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BDBJEJournalTest.java
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BDBJEJournalTest.java
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// This file is licensed under the Elastic License 2.0. Copyright 2021-present, StarRocks Limited.
package com.starrocks.journal.bdbje;
import com.sleepycat.bind.tuple.TupleBinding;
import com.sleepycat.je.Database;
import com.sleepycat.je.DatabaseEntry;
import com.sleepycat.je.DatabaseNotFoundException;
import com.sleepycat.je.Environment;
import com.sleepycat.je.LockMode;
import com.sleepycat.je.OperationStatus;
import com.sleepycat.je.Transaction;
import com.sleepycat.je.TransactionConfig;
import com.starrocks.common.FeConstants;
import com.starrocks.common.io.DataOutputBuffer;
import com.starrocks.common.io.Text;
import com.starrocks.common.io.Writable;
import com.starrocks.common.util.NetUtils;
import com.starrocks.journal.JournalException;
import com.starrocks.server.GlobalStateMgr;
import mockit.Expectations;
import mockit.Mocked;
import org.apache.commons.io.FileUtils;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import java.io.ByteArrayInputStream;
import java.io.DataInputStream;
import java.io.DataOutput;
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
public class BDBJEJournalTest {
private static final Logger LOG = LogManager.getLogger(BDBJEJournalTest.class);
private File tempDir;
private int restoredCheckpointIntervalSecond;
@Before
public void init() throws Exception{
BDBJEJournal.RETRY_TIME = 3;
BDBJEJournal.SLEEP_INTERVAL_SEC = 0;
// avoid checkpoint
restoredCheckpointIntervalSecond = FeConstants.checkpoint_interval_second;
FeConstants.checkpoint_interval_second = 24 * 60 * 60;
Path rootDir = Paths.get(System.getenv().getOrDefault("BDB_PUT_PROFILE_TEST_BDB_DIR_ROOT", "."));
tempDir = Files.createTempDirectory(rootDir, "BDBJEJournalTest").toFile();
}
@After
public void cleanup() throws Exception {
FileUtils.deleteDirectory(tempDir);
FeConstants.checkpoint_interval_second = restoredCheckpointIntervalSecond;
}
private BDBEnvironment initBDBEnv(String name) throws Exception {
// try to find a port that is not bind
String selfNodeHostPort = null;
for (int port = 9000; port != 120000; port ++) {
if(! NetUtils.isPortUsing("127.0.0.1", port)) {
selfNodeHostPort = "127.0.0.1:" + String.valueOf(port);
break;
}
}
Assert.assertNotNull(selfNodeHostPort);
BDBEnvironment environment = new BDBEnvironment(
tempDir,
name,
selfNodeHostPort,
selfNodeHostPort,
true);
environment.setup();
return environment;
}
private boolean checkKeyExists(long key, Database db) throws Exception {
DatabaseEntry theKey = new DatabaseEntry();
TupleBinding<Long> myBinding = TupleBinding.getPrimitiveBinding(Long.class);
myBinding.objectToEntry(key, theKey);
DatabaseEntry theData = new DatabaseEntry();
OperationStatus operationStatus = db.get(null, theKey, theData, LockMode.READ_COMMITTED);
if (operationStatus == OperationStatus.SUCCESS) {
return true;
} else if (operationStatus == OperationStatus.NOTFOUND) {
return false;
}
Assert.fail();
return false;
}
private String readDBStringValue(long key, Database db) throws IOException {
DatabaseEntry theKey = new DatabaseEntry();
TupleBinding<Long> myBinding = TupleBinding.getPrimitiveBinding(Long.class);
myBinding.objectToEntry(key, theKey);
DatabaseEntry theData = new DatabaseEntry();
OperationStatus operationStatus = db.get(null, theKey, theData, LockMode.READ_COMMITTED);
Assert.assertEquals(OperationStatus.SUCCESS, operationStatus);
byte[] retData = theData.getData();
DataInputStream in = new DataInputStream(new ByteArrayInputStream(retData));
return Text.readString(in);
}
@Test
public void testWrieNoMock() throws Exception {
BDBEnvironment environment = initBDBEnv("testWrieNormal");
CloseSafeDatabase database = environment.openDatabase("testWrieNormal");
BDBJEJournal journal = new BDBJEJournal(environment, database);
String data = "petals on a wet black bough";
Writable writable = new Writable() {
@Override
public void write(DataOutput out) throws IOException {
Text.writeString(out, data);
}
};
DataOutputBuffer buffer = new DataOutputBuffer();
writable.write(buffer);
// 1. initial check
Assert.assertNull(journal.currentTrasaction);
// 2. begin
journal.batchWriteBegin();
Assert.assertNotNull(journal.currentTrasaction);
// 3. write 1
journal.batchWriteAppend(1, buffer);
// 4. commit 1
journal.batchWriteCommit();
Assert.assertNull(journal.currentTrasaction);
// 3. write 2 logs & commit
journal.batchWriteBegin();
Assert.assertNotNull(journal.currentTrasaction);
journal.batchWriteAppend(2, buffer);
journal.batchWriteAppend(3, buffer);
Assert.assertNotNull(journal.currentTrasaction);
// 4. commmit
journal.batchWriteCommit();
Assert.assertNull(journal.currentTrasaction);
// 5. check by read
for (int i = 1; i != 4; i ++) {
String value = readDBStringValue(i, database.getDb());
Assert.assertEquals(data, value);
}
// 6. abort
journal.batchWriteAbort();
Assert.assertNull(journal.currentTrasaction);
// 7. begin -> abort
journal.batchWriteBegin();
journal.batchWriteAbort();
Assert.assertNull(journal.currentTrasaction);
// 8. write log -> abort
journal.batchWriteBegin();
journal.batchWriteAppend(4, buffer);
journal.batchWriteAbort();
Assert.assertFalse(checkKeyExists(4, database.getDb()));
}
@Test
public void testBatchWriteBeginRetry(
@Mocked CloseSafeDatabase database,
@Mocked BDBEnvironment environment,
@Mocked Database rawDatabase,
@Mocked Environment rawEnvironment,
@Mocked Transaction txn) throws Exception {
BDBJEJournal journal = new BDBJEJournal(environment, database);
String data = "petals on a wet black bough";
DataOutputBuffer buffer = new DataOutputBuffer();
Text.writeString(buffer, data);
new Expectations(rawDatabase) {
{
rawDatabase.getEnvironment();
minTimes = 0;
result = rawEnvironment;
}
};
new Expectations(rawEnvironment) {
{
rawEnvironment.beginTransaction(null, (TransactionConfig) any);
times = 2;
result = new DatabaseNotFoundException("mock mock");
result = txn;
}
};
journal.batchWriteBegin();
}
@Test
public void testBatchWriteAppendRetry(
@Mocked CloseSafeDatabase database,
@Mocked BDBEnvironment environment,
@Mocked Database rawDatabase,
@Mocked Environment rawEnvironment,
@Mocked Transaction txn) throws Exception {
BDBJEJournal journal = new BDBJEJournal(environment, database);
String data = "petals on a wet black bough";
DataOutputBuffer buffer = new DataOutputBuffer();
Text.writeString(buffer, data);
new Expectations(database) {
{
database.getDb();
minTimes = 0;
result = rawDatabase;
database.put(txn, (DatabaseEntry) any, (DatabaseEntry) any);
times = 3;
result = new DatabaseNotFoundException("mock mock");
result = OperationStatus.KEYEXIST;
result = OperationStatus.SUCCESS;
}
};
new Expectations(rawDatabase) {
{
rawDatabase.getEnvironment();
minTimes = 0;
result = rawEnvironment;
rawDatabase.getDatabaseName();
minTimes = 0;
result = "fakeDb";
}
};
new Expectations(rawEnvironment) {
{
rawEnvironment.beginTransaction(null, (TransactionConfig) any);
minTimes = 1;
result = txn;
}
};
journal.batchWriteBegin();
Assert.assertNotNull(journal.currentTrasaction);
journal.batchWriteAppend(1, buffer);
}
@Test
public void testBatchWriteCommitRetrySuccess(
@Mocked CloseSafeDatabase database,
@Mocked BDBEnvironment environment,
@Mocked Database rawDatabase,
@Mocked Environment rawEnvironment,
@Mocked Transaction txn) throws Exception {
BDBJEJournal journal = new BDBJEJournal(environment, database);
String data = "petals on a wet black bough";
DataOutputBuffer buffer = new DataOutputBuffer();
Text.writeString(buffer, data);
// write failed and retry, success
new Expectations(database) {
{
database.getDb();
minTimes = 0;
result = rawDatabase;
database.put((Transaction) any, (DatabaseEntry) any, (DatabaseEntry) any);
times = 2; // append & rebuild txn
result = OperationStatus.SUCCESS;
}
};
new Expectations(rawDatabase) {
{
rawDatabase.getEnvironment();
minTimes = 0;
result = rawEnvironment;
rawDatabase.getDatabaseName();
minTimes = 0;
result = "fakeDb";
}
};
new Expectations(rawEnvironment) {
{
rawEnvironment.beginTransaction(null, (TransactionConfig)any);
times = 2; // append & rebuild txn
}
};
// commit fails 2 times
// the first txn is valid, can continue commit
// the second time txn is invalid, we have to rebuild txn
new Expectations(txn) {
{
txn.commit();
times = 3;
result = new DatabaseNotFoundException("mock mock");
result = new DatabaseNotFoundException("mock mock");
result = null;
txn.isValid();
times = 2;
result = true;
result = false;
}
};
journal.batchWriteBegin();
journal.batchWriteAppend(1, buffer);
journal.batchWriteCommit();
}
// retry 1: commit fails
// retry 2: begin txn with exception
// retry 3: put return error
@Test(expected = JournalException.class)
public void commitFailsRebuildFails(
@Mocked CloseSafeDatabase database,
@Mocked BDBEnvironment environment,
@Mocked Database rawDatabase,
@Mocked Environment rawEnvironment,
@Mocked Transaction txn) throws Exception {
BDBJEJournal journal = new BDBJEJournal(environment, database);
String data = "petals on a wet black bough";
DataOutputBuffer buffer = new DataOutputBuffer();
Text.writeString(buffer, data);
// write failed and retry, success
new Expectations(database) {
{
database.getDb();
minTimes = 0;
result = rawDatabase;
database.put((Transaction) any, (DatabaseEntry) any, (DatabaseEntry) any);
times = 4; // append & rebuild txn
result = OperationStatus.SUCCESS;
result = OperationStatus.SUCCESS;
result = OperationStatus.SUCCESS;
result = OperationStatus.KEYEMPTY;
}
};
new Expectations(rawDatabase) {
{
rawDatabase.getEnvironment();
minTimes = 0;
result = rawEnvironment;
rawDatabase.getDatabaseName();
minTimes = 0;
result = "fakeDb";
}
};
new Expectations(rawEnvironment) {
{
rawEnvironment.beginTransaction(null, (TransactionConfig)any);
times = 3; // append & rebuild txn
result = txn;
result = new DatabaseNotFoundException("mock mock: begin txn");
result = txn;
}
};
new Expectations(txn) {
{
txn.commit();
times = 1;
result = new DatabaseNotFoundException("mock mock: commit");
txn.isValid();
times = 1;
result = false;
}
};
journal.batchWriteBegin();
journal.batchWriteAppend(1, buffer);
journal.batchWriteAppend(2, buffer);
journal.batchWriteCommit();
}
@Test(expected = JournalException.class)
public void testAppendNoBegin(
@Mocked CloseSafeDatabase database,
@Mocked BDBEnvironment environment) throws Exception {
BDBJEJournal journal = new BDBJEJournal(environment, database);
String data = "petals on a wet black bough";
DataOutputBuffer buffer = new DataOutputBuffer();
Text.writeString(buffer, data);
journal.batchWriteAppend(1, buffer);
Assert.fail();
}
@Test(expected = JournalException.class)
public void testCommitNoBegin(
@Mocked CloseSafeDatabase database,
@Mocked BDBEnvironment environment) throws Exception {
BDBJEJournal journal = new BDBJEJournal(environment, database);
String data = "petals on a wet black bough";
DataOutputBuffer buffer = new DataOutputBuffer();
Text.writeString(buffer, data);
journal.batchWriteCommit();
Assert.fail();
}
@Test(expected = JournalException.class)
public void testBeginTwice(
@Mocked CloseSafeDatabase database,
@Mocked BDBEnvironment environment) throws Exception {
BDBJEJournal journal = new BDBJEJournal(environment, database);
journal.batchWriteBegin();
Assert.assertNotNull(journal.currentTrasaction);
journal.batchWriteBegin();
Assert.fail();
}
// you can count on me. -- abort
@Test
public void testAbort() throws Exception {
BDBEnvironment environment = initBDBEnv("testAbort");
CloseSafeDatabase database = environment.openDatabase("testWrieNormal");
BDBJEJournal journal = new BDBJEJournal(environment, database);
String data = "petals on a wet black bough";
DataOutputBuffer buffer = new DataOutputBuffer();
Text.writeString(buffer, data);
Assert.assertNull(journal.currentTrasaction);
journal.batchWriteAbort();
Assert.assertNull(journal.currentTrasaction);
journal.batchWriteBegin();
Assert.assertNotNull(journal.currentTrasaction);
journal.batchWriteAbort();
Assert.assertNull(journal.currentTrasaction);
journal.batchWriteBegin();
Assert.assertNotNull(journal.currentTrasaction);
journal.batchWriteAppend(1, buffer);
journal.batchWriteAbort();
Assert.assertNull(journal.currentTrasaction);
journal.batchWriteBegin();
Assert.assertNotNull(journal.currentTrasaction);
journal.batchWriteAppend(2, buffer);
journal.batchWriteCommit();
Assert.assertNull(journal.currentTrasaction);
journal.batchWriteAbort();
Assert.assertNull(journal.currentTrasaction);
}
// test open for the first time, will open a new db with replayedJournalId + 1
@Test
public void testOpenFirstTime(
@Mocked CloseSafeDatabase database,
@Mocked BDBEnvironment environment,
@Mocked GlobalStateMgr globalStateMgr) throws Exception {
new Expectations() {
{
GlobalStateMgr.getCurrentState();
times = 1;
result = globalStateMgr;
}
};
new Expectations(globalStateMgr) {
{
globalStateMgr.getReplayedJournalId();
times = 1;
result = 10;
}
};
new Expectations(environment) {
{
environment.getDatabaseNamesWithPrefix("");
times = 1;
result = new ArrayList();
environment.openDatabase("11");
times = 1;
result = database;
}
};
BDBJEJournal journal = new BDBJEJournal(environment);
journal.open();
}
@Test
public void testOpenNormal(@Mocked CloseSafeDatabase database,
@Mocked BDBEnvironment environment) throws Exception {
new Expectations(environment) {
{
environment.getDatabaseNamesWithPrefix("");
times = 1;
result = Arrays.asList(3L, 23L, 45L);
environment.openDatabase("45");
times = 1;
result = database;
}
};
BDBJEJournal journal = new BDBJEJournal(environment);
journal.open();
}
@Test(expected = JournalException.class)
public void testOpenGetNamesFails(@Mocked BDBEnvironment environment) throws Exception {
new Expectations(environment) {
{
environment.getDatabaseNamesWithPrefix("");
times = 1;
result = null;
}
};
BDBJEJournal journal = new BDBJEJournal(environment);
journal.open();
}
@Test(expected = JournalException.class)
public void testOpenFailManyTimes(@Mocked BDBEnvironment environment) throws Exception {
new Expectations(){
{
Thread.sleep(anyLong);
times = BDBJEJournal.RETRY_TIME - 1;
result = null;
}
};
new Expectations(environment) {
{
environment.getDatabaseNamesWithPrefix("");
times = BDBJEJournal.RETRY_TIME;
result = new DatabaseNotFoundException("mock mock");
}
};
BDBJEJournal journal = new BDBJEJournal(environment);
journal.open();
}
@Test
public void testOpenDbFailRetrySucceed(@Mocked CloseSafeDatabase database,
@Mocked BDBEnvironment environment) throws Exception {
new Expectations(){
{
Thread.sleep(anyLong);
times = 1;
result = null;
}
};
new Expectations(environment) {
{
environment.getDatabaseNamesWithPrefix("");
times = 3;
result = Arrays.asList(3L, 23L, 45L);
environment.openDatabase("45");
times = 3;
result = null;
result = new DatabaseNotFoundException("mock mock");
result = database;
}
};
BDBJEJournal journal = new BDBJEJournal(environment);
journal.open();
}
@Test
public void testDeleteJournals(@Mocked BDBEnvironment environment) throws Exception {
BDBJEJournal journal = new BDBJEJournal(environment);
// failed to get database names; do nothing
new Expectations(environment) {
{
environment.getDatabaseNamesWithPrefix("");
times = 1;
result = null;
}
};
journal.deleteJournals(11);
// 2. find journal and delete
// current db (3, 23, 45) checkpoint is made on 44, should remove 3, 23
new Expectations(environment) {
{
environment.getDatabaseNamesWithPrefix("");
times = 1;
result = Arrays.asList(3L, 23L, 45L);
environment.removeDatabase("3");
times = 1;
environment.removeDatabase("23");
times = 1;
}
};
journal.deleteJournals(45);
}
@Test
public void testGetMaxJournalId(@Mocked CloseSafeDatabase closeSafeDatabase,
@Mocked BDBEnvironment environment,
@Mocked Database database) throws Exception {
BDBJEJournal journal = new BDBJEJournal(environment);
// failed to get database names; return -1
new Expectations(environment) {
{
environment.getDatabaseNamesWithPrefix("");
times = 1;
result = null;
}
};
Assert.assertEquals(-1, journal.getMaxJournalId());
// no databases; return -1
new Expectations(environment) {
{
environment.getDatabaseNamesWithPrefix("");
times = 1;
result = new ArrayList<>();
}
};
Assert.assertEquals(-1, journal.getMaxJournalId());
// db 3, 23, 45; open 45 get its size 10
new Expectations(environment) {
{
environment.getDatabaseNamesWithPrefix("");
times = 1;
result = Arrays.asList(3L, 23L, 45L);
environment.openDatabase("45");
times = 1;
result = closeSafeDatabase;
}
};
new Expectations(closeSafeDatabase) {
{
closeSafeDatabase.getDb();
times = 1;
result = database;
}
};
new Expectations(database) {
{
database.count();
times = 1;
result = 10;
}
};
Assert.assertEquals(54, journal.getMaxJournalId());
}
@Test(expected = JournalException.class)
public void testRollJournal(@Mocked CloseSafeDatabase closeSafeDatabase,
@Mocked BDBEnvironment environment,
@Mocked Database database) throws Exception {
new Expectations(closeSafeDatabase) {
{
closeSafeDatabase.getDb();
minTimes = 0;
result = database;
}
};
BDBJEJournal journal = new BDBJEJournal(environment, closeSafeDatabase);
// 1. no data, do nothing and return
new Expectations(database) {
{
database.count();
times = 1;
result = 0;
}
};
journal.rollJournal(111);
// 2. normal cases, current db is 9, has 10 logs, new log expect 19
new Expectations(database) {
{
database.count();
times = 2;
result = 10;
database.getDatabaseName();
times = 1;
result = 9;
}
};
journal.rollJournal(19);
// 3. exception current db is 9, has 10 logs, new log expect 19
new Expectations(database) {
{
database.count();
times = 2;
result = 10;
database.getDatabaseName();
times = 1;
result = 9;
}
};
journal.rollJournal(18);
Assert.fail();
}
@Test
public void testVerifyId() throws Exception {
String data = "petals on a wet black bough";
Writable writable = new Writable() {
@Override
public void write(DataOutput out) throws IOException {
Text.writeString(out, data);
}
};
DataOutputBuffer buffer = new DataOutputBuffer();
writable.write(buffer);
BDBEnvironment environment = initBDBEnv("testVerifyId");
BDBJEJournal journal = new BDBJEJournal(environment);
journal.open();
journal.batchWriteBegin();
journal.batchWriteAppend(1, buffer);
journal.batchWriteAppend(2, buffer);
journal.batchWriteCommit();
journal.rollJournal(3);
journal.open();
journal.batchWriteBegin();
journal.batchWriteAppend(3, buffer);
journal.batchWriteAppend(4, buffer);
journal.batchWriteCommit();
Assert.assertEquals(2, journal.getFinalizedJournalId());
Assert.assertEquals(4, journal.getMaxJournalId());
Assert.assertEquals(1, journal.getMinJournalId());
}
@Test
public void testJournalWithPrefix() throws Exception {
String data = "petals on a wet black bough";
Writable writable = new Writable() {
@Override
public void write(DataOutput out) throws IOException {
Text.writeString(out, data);
}
};
DataOutputBuffer buffer = new DataOutputBuffer();
writable.write(buffer);
BDBEnvironment environment = initBDBEnv("testJournalWithPrefix");
// test journal with prefix works fine
{
BDBJEJournal journalWithPrefix = new BDBJEJournal(environment, "aaa_");
Assert.assertEquals("aaa_", journalWithPrefix.getPrefix());
journalWithPrefix.open();
journalWithPrefix.batchWriteBegin();
journalWithPrefix.batchWriteAppend(1, buffer);
journalWithPrefix.batchWriteAppend(2, buffer);
journalWithPrefix.batchWriteCommit();
journalWithPrefix.rollJournal(3);
journalWithPrefix.open();
journalWithPrefix.batchWriteBegin();
journalWithPrefix.batchWriteAppend(3, buffer);
journalWithPrefix.batchWriteAppend(4, buffer);
journalWithPrefix.batchWriteCommit();
List<Long> l = journalWithPrefix.getDatabaseNames();
Assert.assertEquals(2, l.size());
Assert.assertEquals((Long) 1L, l.get(0));
Assert.assertEquals((Long) 3L, l.get(1));
}
// test journal without prefix works fine at the same time
{
BDBJEJournal journalWithoutPrefix = new BDBJEJournal(environment);
journalWithoutPrefix.open();
journalWithoutPrefix.batchWriteBegin();
journalWithoutPrefix.batchWriteAppend(1, buffer);
journalWithoutPrefix.batchWriteAppend(2, buffer);
journalWithoutPrefix.batchWriteCommit();
journalWithoutPrefix.rollJournal(3);
journalWithoutPrefix.open();
journalWithoutPrefix.batchWriteBegin();
journalWithoutPrefix.batchWriteAppend(3, buffer);
journalWithoutPrefix.batchWriteAppend(4, buffer);
journalWithoutPrefix.batchWriteCommit();
List<Long> l = journalWithoutPrefix.getDatabaseNames();
Assert.assertEquals(2, l.size());
Assert.assertEquals((Long) 1L, l.get(0));
Assert.assertEquals((Long) 3L, l.get(1));
}
}
}