| /* |
| * 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.accumulo.test; |
| |
| import static org.apache.accumulo.fate.util.UtilWaitThread.sleepUninterruptibly; |
| import static org.junit.Assert.assertEquals; |
| |
| import java.util.Map.Entry; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.apache.accumulo.core.client.Accumulo; |
| import org.apache.accumulo.core.client.AccumuloClient; |
| import org.apache.accumulo.core.client.BatchWriter; |
| import org.apache.accumulo.core.client.Scanner; |
| import org.apache.accumulo.core.client.TableNotFoundException; |
| import org.apache.accumulo.core.data.Key; |
| import org.apache.accumulo.core.data.Mutation; |
| import org.apache.accumulo.core.data.Range; |
| import org.apache.accumulo.core.data.TableId; |
| import org.apache.accumulo.core.data.Value; |
| import org.apache.accumulo.core.dataImpl.KeyExtent; |
| import org.apache.accumulo.core.metadata.MetadataTable; |
| import org.apache.accumulo.core.metadata.schema.MetadataSchema.TabletsSection.CurrentLocationColumnFamily; |
| import org.apache.accumulo.core.metadata.schema.MetadataSchema.TabletsSection.DataFileColumnFamily; |
| import org.apache.accumulo.core.metadata.schema.MetadataSchema.TabletsSection.ServerColumnFamily; |
| import org.apache.accumulo.core.metadata.schema.MetadataSchema.TabletsSection.TabletColumnFamily; |
| import org.apache.accumulo.core.security.Authorizations; |
| import org.apache.accumulo.core.security.TablePermission; |
| import org.apache.accumulo.harness.AccumuloClusterHarness; |
| import org.apache.hadoop.io.Text; |
| import org.junit.Test; |
| |
| import com.google.common.collect.Iterators; |
| |
| public class SplitRecoveryIT extends AccumuloClusterHarness { |
| |
| private Mutation m(String row) { |
| Mutation result = new Mutation(row); |
| result.put("cf", "cq", new Value("value")); |
| return result; |
| } |
| |
| boolean isOffline(String tablename, AccumuloClient client) throws TableNotFoundException { |
| String tableId = client.tableOperations().tableIdMap().get(tablename); |
| try (Scanner scanner = client.createScanner(MetadataTable.NAME, Authorizations.EMPTY)) { |
| scanner.setRange(new Range(new Text(tableId + ";"), new Text(tableId + "<"))); |
| scanner.fetchColumnFamily(CurrentLocationColumnFamily.NAME); |
| return Iterators.size(scanner.iterator()) == 0; |
| } |
| } |
| |
| @Override |
| public int defaultTimeoutSeconds() { |
| return 60; |
| } |
| |
| @Test |
| public void test() throws Exception { |
| |
| String tableName = getUniqueNames(1)[0]; |
| |
| try (AccumuloClient client = Accumulo.newClient().from(getClientProps()).build()) { |
| for (int tn = 0; tn < 2; tn++) { |
| // create a table and put some data in it |
| client.tableOperations().create(tableName); |
| try (BatchWriter bw = client.createBatchWriter(tableName)) { |
| bw.addMutation(m("a")); |
| bw.addMutation(m("b")); |
| bw.addMutation(m("c")); |
| } |
| // take the table offline |
| client.tableOperations().offline(tableName); |
| while (!isOffline(tableName, client)) |
| sleepUninterruptibly(200, TimeUnit.MILLISECONDS); |
| |
| // poke a partial split into the metadata table |
| client.securityOperations().grantTablePermission(getAdminPrincipal(), MetadataTable.NAME, |
| TablePermission.WRITE); |
| TableId tableId = TableId.of(client.tableOperations().tableIdMap().get(tableName)); |
| |
| KeyExtent extent = new KeyExtent(tableId, null, new Text("b")); |
| Mutation m = TabletColumnFamily.createPrevRowMutation(extent); |
| |
| TabletColumnFamily.SPLIT_RATIO_COLUMN.put(m, new Value(Double.toString(0.5))); |
| TabletColumnFamily.OLD_PREV_ROW_COLUMN.put(m, TabletColumnFamily.encodePrevEndRow(null)); |
| try (BatchWriter bw = client.createBatchWriter(MetadataTable.NAME)) { |
| bw.addMutation(m); |
| |
| if (tn == 1) { |
| bw.flush(); |
| |
| try (Scanner scanner = client.createScanner(MetadataTable.NAME)) { |
| scanner.setRange(extent.toMetaRange()); |
| scanner.fetchColumnFamily(DataFileColumnFamily.NAME); |
| |
| KeyExtent extent2 = new KeyExtent(tableId, new Text("b"), null); |
| m = TabletColumnFamily.createPrevRowMutation(extent2); |
| ServerColumnFamily.DIRECTORY_COLUMN.put(m, new Value("t2")); |
| ServerColumnFamily.TIME_COLUMN.put(m, new Value("M0")); |
| |
| for (Entry<Key,Value> entry : scanner) { |
| m.put(DataFileColumnFamily.NAME, entry.getKey().getColumnQualifier(), |
| entry.getValue()); |
| } |
| bw.addMutation(m); |
| } |
| } |
| } |
| |
| // bring the table online |
| client.tableOperations().online(tableName); |
| |
| // verify the tablets went online |
| try (Scanner scanner = client.createScanner(tableName)) { |
| int i = 0; |
| String[] expected = {"a", "b", "c"}; |
| for (Entry<Key,Value> entry : scanner) { |
| assertEquals(expected[i], entry.getKey().getRow().toString()); |
| i++; |
| } |
| assertEquals(3, i); |
| |
| client.tableOperations().delete(tableName); |
| } |
| } |
| } |
| } |
| } |