ArafatKhan2198 commented on code in PR #6492:
URL: https://github.com/apache/ozone/pull/6492#discussion_r1583242681
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hadoop-ozone/recon/src/main/java/org/apache/hadoop/ozone/recon/codec/NSSummaryCodec.java:
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@@ -117,6 +120,14 @@ public NSSummary fromPersistedFormat(byte[] rawData)
throws IOException {
assert (bytesRead == strLen);
String dirName = stringCodec.fromPersistedFormat(buffer);
res.setDirName(dirName);
+ long parentId = in.readLong();
+ if (parentId == 0) {
+ // Set the parent ID to -1 to indicate that it is old data from
+ // the cluster and the value has not yet been set.
+ res.setParentId(-1);
Review Comment:
`Zero` represents it does not have a parent ID but the data is newly
created. And `-1` signifies that this is an old data and will need a full
reprocess trigger.
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