hanishakoneru commented on a change in pull request #855:
URL: https://github.com/apache/hadoop-ozone/pull/855#discussion_r414128556
##########
File path:
hadoop-hdds/common/src/main/java/org/apache/hadoop/ozone/OzoneConsts.java
##########
@@ -329,4 +329,8 @@ private OzoneConsts() {
public static final String GDPR_ALGORITHM = "algorithm";
+ // Transaction Info
+ public static final String TRANSACTION_INFO_KEY = "TRANSACTIONINFO";
+ public static final String TRANSACTION_INFO_SPLIT_KEY = "-";
+
Review comment:
Question out of curiosity: In another patch (HDDS-3217), the Keys in DB
are suffixed with a #. Is that a just convention followed for ContainerDBs or
has any significance?
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File path:
hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/ratis/OMTransactionInfo.java
##########
@@ -0,0 +1,69 @@
+/*
+ * 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.om.ratis;
+
+import com.google.common.base.Preconditions;
+import org.apache.hadoop.ozone.OzoneConsts;
+
+/**
+ * TransactionInfo which is applied to OM DB.
+ */
+public class OMTransactionInfo {
+
+ private long currentTerm;
+ private long transactionIndex;
Review comment:
Can we add a comment here that the transactionIndex corresponds to the
Ratis Log Index. Would help if someone is trying to correlate this to Ratis
snapshots.
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