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je/test/standalone/EnvSharedCache.java

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Initial import.
2021-06-06 17:46:45 +00:00
/*-
* Copyright (C) 2002, 2017, Oracle and/or its affiliates. All rights reserved.
*
* This file was distributed by Oracle as part of a version of Oracle Berkeley
* DB Java Edition made available at:
*
* http://www.oracle.com/technetwork/database/database-technologies/berkeleydb/downloads/index.html
*
* Please see the LICENSE file included in the top-level directory of the
* appropriate version of Oracle Berkeley DB Java Edition for a copy of the
* license and additional information.
*/
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.security.SecureRandom;
import java.util.Arrays;
import java.util.Properties;
import com.sleepycat.je.Cursor;
import com.sleepycat.je.Database;
import com.sleepycat.je.DatabaseConfig;
import com.sleepycat.je.DatabaseEntry;
import com.sleepycat.je.DatabaseException;
import com.sleepycat.je.Environment;
import com.sleepycat.je.EnvironmentConfig;
import com.sleepycat.je.EnvironmentStats;
import com.sleepycat.je.LockMode;
import com.sleepycat.je.OperationStatus;
import com.sleepycat.je.StatsConfig;
import com.sleepycat.je.Transaction;
import com.sleepycat.je.utilint.JVMSystemUtils;
/**
* Typical usage:
* # Initialize the DBs
* java EnvSharedCache -h HOME -initonly
*
* # Run updates with two classes of worker threads (different cache size)
* java EnvSharedCache -h HOME -shared -cachetest -txns 1000000
*/
public class EnvSharedCache implements Runnable {
private static final int INSERT = 1;
private static final int UPDATE = 2;
private static final int SELECT = 3;
private static boolean verbose = false;
private static boolean debug = false;
private static boolean openTest = false;
private static boolean cacheTest = false;
private static boolean sharedTest = false;
private static boolean evenTest = false;
private static boolean initOnly = false;
private static String delimiter = System.getProperty("file.separator");
private static String homeDirPrefix = "db";
private static StringBuilder inputArgs = new StringBuilder();
private static int nEnvs = 4;
private static int nThreadsPerEnv = 4;
private static int nMaxKeys = 1000000;
private static int subDir = 0;
private static int nMaxTransactions = 100000;
private static float nCacheMissThreshold = 0.5f;
private static float nCacheSizeThreshold = 0.40f;
private static float nThruputThreshold = 0.5f;
private Environment[] envs;
private Database[] dbs;
private EnvironmentStats[] envStats;
private SecureRandom random = new SecureRandom();
private boolean isSharedCacheRun = false;
private int keySize = 10;
private int dataSize = 100;
private int nRecordsPerThread = 0;
private int nDeletesPerThread = 0;
private int nInitEnvs = 0;
private int nInitThreadsPerEnv = 0;
private int nTransactions[][];
private int nInserts[][];
private int nUpdates[][];
private int nDeletes[][];
private int nSelects[][];
private int nReadsPerWrite = 10;
private float nThroughput = 0.0f;
private long nElapsedTime[][];
public static void main(String args[]) {
try {
/* Parse command-line input arguments. */
for (int i = 0; i < args.length; i++) {
String arg = args[i];
boolean moreArgs = i < args.length - 1;
if (arg.equals("-v")) {
verbose = true;
} else if (arg.equals("-d")) {
debug = true;
} else if (arg.equals("-initonly")) {
initOnly = true;
} else if (arg.equals("-opentest")) {
openTest = true;
} else if (arg.equals("-cachetest")) {
cacheTest = true;
} else if (arg.equals("-eventest")) {
evenTest = true;
} else if (arg.equals("-h") && moreArgs) {
homeDirPrefix = args[++i] + delimiter + homeDirPrefix;
} else if (arg.equals("-shared")) {
sharedTest = true;
} else if (arg.equals("-envs") && moreArgs) {
nEnvs = Integer.parseInt(args[++i]);
} else if (arg.equals("-keys") && moreArgs) {
nMaxKeys = Integer.parseInt(args[++i]);
} else if (arg.equals("-txns") && moreArgs) {
nMaxTransactions = Integer.parseInt(args[++i]);
} else if (arg.equals("-threads") && moreArgs) {
nThreadsPerEnv = Integer.parseInt(args[++i]);
} else if (arg.equals("-subDir") && moreArgs) {
subDir = Integer.parseInt(args[++i]);
} else if (arg.equals("-help")) {
usage(null);
System.exit(0);
} else {
usage("Unknown arg: " + arg);
System.exit(1);
}
}
/* Save command-line input arguments. */
for (String s : args) {
inputArgs.append(" " + s);
}
System.out.println("\nCommand-line input arguments:\n "
+ inputArgs);
/*
* If -shared flag is specified, compare EnvironmentStats
* between shareCache and nonSharedCache runs to judge
* whether environment shared cache test passes/fails.
*/
if (sharedTest) {
EnvSharedCache nonSharedCacheRun = new EnvSharedCache();
nonSharedCacheRun.setSharedCacheRun(false);
EnvSharedCache sharedCacheRun = new EnvSharedCache();
sharedCacheRun.setSharedCacheRun(true);
System.out.println("Starting non-sharedCache test...");
nonSharedCacheRun.startTest();
System.out.println("\nStarting sharedCache test...");
sharedCacheRun.startTest();
/* Compare stats to judge test passes/fails. */
if (!verifyResults(nonSharedCacheRun, sharedCacheRun)) {
/* Failed to meet test criteria, exit with error. */
System.exit(1);
}
} else {
new EnvSharedCache().startTest();
}
} catch (Throwable e) {
e.printStackTrace();
System.exit(1);
}
}
/**
* Print the usage.
*/
private static void usage(String msg) {
String usageStr;
if (msg != null) {
System.err.println(msg);
}
usageStr = "Usage: java EnvSharedCache\n"
+ " [-v] [-d] [-h <homeDirPrefix>]\n"
+ " [-envs <numOfEnvs>]\n"
+ " [-threads <numOfThreadsPerEnv>]\n"
+ " [-keys <numOfKeysPerThread>] [-initonly]\n\n"
+ "Usage: java EnvSharedCache\n"
+ " [-v] [-d] [-h <homeDirPrefix>]\n"
+ " [-envs <numOfEnvs>]\n"
+ " [-threads <numOfThreadsPerEnv>]\n"
+ " [-txns <numOfTransactionsPerThread>]\n"
+ " [-cachetest [-shared] [-opentest] [-eventest]]";
System.err.println(usageStr);
}
/**
* Compare results between non-shared and shared cache run.
*/
public static boolean verifyResults(EnvSharedCache nonSharedCache,
EnvSharedCache sharedCache) {
EnvironmentStats nonSharedStatsArray[] = nonSharedCache.getEnvStats();
EnvironmentStats sharedStatsArray[] = sharedCache.getEnvStats();
boolean thruputCheck = false;
boolean cacheMissCheck = false;
boolean cacheSizeCheck = false;
boolean overallCheck = true;
System.out.println
("\n\n "
+ "Multi-Env SharedCache Test Summary Report At: "
+ new java.util.Date());
System.out.println
(" Non-Shared Shared Pass/Fail");
System.out.println
(" ---------- ---------- ----------");
/* Check to see if throughput meet the given threshold. */
if (evenTest) {
thruputCheck =
(Math.abs(sharedCache.nThroughput - nonSharedCache.nThroughput)
/ nonSharedCache.nThroughput)
<= nThruputThreshold;
overallCheck &= thruputCheck;
}
System.out.printf
("Throughput(%.2f): %10.2f %10.2f %10S%n",
nThruputThreshold,
nonSharedCache.nThroughput,
sharedCache.nThroughput,
(evenTest ? (thruputCheck ? "PASS" : "FAIL") : "N/A"));
for (int i = 0; i < nEnvs; i++) {
EnvironmentStats nonSharedStats = nonSharedStatsArray[i];
EnvironmentStats sharedStats = sharedStatsArray[i];
System.out.printf("Env(%d)\n", i);
/*
* Check if the regular worker's NCacheMiss variation meet
* the given threshold. This check doesn't make sense
* to smallCache workers.
*/
if ((!openTest) && (!evenTest) && ((i % 2) != 1)) {
cacheMissCheck = sharedStats.getNCacheMiss()
<= (nonSharedStats.getNCacheMiss() * nCacheMissThreshold);
} else {
cacheMissCheck = true;
}
overallCheck &= cacheMissCheck;
System.out.printf
(" NCacheMiss(%.2f):%10d %10d %10S\n",
nCacheMissThreshold,
nonSharedStats.getNCacheMiss(),
sharedStats.getNCacheMiss(),
(!openTest) && (!evenTest)
? (cacheMissCheck ? "PASS" : "FAIL")
: "N/A");
/* For eventest, check CacheDataBytes to see if within 25%. */
if (evenTest) {
cacheSizeCheck =
((float) Math.abs(sharedStats.getDataBytes()
- nonSharedStats.getDataBytes())
/ nonSharedStats.getDataBytes())
<= nCacheSizeThreshold;
overallCheck &= cacheSizeCheck;
}
System.out.printf
(" DataBytes(%.2f):%10d %10d %10S\n",
nCacheSizeThreshold,
nonSharedStats.getDataBytes(),
sharedStats.getDataBytes(),
(evenTest ? (cacheSizeCheck ? "PASS" : "FAIL") : "N/A"));
System.out.printf
(" NLogBuffers:%10d %10d\n",
nonSharedStats.getNLogBuffers(),
sharedStats.getNLogBuffers());
System.out.printf
(" LogBuffersBytes:%10d %10d\n",
nonSharedStats.getBufferBytes(),
sharedStats.getBufferBytes());
System.out.printf
(" CacheTotalBytes:%10d %10d\n",
nonSharedStats.getCacheTotalBytes(),
sharedStats.getCacheTotalBytes());
System.out.printf
(" NNotResident:%10d %10d\n",
nonSharedStats.getNNotResident(),
sharedStats.getNNotResident());
System.out.printf
(" NSharedCacheEnv:%10d %10d\n",
nonSharedStats.getNSharedCacheEnvironments(),
sharedStats.getNSharedCacheEnvironments());
System.out.printf
(" SCacheTotalBytes:%10d %10d\n",
nonSharedStats.getSharedCacheTotalBytes(),
sharedStats.getSharedCacheTotalBytes());
}
System.out.print("\nThe run is: " + (sharedTest ? "-shared " : "")
+ (openTest ? "-opentest " : "")
+ (evenTest ? "-eventest " : "")
+ "\nThe run is considered as: "
+ (overallCheck ? "PASS" : "FAIL") + "\n");
return overallCheck;
}
/**
* Set the isSharedCacheRun flag.
*/
private void setSharedCacheRun(boolean flag) {
isSharedCacheRun = flag;
}
/**
* Get the envStats.
*/
private EnvironmentStats[] getEnvStats() {
return envStats;
}
/**
* Precheck if database files exist before starting the run.
*/
private boolean validateHomeDir() {
for (int i = 0; i < nEnvs; i++) {
File f = new File(homeDirPrefix + i);
if (f.isDirectory()) {
continue;
} else if (initOnly) {
f.mkdirs();
} else {
return false;
}
}
return true;
}
private void startTest() throws Exception {
if (!validateHomeDir()) {
System.err.println("ERROR: Invalid HomeDirPrefix!"
+ " Please specify a valid HomeDirPrefix parameter"
+ " that points to your *.jdb files.");
System.exit(1);
}
/* Read properties from ${DB0}/run.properties file. */
File file = new File(homeDirPrefix + "0"
+ System.getProperty("file.separator") + "run.properties");
Properties prop = new Properties();
if (file.exists()) {
FileInputStream in = new FileInputStream(file);
prop.load(in);
nRecordsPerThread =
Integer.parseInt(prop.getProperty("RecordsPerThread"));
nDeletesPerThread =
Integer.parseInt(prop.getProperty("DeletesPerThread"));
nInitEnvs =
Integer.parseInt(prop.getProperty("InitEnvs"));
nInitThreadsPerEnv =
Integer.parseInt(prop.getProperty("InitThreadsPerEnv"));
in.close();
}
if (initOnly) {
nInitEnvs = nEnvs;
nInitThreadsPerEnv = nThreadsPerEnv;
} else if (nInitEnvs > 0 && nEnvs > nInitEnvs) {
System.out.println("Warning: The number of environments"
+ " specified here is beyond the value of environments"
+ " when last initiating databases.\nAuto adjust to"
+ " last initiating value: " + nInitEnvs);
} else if (nInitThreadsPerEnv > 0
&& nThreadsPerEnv > nInitThreadsPerEnv) {
System.out.println("Warning: The number of threads specified"
+ " here is beyond the value of threads when last"
+ " initiating databases.\nAuto adjust to last"
+ " initiating value: " + nInitThreadsPerEnv);
nThreadsPerEnv = nInitThreadsPerEnv;
}
envs = new Environment[nEnvs];
dbs = new Database[nEnvs];
envStats = new EnvironmentStats[nEnvs];
nInserts = new int[nEnvs][nThreadsPerEnv];
nUpdates = new int[nEnvs][nThreadsPerEnv];
nDeletes = new int[nEnvs][nThreadsPerEnv];
nSelects = new int[nEnvs][nThreadsPerEnv];
nTransactions = new int[nEnvs][nThreadsPerEnv];
nElapsedTime = new long[nEnvs][nThreadsPerEnv];
/*
* Initialize the Environments and open the Databases. For
* open/close test, we initialize with each transaction in the
* thread main loop.
*/
if (!openTest) {
for (int i = 0; i < nEnvs; i++) {
envs[i] = openEnv(i);
dbs[i] = openDB(envs[i], i);
}
}
/* Create the workers and initialize operation counters. */
Thread[][] threads = new Thread[nEnvs][nThreadsPerEnv];
for (int i = 0; i < nEnvs; i++) {
for (int j = 0; j < nThreadsPerEnv; j++) {
nInserts[i][j] = 0;
nUpdates[i][j] = 0;
nDeletes[i][j] = 0;
nSelects[i][j] = 0;
nTransactions[i][j] = 0;
threads[i][j] =
new Thread(this, Integer.toString(i * nThreadsPerEnv + j));
threads[i][j].start();
Thread.sleep(100);
}
}
/* Wait until threads finished. */
for (int i = 0; i < nEnvs; i++) {
for (int j = 0; j < nThreadsPerEnv; j++) {
if (threads[i][j] != null) {
threads[i][j].join();
}
}
}
if (!openTest) {
for (int i = 0; i < nEnvs; i++) {
/* Put EnvironmentStats objects into arrays before closing. */
envStats[i] = getStats(envs[i], i);
}
for (int i = 0; i < nEnvs; i++) {
closeEnv(envs[i], dbs[i]);
}
}
/* Calculate elapsed time, transactions and throughput. */
int transactions = 0;
long timeMillis = 0;
float elapsedSecs = 0.0f;
float throughput = 0.0f;
for (int i = 0; i < nEnvs; i++) {
int inserts = 0, updates = 0, deletes = 0, selects = 0;
for (int j = 0; j < nThreadsPerEnv; j++) {
inserts += nInserts[i][j];
updates += nUpdates[i][j];
deletes += nDeletes[i][j];
selects += nSelects[i][j];
transactions += nTransactions[i][j];
timeMillis += nElapsedTime[i][j];
elapsedSecs = (float) nElapsedTime[i][j] / 1000;
throughput = (float) nTransactions[i][j] / elapsedSecs;
if (verbose) {
System.out.printf("%nENV(%d) Thread %d "
+ " Running time: %.2f secs Transactions: %d"
+ " Throughput: %.2f txns/sec", i, j, elapsedSecs,
nTransactions[i][j], throughput);
}
}
if (verbose) {
System.out.println("\nENV(" + i + "): " + inserts + " inserts "
+ updates + " updates " + deletes + " deletes "
+ selects + " selects ");
}
}
elapsedSecs = (float) timeMillis / (nEnvs * nThreadsPerEnv * 1000);
throughput = (float) transactions / elapsedSecs;
nThroughput = throughput;
System.out.printf("%nAverage elapsed time: %.2f secs"
+ " Transactions: %d Throughput: %.2f txns/sec%n",
elapsedSecs, transactions, throughput);
/* Create/Update ${DB0}/run.properties file. */
FileOutputStream out = new FileOutputStream(file);
prop.setProperty("RecordsPerThread", Integer.toString(nRecordsPerThread
+ nInserts[0][0] - nDeletes[0][0]));
prop.setProperty("DeletesPerThread", Integer.toString(nDeletesPerThread
+ nDeletes[0][0]));
prop.setProperty("InitEnvs", Integer.toString(nInitEnvs));
prop.setProperty("InitThreadsPerEnv",
Integer.toString(nInitThreadsPerEnv));
prop.store(out, "EnvSharedCache test runtime properties."
+ " Please don't update/remove this file.");
out.close();
}
/**
* Print and return the cache related stats for the env.
*/
private EnvironmentStats getStats(Environment env, int envId)
throws Exception {
assert (env != null) : "getStats: Null env pointer";
StatsConfig statsConfig = new StatsConfig();
statsConfig.setFast(true);
statsConfig.setClear(true);
EnvironmentStats stats = env.getStats(statsConfig);
return stats;
}
/**
* Open an Environment.
*/
private Environment openEnv(int i) throws Exception {
EnvironmentConfig envConfig = new EnvironmentConfig();
envConfig.setTransactional(true);
envConfig.setAllowCreate(true);
/*
* When using Zing JDK, the object may occupy more 40% percent
* memory than Oracle JDk. When the cache size is 10M, it is
* enough for caching most of the records, but it is not enough
* for Zing JDK. So for Zing JDK, we increase the cache size.
*/
int factor = 1;
if (JVMSystemUtils.ZING_JVM) {
factor = 2;
}
if (isSharedCacheRun) {
envConfig.setCacheSize(10000000 * nEnvs * factor);
envConfig.setSharedCache(true);
} else {
envConfig.setCacheSize(10000000 * factor);
envConfig.setSharedCache(false);
}
/*
* Because the evictor has multiple LRU lists per LRUSet, the accuracy
* of the LRU varies too much to be predictable in this test,
* especially due to outliers on some machines. Use a single LRU list
* per LRUSet.
*/
envConfig.setConfigParam(
EnvironmentConfig.EVICTOR_N_LRU_LISTS, "1");
if (subDir > 0) {
envConfig.setConfigParam
(EnvironmentConfig.LOG_N_DATA_DIRECTORIES, subDir + "");
Utils.createSubDirs(new File(homeDirPrefix + i), subDir, true);
}
Environment env = new Environment(new File(homeDirPrefix + i),
envConfig);
return env;
}
/**
* Open a Database.
*/
private Database openDB(Environment env, int i) throws Exception {
assert (env != null) : "openDB: Null env pointer";
DatabaseConfig dbConfig = new DatabaseConfig();
dbConfig.setAllowCreate(true);
dbConfig.setTransactional(true);
return env.openDatabase(null, "db" + i, dbConfig);
}
/**
* Close the Database and Environment.
*/
private void closeEnv(Environment env, Database db)
throws DatabaseException {
assert (db != null) : "closeEnv: Null db pointer";
assert (env != null) : "closeEnv: Null env pointer";
db.close();
env.close();
}
/**
* Generate the data.
*/
private void makeData(DatabaseEntry data) {
assert (data != null) : "makeData: Null data pointer";
byte[] bytes = new byte[dataSize];
for (int i = 0; i < bytes.length; i++) {
bytes[i] = (byte) i;
}
data.setData(bytes);
}
/**
* Generate the random data.
*/
private void makeRandomData(DatabaseEntry data) {
assert (data != null) : "makeRandomData: Null data pointer";
byte[] bytes = new byte[dataSize];
random.nextBytes(bytes);
data.setData(bytes);
}
/**
* Return a copy of the byte array in data.
*/
private byte[] copyData(DatabaseEntry data) {
assert (data != null) : "copyData: Null data pointer";
byte[] buf = new byte[data.getSize()];
System.arraycopy(data.getData(), data.getOffset(), buf, 0, buf.length);
return buf;
}
/**
* Return a copy of the byte array in data starting at the offset.
*/
private byte[] copyData(DatabaseEntry data, int offset) {
assert (data != null) : "copyData: Null data pointer";
byte[] buf = new byte[data.getSize() - offset];
System.arraycopy(data.getData(), data.getOffset() + offset,
buf, 0, buf.length);
return buf;
}
/**
* Generate the insert key with a prefix string.
*/
private void makeInsertKey(Cursor c,
DatabaseEntry key,
String keyPrefix,
boolean smallCache) {
assert (c != null) : "makeInsertKey: Null cursor pointer";
assert (key != null) : "makeInsertKey: Null key pointer";
assert (keyPrefix != null) : "makeInsertKey: Null keyPrefix pointer";
String buf = keyPrefix;
int num;
if (key.getData() != null) {
num = Integer.parseInt
(new String(copyData(key, keyPrefix.length())));
num++;
} else {
/*
* For regular working set, we define:
* deletion always occurs at the first database record,
* and insertion always appends to the last record,
* search randomly between the first and last.
*/
if (smallCache) {
num = nRecordsPerThread;
} else {
num = nRecordsPerThread + nDeletesPerThread;
}
}
buf += Integer.toString(num);
key.setData(buf.getBytes());
}
/**
* Insert a record.
*/
private void insert(Cursor c,
DatabaseEntry key,
DatabaseEntry data,
String keyPrefix,
boolean smallCache) throws DatabaseException {
assert (c != null) : "insert: Null cursor pointer";
assert (key != null) : "insert: Null key pointer";
assert (data != null) : "insert: Null data pointer";
makeData(data);
boolean done = false;
while (!done) {
/*
* Generate a key that is prefixed with the thread name so each
* thread is working on its own data set to reduce deadlocks.
*/
makeInsertKey(c, key, keyPrefix, smallCache);
OperationStatus status = c.putNoOverwrite(key, data);
if (status == OperationStatus.KEYEXIST) {
System.out.println("Duplicate key.");
} else {
if (status != OperationStatus.SUCCESS) {
System.out.println("Unexpected insert error: " + status);
}
done = true;
}
}
}
/**
* Generate the search key with a prefix string.
*/
private void makeSearchKey(Cursor c,
DatabaseEntry key,
String keyPrefix,
boolean smallCache,
int offset) {
assert (c != null) : "makeSearchKey: Null cursor pointer";
assert (key != null) : "makeSearchKey: Null key pointer";
assert (keyPrefix != null) : "makeSearchKey: Null keyPrefix pointer";
String buf = keyPrefix;
int num;
if (smallCache) {
num = offset;
} else {
/*
* For regular working set, we create the random search key
* between the current "beginning" and "end" of database records.
*/
num = random.nextInt(nRecordsPerThread) + nDeletesPerThread
+ offset;
}
buf += Integer.toString(num);
key.setData(buf.getBytes());
}
public void run() {
Environment env = null;
Database db = null;
DatabaseEntry key = new DatabaseEntry();
DatabaseEntry data = new DatabaseEntry();
DatabaseEntry searchKey = new DatabaseEntry();
DatabaseEntry searchData = new DatabaseEntry();
boolean done = false;
boolean smallCache = false;
byte[] lastInsertKey = null;
Transaction txn = null;
Cursor c = null;
int nKeys = 0;
OperationStatus status;
String threadName = Thread.currentThread().getName();
int envId = Integer.parseInt(threadName) / nThreadsPerEnv;
int threadId = Integer.parseInt(threadName) % nThreadsPerEnv;
String keyPrefix = threadId + "-";
if (verbose) {
System.out.println("Thread " + threadId + " started on ENV("
+ envId + ")");
}
/* Initialize with start time. */
nElapsedTime[envId][threadId] = System.currentTimeMillis();
/*
* If it is not evenTest (even work load on each env), to test cache
* utilization efficiency, we create two classes of users. One set
* will simply insert, update, and delete the same record repeatedly
* and the other set will have a larger working set.
* The former will use very little cache and will result in waste
* in non-shared cache case.
*/
smallCache = (!evenTest) & ((envId % 2) == 1);
if (!openTest) {
env = envs[envId];
db = dbs[envId];
}
while (!done) {
try {
/* Test the env open/close */
if (openTest) {
env = openEnv(envId);
db = openDB(env, envId);
}
txn = env.beginTransaction(null, null);
c = db.openCursor(txn, null);
if (initOnly && nKeys < nMaxKeys) {
insert(c, key, data, keyPrefix, smallCache);
checkCorrectness(INSERT, key, data, keyPrefix, smallCache,
nKeys);
nKeys++;
nInserts[envId][threadId]++;
}
if (!initOnly) {
/* Insert */
if (smallCache) {
/*
* Set key to null, so every time
* it will insert the same key.
*/
key.setData(null);
}
insert(c, key, data, keyPrefix, smallCache);
if (smallCache) {
checkCorrectness(INSERT, key, data, keyPrefix,
smallCache, nRecordsPerThread);
} else {
checkCorrectness(INSERT, key, data, keyPrefix,
smallCache,
(nRecordsPerThread + nDeletesPerThread
+ nInserts[envId][threadId]));
}
lastInsertKey = copyData(key);
nInserts[envId][threadId]++;
/* Update */
if (smallCache) {
searchKey.setData(lastInsertKey);
} else {
makeSearchKey(c, searchKey, keyPrefix, smallCache,
nDeletes[envId][threadId]);
}
status = c.getSearchKeyRange(searchKey, searchData,
LockMode.DEFAULT);
if (status == OperationStatus.SUCCESS) {
makeRandomData(data);
status = c.putCurrent(data);
if (status == OperationStatus.SUCCESS) {
c.getSearchKey(searchKey, searchData,
LockMode.DEFAULT);
if (smallCache) {
checkCorrectness(UPDATE, searchKey, searchData,
keyPrefix, smallCache,
nRecordsPerThread);
} else {
checkCorrectness(UPDATE, searchKey, searchData,
keyPrefix, smallCache,
nDeletes[envId][threadId]);
}
nUpdates[envId][threadId]++;
}
/* Delete */
if (!smallCache) {
String buf = keyPrefix
+ Integer.toString(nDeletesPerThread
+ nDeletes[envId][threadId]);
searchKey.setData(buf.getBytes());
status = c.getSearchKey(searchKey, searchData,
LockMode.DEFAULT);
}
if (status == OperationStatus.SUCCESS) {
status = c.delete();
if (status == OperationStatus.SUCCESS) {
status = c.getSearchKey(searchKey, searchData,
LockMode.DEFAULT);
/*
* Delete correctness check: only checks if
* the record still exists.
*/
if (status != OperationStatus.NOTFOUND) {
System.err.println
("DELETE Correctness Check Failed: "
+ "key/data pair still exists after "
+ "deletion.");
System.exit(1);
}
nDeletes[envId][threadId]++;
}
}
}
/* Read */
if (nReadsPerWrite > 0) {
int i;
for (i = 0; i < nReadsPerWrite; i++) {
if (smallCache) {
makeSearchKey(c, searchKey, keyPrefix,
smallCache, i);
c.getSearchKey(searchKey, searchData,
LockMode.DEFAULT);
checkCorrectness(SELECT, searchKey, searchData,
keyPrefix, smallCache, i);
} else {
makeSearchKey(c, searchKey, keyPrefix,
smallCache, nDeletes[envId][threadId]);
c.getSearchKey(searchKey, searchData,
LockMode.DEFAULT);
checkCorrectness(SELECT, searchKey, searchData,
keyPrefix, smallCache,
nDeletes[envId][threadId]);
}
/*
* Call Thread.yield() to try to eliminate the
* possible unfair-thread-scheduling issue which
* may cause the throughput cache failure.
*/
Thread.yield();
}
nSelects[envId][threadId] += i;
}
}
c.close();
txn.commit();
nTransactions[envId][threadId]++;
if (initOnly) {
if (nKeys >= nMaxKeys) {
done = true;
}
} else if (nMaxTransactions != 0
&& nTransactions[envId][threadId] >= nMaxTransactions) {
done = true;
}
if (done && openTest && (threadId == (nThreadsPerEnv - 1))) {
envStats[envId] = getStats(env, envId);
}
if (openTest) {
closeEnv(env, db);
}
} catch (Throwable e) {
e.printStackTrace();
System.exit(1);
}
} // End of while loop.
/* Calculate elapsed time. */
nElapsedTime[envId][threadId] = System.currentTimeMillis()
- nElapsedTime[envId][threadId];
if (verbose) {
System.out.println("Thread " + threadId + " finished on ENV("
+ envId + ")");
}
}
/**
* Operation correctness check.
*/
private void checkCorrectness(int operationType,
DatabaseEntry key,
DatabaseEntry data,
String keyPrefix,
boolean smallCache,
int checkNum) {
assert (key != null) : "checkCorrectness: Null key pointer";
assert (keyPrefix != null) : "checkCorrectness: Null keyPrefix pointer";
String s = new String(key.getData());
int num = Integer.parseInt(s.substring(s.indexOf("-") + 1));
DatabaseEntry d = new DatabaseEntry();
makeData(d);
if (operationType == INSERT) {
if (num != checkNum) {
System.err.println("INSERT Correctness Check Failed: "
+ "key value: " + s + " doesn't match checkNum: "
+ checkNum + ".");
System.exit(1);
}
} else if (operationType == UPDATE) {
if (smallCache && (num != checkNum)) {
System.err.println("UPDATE Correctness Check Failed: "
+ "key value " + s + " doesn't match checkNum "
+ checkNum + ".");
System.exit(1);
} else if (!smallCache) {
if (num < checkNum) {
System.err.println("UPDATE Correctness Check Failed: "
+ "key value should be larger than "
+ checkNum + ".");
System.exit(1);
} else if (num
> (nRecordsPerThread + nDeletesPerThread + checkNum)) {
System.err.println("UPDATE Correctness Check Failed: "
+ "key value should be smaller than "
+ (nRecordsPerThread + nDeletesPerThread + checkNum)
+ ".");
System.exit(1);
}
} else if (Arrays.equals(data.getData(), d.getData())) {
System.err.println("UPDATE Correctness Check Failed: "
+ "data value doesn't change.");
System.exit(1);
}
} else if (operationType == SELECT) {
if (smallCache && num != checkNum) {
System.err.println("SELECT Correctness Check Failed: "
+ "key value: " + s + " doesn't match checkNum: "
+ checkNum + ".");
System.exit(1);
} else if (!smallCache) {
if (num < checkNum) {
System.err.println("SELECT Correctness Check Failed: "
+ "key value should be larger than "
+ checkNum + ".");
System.exit(1);
} else if (num
> (nRecordsPerThread + nDeletesPerThread + checkNum)) {
System.err.println("SELECT Correctness Check Failed: "
+ "key value should be smaller than "
+ (nRecordsPerThread + nDeletesPerThread + checkNum)
+ ".");
System.exit(1);
}
}
}
}
}
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