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TestSnapshotRecovery.java
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TestSnapshotRecovery.java
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/* This file is part of VoltDB.
* Copyright (C) 2008-2010 VoltDB Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
package org.voltdb.regressionsuites;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FilenameFilter;
import java.io.IOException;
import java.io.PrintStream;
import java.io.UnsupportedEncodingException;
import java.util.Iterator;
import junit.framework.Test;
import org.voltdb.BackendTarget;
import org.voltdb.CatalogContext;
import org.voltdb.DefaultSnapshotDataTarget;
import org.voltdb.VoltTable;
import org.voltdb.VoltTable.ColumnInfo;
import org.voltdb.VoltType;
import org.voltdb.catalog.CatalogMap;
import org.voltdb.catalog.Cluster;
import org.voltdb.catalog.Database;
import org.voltdb.catalog.Partition;
import org.voltdb.catalog.Site;
import org.voltdb.catalog.Table;
import org.voltdb.client.Client;
import org.voltdb.client.ClientResponse;
import org.voltdb.client.NoConnectionsException;
import org.voltdb.client.ProcCallException;
import org.voltdb.sysprocs.saverestore.SaveRestoreTestProjectBuilder;
import org.voltdb.utils.SnapshotVerifier;
import com.sun.net.httpserver.Authenticator.Success;
import edu.brown.benchmark.ycsb.YCSBConstants;
import edu.brown.benchmark.ycsb.YCSBLoader;
import edu.brown.benchmark.ycsb.YCSBProjectBuilder;
import edu.brown.benchmark.ycsb.YCSBUtil;
import edu.brown.benchmark.ycsb.procedures.DeleteRecord;
import edu.brown.benchmark.ycsb.procedures.InsertRecord;
import edu.brown.benchmark.ycsb.procedures.ReadRecord;
import edu.brown.catalog.CatalogUtil;
import edu.brown.hstore.Hstoreservice.Status;
import edu.brown.hstore.cmdlog.CommandLogReader;
import edu.brown.hstore.cmdlog.CommandLogWriter;
import edu.brown.hstore.cmdlog.LogEntry;
/**
* Test the SnapshotSave and SnapshotRestore system procedures for YCSB
*/
public class TestSnapshotRecovery extends RegressionSuite {
private static final String TMPDIR = "./snapshot";
private static final String TESTNONCE = "testnonce";
private static final int ALLOWEXPORT = 0;
private static int NUM_SITES = -1;
private static int NUM_PARTITIONS = -1;
// YCSB
private static final String PREFIX = "ycsb";
private static final int NUM_TUPLES = 4;
public TestSnapshotRecovery(String name) {
super(name);
}
@Override
public void setUp() {
deleteTestFiles();
super.setUp();
DefaultSnapshotDataTarget.m_simulateFullDiskWritingChunk = false;
DefaultSnapshotDataTarget.m_simulateFullDiskWritingHeader = false;
org.voltdb.sysprocs.SnapshotRegistry.clear();
}
@Override
public void tearDown() {
try {
deleteTestFiles();
super.tearDown();
} catch (final Exception e) {
e.printStackTrace();
}
}
private void deleteTestFiles() {
FilenameFilter cleaner = new FilenameFilter() {
public boolean accept(File dir, String file) {
return file.startsWith(TESTNONCE) || file.endsWith(".vpt") || file.endsWith(".digest") || file.endsWith(".tsv") || file.endsWith(".csv");
}
};
File tmp_dir = new File(TMPDIR);
File[] tmp_files = tmp_dir.listFiles(cleaner);
for (File tmp_file : tmp_files) {
tmp_file.delete();
}
}
private static synchronized void setUpSnapshotDir(){
try {
File snapshotDir = new File(TMPDIR);
if (!snapshotDir.exists()) {
boolean result = snapshotDir.mkdir();
if (result) {
System.out.println("Created snapshot directory.");
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
private VoltTable[] saveTables(Client client) {
VoltTable[] results = null;
try {
results = client.callProcedure("@SnapshotSave", TMPDIR, TESTNONCE, (byte) 1).getResults();
} catch (Exception ex) {
ex.printStackTrace();
fail("SnapshotSave exception: " + ex.getMessage());
}
return results;
}
private void validateSnapshot(boolean expectSuccess) {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
PrintStream ps = new PrintStream(baos);
PrintStream original = System.out;
try {
System.setOut(ps);
String args[] = new String[] { TESTNONCE, "--dir", TMPDIR };
SnapshotVerifier.main(args);
ps.flush();
String reportString = baos.toString("UTF-8");
//System.err.println("Validate Snapshot :"+reportString);
if (expectSuccess) {
assertTrue(reportString.startsWith("Snapshot valid\n"));
System.err.println("Validate Snapshot :" + "Snapshot valid");
} else {
assertTrue(reportString.startsWith("Snapshot corrupted\n"));
System.err.println("Validate Snapshot :" + "Snapshot corrupted");
}
} catch (UnsupportedEncodingException e) {
} finally {
System.setOut(original);
}
}
private void initializeDatabase(final Client client, final int num_tuples) throws Exception {
String args[] = {
"NOCONNECTIONS=true",
"BENCHMARK.FIXED_SIZE=true",
"BENCHMARK.NUM_RECORDS="+num_tuples,
"BENCHMARK.LOADTHREADS=1",
};
final CatalogContext catalogContext = this.getCatalogContext();
YCSBLoader loader = new YCSBLoader(args) {
{
this.setCatalogContext(catalogContext);
this.setClientHandle(client);
}
@Override
public CatalogContext getCatalogContext() {
return (catalogContext);
}
};
loader.load();
}
public void testSaveAndRestoreYCSB() throws IOException, InterruptedException, ProcCallException {
System.out.println("Starting testSaveAndRestoreYCSB");
deleteTestFiles();
setUpSnapshotDir();
VoltTable results[] = null;
ClientResponse cresponse = null;
Client client = this.getClient();
try{
this.initializeDatabase(client, NUM_TUPLES);
}
catch(Exception e){
e.printStackTrace();
}
// Stream of Adhoc Select Queries
/*
for (int q_itr = 0; q_itr < 2; q_itr++) {
String query = "SELECT COUNT(*) FROM " + YCSBConstants.TABLE_NAME;
cresponse = client.callProcedure("@AdHoc", query);
assertEquals(Status.OK, cresponse.getStatus());
results = cresponse.getResults();
assertEquals(1, results.length);
assertEquals(NUM_TUPLES, results[0].asScalarLong());
}
*/
// Read Record
long key = NUM_TUPLES / 2;
String procName = ReadRecord.class.getSimpleName();
Object params[] ;
params = new Object[]{ key };
cresponse = client.callProcedure(procName, params);
assertNotNull(cresponse);
assertEquals(Status.OK, cresponse.getStatus());
assertEquals(1, cresponse.getResults().length);
VoltTable vt = cresponse.getResults()[0];
boolean adv = vt.advanceRow();
assert(adv);
assertEquals(key, vt.getLong(0));
// Delete, then Insert these many tuples back
int numTestTuples = 2;
System.out.println("Read Record Test Passed");
for (long k_itr = 0; k_itr < numTestTuples; k_itr++) {
procName = DeleteRecord.class.getSimpleName();
key = k_itr;
params = new Object[]{ key };
cresponse = client.callProcedure(procName, params);
assertEquals(Status.OK, cresponse.getStatus());
results = cresponse.getResults();
assertEquals(1, results.length);
assertNotNull(cresponse);
}
System.out.println("Delete Record Test Passed");
for (long k_itr = 0; k_itr < numTestTuples; k_itr++) {
procName = InsertRecord.class.getSimpleName();
key = k_itr;
String fields[] = new String[YCSBConstants.NUM_COLUMNS];
for (int i = 0; i < fields.length; i++) {
fields[i] = YCSBUtil.astring(YCSBConstants.COLUMN_LENGTH, YCSBConstants.COLUMN_LENGTH);
} // FOR
params = new Object[]{ key, fields };
cresponse = client.callProcedure(procName, params);
assertEquals(Status.OK, cresponse.getStatus());
results = cresponse.getResults();
assertEquals(1, results.length);
assertNotNull(cresponse);
}
System.out.println("Insert Record Test Passed");
// Snapshot
results = null;
results = saveTables(client);
validateSnapshot(true);
VoltTable[] results_tmp = null;
results_tmp = client.callProcedure("@Statistics", "table", 0).getResults();
System.out.println("@Statistics after saveTables :");
System.out.println(results_tmp[0]);
// Kill and restart all the execution sites.
m_config.shutDown();
m_config.startUp();
client = getClient();
try {
/*
results = client.callProcedure("@Undo").getResults();
System.out.println(results[0]);
while (results[0].advanceRow()) {
if (results[0].getString("RESULT").equals("FAILURE")) {
fail(results[0].getString("ERR_MSG"));
}
}
*/
results = client.callProcedure("@SnapshotRestore", TMPDIR, TESTNONCE, ALLOWEXPORT).getResults();
System.out.println(results[0]);
while (results[0].advanceRow()) {
if (results[0].getString("RESULT").equals("FAILURE")) {
fail(results[0].getString("ERR_MSG"));
}
}
} catch (Exception ex) {
ex.printStackTrace();
fail("SnapshotRestore exception: " + ex.getMessage());
}
System.out.println("@Statistics after restore:");
results = client.callProcedure("@Statistics", "table", 0).getResults();
System.out.println(results[0]);
validateSnapshot(true);
checkYCSBTable(client, 2);
parseAndApplyCommandLog();
}
void parseAndApplyCommandLog() throws NoConnectionsException, IOException, ProcCallException{
File outputFile = new File("./obj"+File.separator+
"cmdlog" +
File.separator +
"h00" +
CommandLogWriter.LOG_OUTPUT_EXT);
System.err.println("parseCommandLog :"+outputFile);
// Now read in the file back in and check to see that we have two
// entries that have our expected information
CommandLogReader reader = null;
try{
reader = new CommandLogReader(outputFile.getAbsolutePath());
}
catch(Exception e){
e.printStackTrace();
}
int ctr = 0;
Iterator<LogEntry> log_itr = reader.iterator();
ClientResponse cresponse = null;
Client client = this.getClient();
CatalogContext cc = this.getCatalogContext();
VoltTable results[] = null;
while(log_itr.hasNext()) {
LogEntry entry = log_itr.next();
if(entry.getType() == false){
assertNotNull(entry);
System.err.println("REDO :: TXN ID :" + entry.getTransactionId().longValue());
System.err.println("REDO :: PROC ID :" + entry.getProcedureId());
Object[] entryParams = entry.getProcedureParams().toArray();
for (Object obj : entryParams) {
System.err.println(obj);
}
String procName = cc.getProcedureById(entry.getProcedureId()).fullName();
System.out.println("Invoking procedure ::" + procName);
cresponse = client.callProcedure(procName, entry.getProcedureParams().toArray());
assertEquals(Status.OK, cresponse.getStatus());
results = cresponse.getResults();
assertEquals(1, results.length);
// assertEquals(NUM_TUPLES, results[0].asScalarLong());
// System.out.println("Results for procedure ::" + procName + " " + results[0]);
}
else{
assertNotNull(entry);
System.err.println("UNDO :: TXN ID :" + entry.getTransactionId().longValue());
System.err.println("UNDO :: PROC ID :" + entry.getProcedureId());
}
ctr++;
}
System.err.println("WAL LOG entries :"+ctr);
}
private void checkYCSBTable(Client client, int numTuples) {
long key_itr, key;
String procName;
ClientResponse cresponse = null;
VoltTable vt = null;
boolean adv = true;
for(key_itr = 0 ; key_itr < numTuples ; key_itr++){
procName = ReadRecord.class.getSimpleName();
Object params[] = { key_itr };
try{
cresponse = client.callProcedure(procName, params);
}
catch(Exception e){
e.printStackTrace();
}
assertNotNull(cresponse);
assertEquals(Status.OK, cresponse.getStatus());
assertEquals(1, cresponse.getResults().length);
vt = cresponse.getResults()[0];
adv = vt.advanceRow();
if(adv == false)
System.err.println("key :"+key_itr+" no result");
//else
// System.err.println("key :"+key_itr+" result:"+vt.getLong(0));
assert(adv);
assertEquals(key_itr, vt.getLong(0));
}
System.out.println("checkYCSBTable Passed");
}
/**
* Build a list of the tests to be run. Use the regression suite helpers to
* allow multiple back ends. JUnit magic that uses the regression suite
* helper classes.
*/
static public Test suite() {
MultiConfigSuiteBuilder builder = new MultiConfigSuiteBuilder(TestSnapshotRecovery.class);
builder.setGlobalConfParameter("site.commandlog_enable", true);
builder.setGlobalConfParameter("site.commandlog_timeout", 10);
builder.setGlobalConfParameter("site.status_enable", true);
builder.setGlobalConfParameter("site.status_exec_info", true);
YCSBProjectBuilder project = new YCSBProjectBuilder();
project.addAllDefaults();
VoltServerConfig m_config = null;
boolean success = false;
setUpSnapshotDir();
// CONFIG #1: 2 Local Site with 4 Partitions running on JNI backend
/*
NUM_SITES = 2;
NUM_PARTITIONS = 2;
m_config = new LocalCluster("snapshot-"+PREFIX+"-"+NUM_SITES+"-site-"+NUM_PARTITIONS+"-partition.jar", NUM_SITES, NUM_PARTITIONS, 1, BackendTarget.NATIVE_EE_JNI);
success = m_config.compile(project);
assert (success);
builder.addServerConfig(m_config);
*/
// CONFIG #2: 1 Local Site with 1 Partitions running on JNI backend
NUM_SITES = 1;
NUM_PARTITIONS = 1;
m_config = new LocalSingleProcessServer("snapshot-"+PREFIX+"-"+NUM_SITES+"-site-"+NUM_PARTITIONS+"-partition.jar", NUM_PARTITIONS, BackendTarget.NATIVE_EE_JNI);
success = m_config.compile(project);
assert (success);
builder.addServerConfig(m_config);
return builder;
}
}