rdblue commented on a change in pull request #1559:
URL: https://github.com/apache/iceberg/pull/1559#discussion_r511158535
##########
File path:
core/src/main/java/org/apache/iceberg/hadoop/HadoopTableOperations.java
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@@ -294,13 +294,22 @@ private void writeVersionHint(int versionToWrite) {
Path versionHintFile = versionHintFile();
FileSystem fs = getFileSystem(versionHintFile, conf);
- try (FSDataOutputStream out = fs.create(versionHintFile, true /* overwrite
*/)) {
-
out.write(String.valueOf(versionToWrite).getBytes(StandardCharsets.UTF_8));
+ try {
+ Path tempVersionHintFile = metadataPath(UUID.randomUUID().toString() +
"-version-hint.temp");
+ writeVersionToPath(fs, tempVersionHintFile, versionToWrite);
+ fs.delete(versionHintFile, false);
+ fs.rename(tempVersionHintFile, versionHintFile);
} catch (IOException e) {
LOG.warn("Failed to update version hint", e);
}
}
+ private void writeVersionToPath(FileSystem fs, Path path, int
versionToWrite) throws IOException {
+ try (FSDataOutputStream out = fs.create(path, false)) {
Review comment:
Boolean parameters need inline comments to explain what they are. What
does `false` here do?
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