ArafatKhan2198 commented on code in PR #5037:
URL: https://github.com/apache/ozone/pull/5037#discussion_r1471462253


##########
hadoop-ozone/recon/src/main/java/org/apache/hadoop/ozone/recon/tasks/OmTableInsightTask.java:
##########
@@ -65,14 +63,27 @@ public class OmTableInsightTask implements ReconOmTask {
   private GlobalStatsDao globalStatsDao;
   private Configuration sqlConfiguration;
   private ReconOMMetadataManager reconOMMetadataManager;
+  private ReconNamespaceSummaryManagerImpl reconNamespaceSummaryManager;
+  private Table<Long, NSSummary> nsSummaryTable;
+  private Map<String, OmTableHandler> tableHandlers;
 
   @Inject
   public OmTableInsightTask(GlobalStatsDao globalStatsDao,
-                            Configuration sqlConfiguration,
-                            ReconOMMetadataManager reconOMMetadataManager) {
+                             Configuration sqlConfiguration,
+                             ReconOMMetadataManager reconOMMetadataManager,
+                             ReconNamespaceSummaryManagerImpl
+                                  reconNamespaceSummaryManager) {
     this.globalStatsDao = globalStatsDao;
     this.sqlConfiguration = sqlConfiguration;
     this.reconOMMetadataManager = reconOMMetadataManager;
+    this.reconNamespaceSummaryManager = reconNamespaceSummaryManager;

Review Comment:
   Done!



##########
hadoop-ozone/recon/src/main/java/org/apache/hadoop/ozone/recon/tasks/OmTableInsightTask.java:
##########
@@ -65,14 +63,27 @@ public class OmTableInsightTask implements ReconOmTask {
   private GlobalStatsDao globalStatsDao;
   private Configuration sqlConfiguration;
   private ReconOMMetadataManager reconOMMetadataManager;
+  private ReconNamespaceSummaryManagerImpl reconNamespaceSummaryManager;
+  private Table<Long, NSSummary> nsSummaryTable;

Review Comment:
   Done!



##########
hadoop-ozone/recon/src/main/java/org/apache/hadoop/ozone/recon/tasks/OmTableInsightTask.java:
##########
@@ -65,14 +63,27 @@ public class OmTableInsightTask implements ReconOmTask {
   private GlobalStatsDao globalStatsDao;
   private Configuration sqlConfiguration;
   private ReconOMMetadataManager reconOMMetadataManager;
+  private ReconNamespaceSummaryManagerImpl reconNamespaceSummaryManager;

Review Comment:
   Done!



##########
hadoop-ozone/recon/src/main/java/org/apache/hadoop/ozone/recon/tasks/DeletedKeysInsightHandler.java:
##########
@@ -0,0 +1,159 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.ozone.recon.tasks;
+
+import org.apache.commons.lang3.tuple.Pair;
+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.RepeatedOmKeyInfo;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.IOException;
+import java.util.HashMap;
+
+/**
+ * Manages records in the Deleted Table, updating counts and sizes of
+ * pending Key Deletions in the backend.
+ */
+public class DeletedKeysInsightHandler implements OmTableHandler {
+
+  private static final Logger LOG =
+      LoggerFactory.getLogger(DeletedKeysInsightHandler.class);
+
+  /**
+   * Invoked by the process method to add information on those keys that have
+   * been backlogged in the backend for deletion.
+   */
+  @Override
+  public void handlePutEvent(OMDBUpdateEvent<String, Object> event,
+                             String tableName,
+                             HashMap<String, Long> objectCountMap,
+                             HashMap<String, Long> unReplicatedSizeMap,
+                             HashMap<String, Long> replicatedSizeMap) {
+
+    String countKey = getTableCountKeyFromTable(tableName);
+    String unReplicatedSizeKey = getUnReplicatedSizeKeyFromTable(tableName);
+    String replicatedSizeKey = getReplicatedSizeKeyFromTable(tableName);
+
+    if (event.getValue() != null) {
+      RepeatedOmKeyInfo repeatedOmKeyInfo =
+          (RepeatedOmKeyInfo) event.getValue();
+      objectCountMap.computeIfPresent(countKey,
+          (k, count) -> count + repeatedOmKeyInfo.getOmKeyInfoList().size());
+      Pair<Long, Long> result = repeatedOmKeyInfo.getTotalSize();
+      unReplicatedSizeMap.computeIfPresent(unReplicatedSizeKey,
+          (k, size) -> size + result.getLeft());
+      replicatedSizeMap.computeIfPresent(replicatedSizeKey,
+          (k, size) -> size + result.getRight());
+    } else {
+      LOG.warn("Put event does not have the Key Info for {}.",
+          event.getKey());
+    }
+
+  }
+
+  /**
+   * Invoked by the process method to remove information on those keys that 
have
+   * been successfully deleted from the backend.
+   */
+  @Override
+  public void handleDeleteEvent(OMDBUpdateEvent<String, Object> event,
+                                String tableName,
+                                HashMap<String, Long> objectCountMap,
+                                HashMap<String, Long> unReplicatedSizeMap,
+                                HashMap<String, Long> replicatedSizeMap) {
+
+    String countKey = getTableCountKeyFromTable(tableName);
+    String unReplicatedSizeKey = getUnReplicatedSizeKeyFromTable(tableName);
+    String replicatedSizeKey = getReplicatedSizeKeyFromTable(tableName);
+
+    if (event.getValue() != null) {
+      RepeatedOmKeyInfo repeatedOmKeyInfo =
+          (RepeatedOmKeyInfo) event.getValue();
+      objectCountMap.computeIfPresent(countKey, (k, count) ->
+          count > 0 ? count - repeatedOmKeyInfo.getOmKeyInfoList().size() : 
0L);
+      Pair<Long, Long> result = repeatedOmKeyInfo.getTotalSize();
+      unReplicatedSizeMap.computeIfPresent(unReplicatedSizeKey,
+          (k, size) -> size > result.getLeft() ? size - result.getLeft() : 0L);
+      replicatedSizeMap.computeIfPresent(replicatedSizeKey,
+          (k, size) -> size > result.getRight() ? size - result.getRight() :
+              0L);
+    } else {
+      LOG.warn("Delete event does not have the Key Info for {}.",
+          event.getKey());
+    }
+  }
+
+  /**
+   * Invoked by the process method to update the statistics on the keys
+   * pending to be deleted.
+   */
+  @Override
+  public void handleUpdateEvent(OMDBUpdateEvent<String, Object> event,
+                                String tableName,
+                                HashMap<String, Long> objectCountMap,
+                                HashMap<String, Long> unReplicatedSizeMap,
+                                HashMap<String, Long> replicatedSizeMap) {
+    // The size of deleted keys cannot change hence no-op.
+    return;
+  }
+
+  /**
+   * Invoked by the reprocess method to calculate the records count of the
+   * deleted table and the sizes of replicated and unreplicated keys that are
+   * pending deletion in Ozone.
+   */
+  @Override
+  public Triple<Long, Long, Long> getTableSizeAndCount(
+      TableIterator<String, ? extends Table.KeyValue<String, ?>> iterator)
+      throws IOException {
+    long count = 0;
+    long unReplicatedSize = 0;
+    long replicatedSize = 0;
+
+    if (iterator != null) {
+      while (iterator.hasNext()) {
+        Table.KeyValue<String, ?> kv = iterator.next();
+        if (kv != null && kv.getValue() != null) {
+          RepeatedOmKeyInfo repeatedOmKeyInfo = (RepeatedOmKeyInfo) kv
+              .getValue();
+          Pair<Long, Long> result = repeatedOmKeyInfo.getTotalSize();
+          unReplicatedSize += result.getRight();
+          replicatedSize += result.getLeft();
+          count += repeatedOmKeyInfo.getOmKeyInfoList().size();
+        }
+      }
+    }
+    return Triple.of(count, unReplicatedSize, replicatedSize);
+  }
+
+  public static String getTableCountKeyFromTable(String tableName) {

Review Comment:
   Done!



-- 
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.

To unsubscribe, e-mail: [email protected]

For queries about this service, please contact Infrastructure at:
[email protected]


---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]

Reply via email to