ArkoSharma commented on a change in pull request #2539:
URL: https://github.com/apache/hive/pull/2539#discussion_r726757597
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File path: common/src/java/org/apache/hadoop/hive/common/FileUtils.java
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@@ -705,6 +705,16 @@ public static boolean distCpWithSnapshot(String
oldSnapshot, String newSnapshot,
oldSnapshot, newSnapshot);
} catch (IOException e) {
LOG.error("Can not copy using snapshot from source: {}, target: {}",
srcPaths, dst);
+ try {
+ // in case overwriteTarget is set to false, and we encounter an
exception due to targetFs getting
+ // changed since last snapshot, then fallback to initial copy
+ if (!overwriteTarget && !e.getCause().getMessage().contains("changed
since snapshot")) {
+ LOG.warn("Diff copy failed due to changed target filesystem, falling
back to normal distcp.");
+ return distCp(srcPaths.get(0).getFileSystem(conf), srcPaths, dst,
false, proxyUser, conf, shims);
Review comment:
Done.
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