ArafatKhan2198 commented on code in PR #8797:
URL: https://github.com/apache/ozone/pull/8797#discussion_r2255966168
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hadoop-ozone/recon/src/main/java/org/apache/hadoop/ozone/recon/tasks/NSSummaryTaskDbEventHandler.java:
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@@ -157,35 +175,59 @@ protected void handleDeleteKeyEvent(OmKeyInfo keyInfo,
int binIndex = ReconUtils.getFileSizeBinIndex(keyInfo.getDataSize());
- // decrement count, data size, and bucket count
- // even if there's no direct key, we still keep the entry because
- // we still need children dir IDs info
+ // Decrement immediate parent's totals (these fields now represent totals)
nsSummary.setNumOfFiles(nsSummary.getNumOfFiles() - 1);
nsSummary.setSizeOfFiles(nsSummary.getSizeOfFiles() -
keyInfo.getDataSize());
--fileBucket[binIndex];
nsSummary.setFileSizeBucket(fileBucket);
nsSummaryMap.put(parentObjectId, nsSummary);
+
+ // Propagate upwards to all parents in the parent chain
+ propagateSizeUpwards(parentObjectId, -keyInfo.getDataSize(), -1,
nsSummaryMap);
}
protected void handleDeleteDirEvent(OmDirectoryInfo directoryInfo,
Map<Long, NSSummary> nsSummaryMap)
throws IOException {
+ long deletedDirObjectId = directoryInfo.getObjectID();
long parentObjectId = directoryInfo.getParentObjectID();
- // Try to get the NSSummary from our local map that maps NSSummaries to IDs
- NSSummary nsSummary = nsSummaryMap.get(parentObjectId);
- if (nsSummary == null) {
- // If we don't have it in this batch we try to get it from the DB
- nsSummary = reconNamespaceSummaryManager.getNSSummary(parentObjectId);
+
+ // Get the deleted directory's NSSummary to extract its totals
+ NSSummary deletedDirSummary = nsSummaryMap.get(deletedDirObjectId);
+ if (deletedDirSummary == null) {
+ deletedDirSummary =
reconNamespaceSummaryManager.getNSSummary(deletedDirObjectId);
+ }
+
+ // Get the parent directory's NSSummary
+ NSSummary parentNsSummary = nsSummaryMap.get(parentObjectId);
+ if (parentNsSummary == null) {
+ parentNsSummary =
reconNamespaceSummaryManager.getNSSummary(parentObjectId);
}
// Just in case the OmDirectoryInfo isn't correctly written.
- if (nsSummary == null) {
+ if (parentNsSummary == null) {
LOG.error("The namespace table is not correctly populated.");
return;
}
- nsSummary.removeChildDir(directoryInfo.getObjectID());
- nsSummaryMap.put(parentObjectId, nsSummary);
+ // If deleted directory exists, decrement its totals from parent and
propagate
+ if (deletedDirSummary != null) {
+ // Decrement parent's totals by the deleted directory's totals
+ parentNsSummary.setNumOfFiles(parentNsSummary.getNumOfFiles() -
deletedDirSummary.getNumOfFiles());
+ parentNsSummary.setSizeOfFiles(parentNsSummary.getSizeOfFiles() -
deletedDirSummary.getSizeOfFiles());
+
+ // Propagate the decrements upwards to all ancestors
+ propagateSizeUpwards(parentObjectId,
-deletedDirSummary.getSizeOfFiles(),
+ -deletedDirSummary.getNumOfFiles(), nsSummaryMap);
+
+ // Set the deleted directory's parentId to 0 (unlink it)
+ deletedDirSummary.setParentId(0);
Review Comment:
Resolving as discussed!
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