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| 1 | +/* |
| 2 | + * Licensed to the Apache Software Foundation (ASF) under one |
| 3 | + * or more contributor license agreements. See the NOTICE file |
| 4 | + * distributed with this work for additional information |
| 5 | + * regarding copyright ownership. The ASF licenses this file |
| 6 | + * to you under the Apache License, Version 2.0 (the |
| 7 | + * "License"); you may not use this file except in compliance |
| 8 | + * with the License. You may obtain a copy of the License at |
| 9 | + * |
| 10 | + * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | + * |
| 12 | + * Unless required by applicable law or agreed to in writing, software |
| 13 | + * distributed under the License is distributed on an "AS IS" BASIS, |
| 14 | + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 15 | + * See the License for the specific language governing permissions and |
| 16 | + * limitations under the License. |
| 17 | + */ |
| 18 | +package org.apache.hadoop.hbase.quotas; |
| 19 | + |
| 20 | +import static org.apache.hadoop.hbase.quotas.ThrottleQuotaTestUtil.triggerUserCacheRefresh; |
| 21 | +import static org.apache.hadoop.hbase.quotas.ThrottleQuotaTestUtil.waitMinuteQuota; |
| 22 | + |
| 23 | +import java.io.IOException; |
| 24 | +import java.util.UUID; |
| 25 | +import java.util.concurrent.TimeUnit; |
| 26 | +import org.apache.hadoop.hbase.HBaseClassTestRule; |
| 27 | +import org.apache.hadoop.hbase.HBaseTestingUtil; |
| 28 | +import org.apache.hadoop.hbase.HConstants; |
| 29 | +import org.apache.hadoop.hbase.TableName; |
| 30 | +import org.apache.hadoop.hbase.client.Admin; |
| 31 | +import org.apache.hadoop.hbase.client.Table; |
| 32 | +import org.apache.hadoop.hbase.security.User; |
| 33 | +import org.apache.hadoop.hbase.testclassification.MediumTests; |
| 34 | +import org.apache.hadoop.hbase.testclassification.RegionServerTests; |
| 35 | +import org.apache.hadoop.hbase.util.Bytes; |
| 36 | +import org.apache.hadoop.hbase.util.EnvironmentEdgeManager; |
| 37 | +import org.junit.After; |
| 38 | +import org.junit.BeforeClass; |
| 39 | +import org.junit.ClassRule; |
| 40 | +import org.junit.Test; |
| 41 | +import org.junit.experimental.categories.Category; |
| 42 | + |
| 43 | +@Category({ RegionServerTests.class, MediumTests.class }) |
| 44 | +public class TestDefaultQuota { |
| 45 | + @ClassRule |
| 46 | + public static final HBaseClassTestRule CLASS_RULE = |
| 47 | + HBaseClassTestRule.forClass(TestDefaultQuota.class); |
| 48 | + private static final HBaseTestingUtil TEST_UTIL = new HBaseTestingUtil(); |
| 49 | + private static final TableName TABLE_NAME = TableName.valueOf(UUID.randomUUID().toString()); |
| 50 | + private static final int REFRESH_TIME = 5000; |
| 51 | + private static final byte[] FAMILY = Bytes.toBytes("cf"); |
| 52 | + private static final byte[] QUALIFIER = Bytes.toBytes("q"); |
| 53 | + |
| 54 | + @After |
| 55 | + public void tearDown() throws Exception { |
| 56 | + ThrottleQuotaTestUtil.clearQuotaCache(TEST_UTIL); |
| 57 | + EnvironmentEdgeManager.reset(); |
| 58 | + TEST_UTIL.deleteTable(TABLE_NAME); |
| 59 | + TEST_UTIL.shutdownMiniCluster(); |
| 60 | + } |
| 61 | + |
| 62 | + @BeforeClass |
| 63 | + public static void setUpBeforeClass() throws Exception { |
| 64 | + // quotas enabled, using block bytes scanned |
| 65 | + TEST_UTIL.getConfiguration().setBoolean(QuotaUtil.QUOTA_CONF_KEY, true); |
| 66 | + TEST_UTIL.getConfiguration().setInt(QuotaCache.REFRESH_CONF_KEY, REFRESH_TIME); |
| 67 | + TEST_UTIL.getConfiguration().setInt(QuotaUtil.QUOTA_DEFAULT_USER_MACHINE_READ_NUM, 1); |
| 68 | + |
| 69 | + // don't cache blocks to make IO predictable |
| 70 | + TEST_UTIL.getConfiguration().setFloat(HConstants.HFILE_BLOCK_CACHE_SIZE_KEY, 0.0f); |
| 71 | + |
| 72 | + TEST_UTIL.startMiniCluster(1); |
| 73 | + TEST_UTIL.waitTableAvailable(QuotaTableUtil.QUOTA_TABLE_NAME); |
| 74 | + TEST_UTIL.createTable(TABLE_NAME, FAMILY); |
| 75 | + TEST_UTIL.waitTableAvailable(TABLE_NAME); |
| 76 | + QuotaCache.TEST_FORCE_REFRESH = true; |
| 77 | + |
| 78 | + try (Admin admin = TEST_UTIL.getAdmin()) { |
| 79 | + ThrottleQuotaTestUtil.doPuts(1_000, FAMILY, QUALIFIER, |
| 80 | + admin.getConnection().getTable(TABLE_NAME)); |
| 81 | + } |
| 82 | + TEST_UTIL.flush(TABLE_NAME); |
| 83 | + } |
| 84 | + |
| 85 | + @Test |
| 86 | + public void testDefaultUserReadNum() throws Exception { |
| 87 | + // Should have a strict throttle by default |
| 88 | + TEST_UTIL.waitFor(60_000, () -> runGetsTest(100) < 100); |
| 89 | + |
| 90 | + // Add big quota and should be effectively unlimited |
| 91 | + configureLenientThrottle(); |
| 92 | + refreshQuotas(); |
| 93 | + // Should run without error |
| 94 | + TEST_UTIL.waitFor(60_000, () -> runGetsTest(100) == 100); |
| 95 | + |
| 96 | + // Remove all the limits, and should revert to strict default |
| 97 | + unsetQuota(); |
| 98 | + TEST_UTIL.waitFor(60_000, () -> runGetsTest(100) < 100); |
| 99 | + } |
| 100 | + |
| 101 | + private void configureLenientThrottle() throws IOException { |
| 102 | + try (Admin admin = TEST_UTIL.getAdmin()) { |
| 103 | + admin.setQuota(QuotaSettingsFactory.throttleUser(getUserName(), ThrottleType.READ_NUMBER, |
| 104 | + 100_000, TimeUnit.SECONDS)); |
| 105 | + } |
| 106 | + } |
| 107 | + |
| 108 | + private static String getUserName() throws IOException { |
| 109 | + return User.getCurrent().getShortName(); |
| 110 | + } |
| 111 | + |
| 112 | + private void refreshQuotas() throws Exception { |
| 113 | + triggerUserCacheRefresh(TEST_UTIL, false, TABLE_NAME); |
| 114 | + waitMinuteQuota(); |
| 115 | + } |
| 116 | + |
| 117 | + private void unsetQuota() throws Exception { |
| 118 | + try (Admin admin = TEST_UTIL.getAdmin()) { |
| 119 | + admin.setQuota(QuotaSettingsFactory.unthrottleUser(getUserName())); |
| 120 | + } |
| 121 | + refreshQuotas(); |
| 122 | + } |
| 123 | + |
| 124 | + private long runGetsTest(int attempts) throws Exception { |
| 125 | + refreshQuotas(); |
| 126 | + try (Table table = getTable()) { |
| 127 | + return ThrottleQuotaTestUtil.doGets(attempts, FAMILY, QUALIFIER, table); |
| 128 | + } |
| 129 | + } |
| 130 | + |
| 131 | + private Table getTable() throws IOException { |
| 132 | + TEST_UTIL.getConfiguration().setInt("hbase.client.pause", 100); |
| 133 | + TEST_UTIL.getConfiguration().setInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER, 1); |
| 134 | + return TEST_UTIL.getConnection().getTableBuilder(TABLE_NAME, null).setOperationTimeout(250) |
| 135 | + .build(); |
| 136 | + } |
| 137 | + |
| 138 | +} |
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