ArafatKhan2198 commented on code in PR #5037:
URL: https://github.com/apache/ozone/pull/5037#discussion_r1415772804
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hadoop-ozone/recon/src/main/java/org/apache/hadoop/ozone/recon/tasks/DeletedDirectoryTableHandler.java:
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@@ -0,0 +1,165 @@
+package org.apache.hadoop.ozone.recon.tasks;
+
+import org.apache.commons.lang3.tuple.Triple;
+import org.apache.hadoop.hdds.utils.db.Table;
+import org.apache.hadoop.hdds.utils.db.TableIterator;
+import org.apache.hadoop.ozone.om.helpers.OmKeyInfo;
+import org.apache.hadoop.ozone.recon.api.types.NSSummary;
+import org.apache.hadoop.ozone.recon.spi.impl.ReconNamespaceSummaryManagerImpl;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.IOException;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * Manages records in the Deleted Directory Table, updating counts and sizes of
+ * pending Directory Deletions in the backend.
+ */
+public class DeletedDirectoryTableHandler implements OmTableHandler {
+
+ private ReconNamespaceSummaryManagerImpl reconNamespaceSummaryManager;
+
+ private static final Logger LOG =
+ LoggerFactory.getLogger(DeletedTableHandler.class);
+
+ public DeletedDirectoryTableHandler(
+ ReconNamespaceSummaryManagerImpl reconNamespaceSummaryManager) {
+ this.reconNamespaceSummaryManager = reconNamespaceSummaryManager;
+ }
+
+ /**
+ * Invoked by the process method to add information on those directories that
+ * have been backlogged in the backend for deletion.
+ */
+ @Override
+ public void handlePutEvent(OMDBUpdateEvent<String, Object> event,
+ String tableName,
+ Collection<String> sizeRelatedTables,
+ HashMap<String, Long> objectCountMap,
+ HashMap<String, Long> unreplicatedSizeCountMap,
+ HashMap<String, Long> replicatedSizeCountMap)
+ throws IOException {
+ String countKey = getTableCountKeyFromTable(tableName);
+ String unReplicatedSizeKey = getUnReplicatedSizeKeyFromTable(tableName);
+
+ if (event.getValue() != null) {
+ OmKeyInfo omKeyInfo = (OmKeyInfo) event.getValue();
+ objectCountMap.computeIfPresent(countKey, (k, count) -> count + 1L);
+ Long newDeletedDirectorySize =
+ fetchSizeForDeletedDirectory(omKeyInfo.getObjectID());
+ unreplicatedSizeCountMap.computeIfPresent(unReplicatedSizeKey,
Review Comment:
Thanks I have added a method that fetches the replication number from the
configs.
We can use it to multiply the unReplicated data present.
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