: [HOTFIX] Support both
listfile() and listfile(maxCount) in InsertStag…
URL: https://github.com/apache/carbondata/pull/3621#discussion_r379985844
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File path:
integration/spark2/src/main/scala/org/apache/spark/sql/execution/command/management/CarbonInsertFromStageCommand.scala
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@@ -502,13 +503,23 @@ case class CarbonInsertFromStageCommand(
): Array[(CarbonFile, CarbonFile)] = {
val dir = FileFactory.getCarbonFile(loadDetailsDir, hadoopConf)
if (dir.exists()) {
- // Only HDFS/OBS/S3 server side can guarantee the files got from
iterator are sorted
- // based on file name so that we can use iterator to get the A and
A.success together
- // without loop all files which can improve performance compared with
list all files.
- // One file and another with '.success', so we need *2 as total and this
value is just
- // an approximate value. For local files, as can it can we not guarantee
the order, we
- // just list all.
- val allFiles = dir.listFiles(false, batchSize * 2)
+ // It is possible that the filename of stage files is not in order of
time,
+ // A switch is used here to judge whether to list files with specify
batch size
+ val CARBON_STAGE_FILENAME_IS_IN_ORDER_OF_TIME =
CarbonProperties.getInstance().getProperty(
Review comment:
change variable name to `isSortedFileNames`
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