hgromer commented on code in PR #8694: URL: https://github.com/apache/hbase/pull/8694#discussion_r4171344570
########## hbase-backup/src/test/java/org/apache/hadoop/hbase/backup/TestBackupOfflineRS.java: ########## @@ -0,0 +1,278 @@ +/* + * 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 + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * 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.hbase.backup; + +import static org.junit.jupiter.api.Assertions.assertFalse; +import static org.junit.jupiter.api.Assertions.assertNotNull; +import static org.junit.jupiter.api.Assertions.assertTrue; + +import java.util.List; +import java.util.Map; +import org.apache.hadoop.hbase.HBaseTestingUtil; +import org.apache.hadoop.hbase.SingleProcessHBaseCluster; +import org.apache.hadoop.hbase.TableName; +import org.apache.hadoop.hbase.backup.impl.BackupSystemTable; +import org.apache.hadoop.hbase.client.Admin; +import org.apache.hadoop.hbase.client.Connection; +import org.apache.hadoop.hbase.client.ConnectionFactory; +import org.apache.hadoop.hbase.client.RegionInfo; +import org.apache.hadoop.hbase.regionserver.HRegionServer; +import org.apache.hadoop.hbase.testclassification.LargeTests; +import org.junit.jupiter.api.BeforeAll; +import org.junit.jupiter.api.Tag; +import org.junit.jupiter.api.Test; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import org.apache.hbase.thirdparty.com.google.common.collect.Lists; + +/** + * Tests that WAL files from offline/inactive RegionServers are handled correctly during backup. + * Specifically verifies that WALs from an offline RS are: + * <ol> + * <li>Backed up once in the first backup after the RS goes offline</li> + * <li>NOT re-backed up in subsequent backups</li> + * </ol> + */ +@Tag(LargeTests.TAG) +public class TestBackupOfflineRS extends TestBackupBase { + + private static final Logger LOG = LoggerFactory.getLogger(TestBackupOfflineRS.class); + + @BeforeAll + public static void setUp() throws Exception { + TEST_UTIL = new HBaseTestingUtil(); + conf1 = TEST_UTIL.getConfiguration(); + conf1.setInt("hbase.regionserver.info.port", -1); + autoRestoreOnFailure = true; + useSecondCluster = false; + setUpHelper(); + TEST_UTIL.getMiniHBaseCluster().startRegionServer(); + TEST_UTIL.waitTableAvailable(table1); + } + + /** + * Tests that when a full backup is taken while an RS is offline (with WALs in oldlogs), the + * offline host's timestamps are recorded so subsequent incremental backups don't reinclude those + * WALs. + */ + @Test + public void testBackupWithOfflineRS() throws Exception { + LOG.info("Starting testBackupWithOfflineRS"); + + SingleProcessHBaseCluster cluster = TEST_UTIL.getMiniHBaseCluster(); + List<TableName> tables = Lists.newArrayList(table1); + + if (cluster.getNumLiveRegionServers() < 2) { + cluster.startRegionServer(); + Thread.sleep(2000); + } + + LOG.info("Inserting data to generate WAL entries"); + try (Connection conn = ConnectionFactory.createConnection(conf1)) { + insertIntoTable(conn, table1, famName, 2, 100); + } + + int rsToStop = 0; + HRegionServer rsBeforeStop = cluster.getRegionServer(rsToStop); Review Comment: Good callout, yeah this makes sense to me, thanks. -- 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]
