danny0405 commented on code in PR #13740:
URL: https://github.com/apache/hudi/pull/13740#discussion_r2289696341
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hudi-common/src/main/java/org/apache/hudi/common/util/ConfigUtils.java:
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@@ -685,11 +686,37 @@ public static TypedProperties fetchConfigs(
public static void recoverIfNeeded(HoodieStorage storage, StoragePath
cfgPath,
StoragePath backupCfgPath) throws
IOException {
+ boolean needCopy = false;
if (!storage.exists(cfgPath)) {
- // copy over from backup
- try (InputStream in = storage.open(backupCfgPath);
- OutputStream out = storage.create(cfgPath, false)) {
- FileIOUtils.copy(in, out);
+ needCopy = true;
+ } else {
+ TypedProperties props = new TypedProperties();
+ try (InputStream in = storage.open(cfgPath)) {
+ props.load(in);
+ if (!props.containsKey(TABLE_CHECKSUM.key()) ||
!HoodieTableConfig.validateChecksum(props)) {
+ // the cfg file is invalid
+ storage.deleteFile(cfgPath);
+ needCopy = true;
+ }
+ }
+ }
+ if (needCopy && storage.exists(backupCfgPath)) {
Review Comment:
when needCopy is true, the `backupCfgPath` must always exist?
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