| /* |
| * 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.iotdb.db.integration; |
| |
| import org.apache.iotdb.db.engine.cache.ChunkCache; |
| import org.apache.iotdb.db.engine.cache.TimeSeriesMetadataCache; |
| import org.apache.iotdb.db.exception.StorageEngineException; |
| import org.apache.iotdb.db.utils.EnvironmentUtils; |
| import org.apache.iotdb.jdbc.Config; |
| |
| import org.junit.AfterClass; |
| import org.junit.Assert; |
| import org.junit.BeforeClass; |
| |
| import java.sql.Connection; |
| import java.sql.DriverManager; |
| import java.sql.ResultSet; |
| import java.sql.Statement; |
| import java.util.concurrent.TimeUnit; |
| |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| public class IoTDBClearCacheIT { |
| |
| private static final String[] sqls = |
| new String[] { |
| "set storage group to root.ln", |
| "create timeseries root.ln.wf01.wt01.status with datatype=BOOLEAN,encoding=PLAIN", |
| "insert into root.ln.wf01.wt01(timestamp,status) values(1509465600000,true)", |
| "insert into root.ln.wf01.wt01(timestamp,status) values(1509465660000,true)", |
| "insert into root.ln.wf01.wt01(timestamp,status) values(1509465720000,false)", |
| "insert into root.ln.wf01.wt01(timestamp,status) values(1509465780000,false)", |
| "insert into root.ln.wf01.wt01(timestamp,status) values(1509465840000,false)", |
| "insert into root.ln.wf01.wt01(timestamp,status) values(1509465900000,false)", |
| "insert into root.ln.wf01.wt01(timestamp,status) values(1509465960000,false)", |
| "insert into root.ln.wf01.wt01(timestamp,status) values(1509466020000,false)", |
| "insert into root.ln.wf01.wt01(timestamp,status) values(1509466080000,false)", |
| "insert into root.ln.wf01.wt01(timestamp,status) values(1509466140000,false)", |
| "create timeseries root.ln.wf01.wt01.temperature with datatype=FLOAT,encoding=RLE", |
| "insert into root.ln.wf01.wt01(timestamp,temperature) values(1509465600000,25.957603)", |
| "insert into root.ln.wf01.wt01(timestamp,temperature) values(1509465660000,24.359503)", |
| "insert into root.ln.wf01.wt01(timestamp,temperature) values(1509465720000,20.092794)", |
| "insert into root.ln.wf01.wt01(timestamp,temperature) values(1509465780000,20.182663)", |
| "insert into root.ln.wf01.wt01(timestamp,temperature) values(1509465840000,21.125198)", |
| "insert into root.ln.wf01.wt01(timestamp,temperature) values(1509465900000,22.720892)", |
| "insert into root.ln.wf01.wt01(timestamp,temperature) values(1509465960000,20.71)", |
| "insert into root.ln.wf01.wt01(timestamp,temperature) values(1509466020000,21.451046)", |
| "insert into root.ln.wf01.wt01(timestamp,temperature) values(1509466080000,22.57987)", |
| "insert into root.ln.wf01.wt01(timestamp,temperature) values(1509466140000,20.98177)", |
| "create timeseries root.ln.wf02.wt02.hardware with datatype=TEXT,encoding=PLAIN", |
| "insert into root.ln.wf02.wt02(timestamp,hardware) values(1509465600000,\"v2\")", |
| "insert into root.ln.wf02.wt02(timestamp,hardware) values(1509465660000,\"v2\")", |
| "insert into root.ln.wf02.wt02(timestamp,hardware) values(1509465720000,\"v1\")", |
| "insert into root.ln.wf02.wt02(timestamp,hardware) values(1509465780000,\"v1\")", |
| "insert into root.ln.wf02.wt02(timestamp,hardware) values(1509465840000,\"v1\")", |
| "insert into root.ln.wf02.wt02(timestamp,hardware) values(1509465900000,\"v1\")", |
| "insert into root.ln.wf02.wt02(timestamp,hardware) values(1509465960000,\"v1\")", |
| "insert into root.ln.wf02.wt02(timestamp,hardware) values(1509466020000,\"v1\")", |
| "insert into root.ln.wf02.wt02(timestamp,hardware) values(1509466080000,\"v1\")", |
| "insert into root.ln.wf02.wt02(timestamp,hardware) values(1509466140000,\"v1\")", |
| "create timeseries root.ln.wf02.wt02.status with datatype=BOOLEAN,encoding=PLAIN", |
| "insert into root.ln.wf02.wt02(timestamp,status) values(1509465600000,true)", |
| "insert into root.ln.wf02.wt02(timestamp,status) values(1509465660000,true)", |
| "insert into root.ln.wf02.wt02(timestamp,status) values(1509465720000,false)", |
| "insert into root.ln.wf02.wt02(timestamp,status) values(1509465780000,false)", |
| "insert into root.ln.wf02.wt02(timestamp,status) values(1509465840000,false)", |
| "insert into root.ln.wf02.wt02(timestamp,status) values(1509465900000,false)", |
| "insert into root.ln.wf02.wt02(timestamp,status) values(1509465960000,false)", |
| "insert into root.ln.wf02.wt02(timestamp,status) values(1509466020000,false)", |
| "insert into root.ln.wf02.wt02(timestamp,status) values(1509466080000,false)", |
| "insert into root.ln.wf02.wt02(timestamp,status) values(1509466140000,false)", |
| "set storage group to root.sgcc", |
| "create timeseries root.sgcc.wf03.wt01.status with datatype=BOOLEAN,encoding=PLAIN", |
| "insert into root.sgcc.wf03.wt01(timestamp,status) values(1509465600000,true)", |
| "insert into root.sgcc.wf03.wt01(timestamp,status) values(1509465660000,true)", |
| "insert into root.sgcc.wf03.wt01(timestamp,status) values(1509465720000,false)", |
| "insert into root.sgcc.wf03.wt01(timestamp,status) values(1509465780000,false)", |
| "insert into root.sgcc.wf03.wt01(timestamp,status) values(1509465840000,false)", |
| "insert into root.sgcc.wf03.wt01(timestamp,status) values(1509465900000,false)", |
| "insert into root.sgcc.wf03.wt01(timestamp,status) values(1509465960000,false)", |
| "insert into root.sgcc.wf03.wt01(timestamp,status) values(1509466020000,false)", |
| "insert into root.sgcc.wf03.wt01(timestamp,status) values(1509466080000,false)", |
| "insert into root.sgcc.wf03.wt01(timestamp,status) values(1509466140000,false)", |
| "create timeseries root.sgcc.wf03.wt01.temperature with datatype=FLOAT,encoding=RLE", |
| "insert into root.sgcc.wf03.wt01(timestamp,temperature) values(1509465600000,25.957603)", |
| "insert into root.sgcc.wf03.wt01(timestamp,temperature) values(1509465660000,24.359503)", |
| "insert into root.sgcc.wf03.wt01(timestamp,temperature) values(1509465720000,20.092794)", |
| "insert into root.sgcc.wf03.wt01(timestamp,temperature) values(1509465780000,20.182663)", |
| "insert into root.sgcc.wf03.wt01(timestamp,temperature) values(1509465840000,21.125198)", |
| "insert into root.sgcc.wf03.wt01(timestamp,temperature) values(1509465900000,22.720892)", |
| "insert into root.sgcc.wf03.wt01(timestamp,temperature) values(1509465960000,20.71)", |
| "insert into root.sgcc.wf03.wt01(timestamp,temperature) values(1509466020000,21.451046)", |
| "insert into root.sgcc.wf03.wt01(timestamp,temperature) values(1509466080000,22.57987)", |
| "insert into root.sgcc.wf03.wt01(timestamp,temperature) values(1509466140000,20.98177)", |
| "flush" |
| }; |
| |
| // the unit is ns |
| private static final long MAX_WAIT_TIME_FOR_CLEAR_CACHE = 60_000_000_000L; |
| |
| @BeforeClass |
| public static void setUp() throws Exception { |
| EnvironmentUtils.closeStatMonitor(); |
| EnvironmentUtils.envSetUp(); |
| |
| importData(); |
| } |
| |
| @AfterClass |
| public static void tearDown() throws Exception { |
| EnvironmentUtils.cleanEnv(); |
| } |
| |
| private static void importData() throws ClassNotFoundException { |
| Class.forName(Config.JDBC_DRIVER_NAME); |
| try (Connection connection = |
| DriverManager.getConnection( |
| Config.IOTDB_URL_PREFIX + "127.0.0.1:6667/", "root", "root"); |
| Statement statement = connection.createStatement()) { |
| |
| for (String sql : sqls) { |
| statement.execute(sql); |
| } |
| } catch (Exception e) { |
| e.printStackTrace(); |
| fail(e.getMessage()); |
| } |
| } |
| |
| // Current LRUCache can not be really cleared easily. We screen this test for |
| // emergent releasing v0.12.1. |
| // @Test |
| public void clearCacheTest() throws ClassNotFoundException { |
| Class.forName(Config.JDBC_DRIVER_NAME); |
| try (Connection connection = |
| DriverManager.getConnection( |
| Config.IOTDB_URL_PREFIX + "127.0.0.1:6667/", "root", "root"); |
| Statement statement = connection.createStatement()) { |
| boolean hasResultSet = statement.execute("select * from root where time > 10"); |
| assertTrue(hasResultSet); |
| |
| try (ResultSet resultSet = statement.getResultSet()) { |
| int cnt = 0; |
| while (resultSet.next()) { |
| cnt++; |
| } |
| Assert.assertEquals(10, cnt); |
| } |
| assertFalse(ChunkCache.getInstance().isEmpty()); |
| assertFalse(TimeSeriesMetadataCache.getInstance().isEmpty()); |
| |
| statement.execute("CLEAR CACHE"); |
| |
| assertTrue(waitForClearCacheFinish()); |
| assertTrue(TimeSeriesMetadataCache.getInstance().isEmpty()); |
| |
| } catch (Exception e) { |
| e.printStackTrace(); |
| fail(e.getMessage()); |
| } |
| } |
| |
| /** wait until merge is finished */ |
| private boolean waitForClearCacheFinish() throws StorageEngineException, InterruptedException { |
| |
| long startTime = System.nanoTime(); |
| // get the size of level 1's tsfile list to judge whether merge is finished |
| while (!ChunkCache.getInstance().isEmpty() |
| || !TimeSeriesMetadataCache.getInstance().isEmpty()) { |
| TimeUnit.MILLISECONDS.sleep(100); |
| // wait too long, just break |
| if ((System.nanoTime() - startTime) >= MAX_WAIT_TIME_FOR_CLEAR_CACHE) { |
| break; |
| } |
| } |
| return ChunkCache.getInstance().isEmpty() && TimeSeriesMetadataCache.getInstance().isEmpty(); |
| } |
| } |
