| /* |
| * |
| * 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.regionserver; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.io.IOException; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.hbase.*; |
| import org.apache.hadoop.hbase.client.Increment; |
| import org.apache.hadoop.hbase.client.Result; |
| import org.apache.hadoop.hbase.util.Bytes; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| @Category(SmallTests.class) |
| public class TestResettingCounters { |
| |
| @Test |
| public void testResettingCounters() throws Exception { |
| |
| HBaseTestingUtility htu = new HBaseTestingUtility(); |
| Configuration conf = htu.getConfiguration(); |
| FileSystem fs = FileSystem.get(conf); |
| byte [] table = Bytes.toBytes("table"); |
| byte [][] families = new byte [][] { |
| Bytes.toBytes("family1"), |
| Bytes.toBytes("family2"), |
| Bytes.toBytes("family3") |
| }; |
| int numQualifiers = 10; |
| byte [][] qualifiers = new byte [numQualifiers][]; |
| for (int i=0; i<numQualifiers; i++) qualifiers[i] = Bytes.toBytes("qf" + i); |
| int numRows = 10; |
| byte [][] rows = new byte [numRows][]; |
| for (int i=0; i<numRows; i++) rows[i] = Bytes.toBytes("r" + i); |
| |
| HTableDescriptor htd = new HTableDescriptor(table); |
| for (byte [] family : families) htd.addFamily(new HColumnDescriptor(family)); |
| |
| HRegionInfo hri = new HRegionInfo(htd.getName(), null, null, false); |
| String testDir = htu.getDataTestDir() + "/TestResettingCounters/"; |
| Path path = new Path(testDir); |
| if (fs.exists(path)) { |
| if (!fs.delete(path, true)) { |
| throw new IOException("Failed delete of " + path); |
| } |
| } |
| HRegion region = HRegion.createHRegion(hri, path, conf, htd); |
| try { |
| Increment odd = new Increment(rows[0]); |
| Increment even = new Increment(rows[0]); |
| Increment all = new Increment(rows[0]); |
| for (int i=0;i<numQualifiers;i++) { |
| if (i % 2 == 0) even.addColumn(families[0], qualifiers[i], 1); |
| else odd.addColumn(families[0], qualifiers[i], 1); |
| all.addColumn(families[0], qualifiers[i], 1); |
| } |
| |
| // increment odd qualifiers 5 times and flush |
| for (int i=0;i<5;i++) region.increment(odd, null, false); |
| region.flushcache(); |
| |
| // increment even qualifiers 5 times |
| for (int i=0;i<5;i++) region.increment(even, null, false); |
| |
| // increment all qualifiers, should have value=6 for all |
| Result result = region.increment(all, null, false); |
| assertEquals(numQualifiers, result.size()); |
| KeyValue [] kvs = result.raw(); |
| for (int i=0;i<kvs.length;i++) { |
| System.out.println(kvs[i].toString()); |
| assertTrue(Bytes.equals(kvs[i].getQualifier(), qualifiers[i])); |
| assertEquals(6, Bytes.toLong(kvs[i].getValue())); |
| } |
| } finally { |
| HRegion.closeHRegion(region); |
| } |
| HRegion.closeHRegion(region); |
| } |
| |
| @org.junit.Rule |
| public org.apache.hadoop.hbase.ResourceCheckerJUnitRule cu = |
| new org.apache.hadoop.hbase.ResourceCheckerJUnitRule(); |
| } |
| |