GeorgeJahad commented on code in PR #3980:
URL: https://github.com/apache/ozone/pull/3980#discussion_r1140801712
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hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/OmSnapshotManager.java:
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@@ -279,6 +307,92 @@ private void verifySnapshotInfoForSnapDiff(final
SnapshotInfo fromSnapshot,
}
}
+ /**
+ * Create file of links to add to tarball.
+ * Format of entries are either:
+ * dir1/fileTo fileFrom
+ * for files in active db or:
+ * dir1/fileTo dir2/fileFrom
+ * for files in another directory, (either another snapshot dir or
+ * sst compaction backup directory)
+ * @param truncateLength - Length of initial path to trim in file path.
+ * @param hardLinkFiles - Map of link->file paths.
+ * @return Path to the file of links created.
+ */
+ @SuppressFBWarnings({"NP_NULL_ON_SOME_PATH_FROM_RETURN_VALUE"})
+ static Path createHardLinkList(int truncateLength,
+ Map<Path, Path> hardLinkFiles)
+ throws IOException {
+ Path data = Files.createTempFile("data", "txt");
Review Comment:
My understand is that is does add a random number. This shows it:
https://mkyong.com/java/how-to-create-temporary-file-in-java/
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