danny0405 commented on code in PR #13473:
URL: https://github.com/apache/hudi/pull/13473#discussion_r2288153824
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hudi-common/src/main/java/org/apache/hudi/common/table/HoodieTableConfig.java:
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@@ -504,6 +505,7 @@ public static void recover(HoodieStorage storage,
StoragePath metadataFolder) th
private static void modify(HoodieStorage storage, StoragePath
metadataFolder, Properties modifyProps, BiConsumer<Properties, Properties>
modifyFn) {
StoragePath cfgPath = new StoragePath(metadataFolder,
HOODIE_PROPERTIES_FILE);
StoragePath backupCfgPath = new StoragePath(metadataFolder,
HOODIE_PROPERTIES_FILE_BACKUP);
+ StoragePath tempCfgPath = new StoragePath(metadataFolder,
HOODIE_PROPERTIES_FILE + HOODIE_TEMP_FILE_SUFFIX);
Review Comment:
I did't see the issues, just try to understand why this is needed, we
already have backup file and checksum validation for cfg file, when the file is
empty, the checksum would be invalid, and the reader would just read from
backup file.
It looks like what is really problematic is the `#recoverIfNeeded`, it just
check the file existence of the `cfgPath` but not the checksum, which could
incur empty files like you mentioned.
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