kai33 commented on a change in pull request #1368: HADOOP-16536. Backport
HADOOP-15273 to branch-2
URL: https://github.com/apache/hadoop/pull/1368#discussion_r319124379
##########
File path:
hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/mapred/RetriableFileCopyCommand.java
##########
@@ -207,15 +207,30 @@ private void compareCheckSums(FileSystem sourceFS, Path
source,
throws IOException {
if (!DistCpUtils.checksumsAreEqual(sourceFS, source, sourceChecksum,
targetFS, target)) {
- StringBuilder errorMessage = new StringBuilder("Check-sum mismatch
between ")
- .append(source).append(" and ").append(target).append(".");
- if (sourceFS.getFileStatus(source).getBlockSize() !=
+ StringBuilder errorMessage =
+ new StringBuilder("Checksum mismatch between ")
+ .append(source).append(" and ").append(target).append(".");
+ boolean addSkipHint = false;
+ String srcScheme = sourceFS.getScheme();
+ String targetScheme = targetFS.getScheme();
+ if (!srcScheme.equals(targetScheme)
+ && !(srcScheme.contains("hdfs") && targetScheme.contains("hdfs"))) {
Review comment:
This check will be removed once HADOOP-16158 is backported
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