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/**
* Copyright © 2005-2012 Akiban Technologies, Inc. All rights reserved.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, version 3 (only) of the
* License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* This program may also be available under different license terms. For more
* information, see www.akiban.com or contact licensing@akiban.com.
*/
package com.persistit.stress;
import com.persistit.Key;
import com.persistit.Transaction;
import com.persistit.TransactionRunnable;
import com.persistit.Value;
import com.persistit.exception.PersistitException;
import com.persistit.test.TestResult;
import com.persistit.util.ArgParser;
public class Stress1txn extends StressBase {
private final static String SHORT_DESCRIPTION = "Simple transactional write/read/delete/traverse loops";
private final static String LONG_DESCRIPTION = " Simple stress test that perform <repeat> iterations of the following: \r\n"
+ " - insert <count> sequentially ascending keys \r\n"
+ " - read and verify <count> sequentially ascending key/value pairs\r\n"
+ " - traverse and count all keys using next() \r\n"
+ " - delete <count> sequentially ascending keys \r\n"
+ " Optional <splay> value allows variations in key sequence: \r\n"
+ " Same as Stress1 except uses Transactions\r\n";
private final static String[] ARGS_TEMPLATE = { "op|String:wrtd|Operations to perform",
"repeat|int:1:0:1000000000|Repetitions", "count|int:10000:0:1000000000|Number of nodes to populate",
"size|int:30:1:5000000|Size of each data value", "splay|int:1:1:1000|Splay", };
int _size;
int _splay;
String _opflags;
@Override
public String shortDescription() {
return SHORT_DESCRIPTION;
}
@Override
public String longDescription() {
return LONG_DESCRIPTION;
}
@Override
public void setUp() throws Exception {
super.setUp();
_ap = new ArgParser("com.persistit.Stress1", _args, ARGS_TEMPLATE);
_splay = _ap.getIntValue("splay");
_opflags = _ap.getStringValue("op");
_size = _ap.getIntValue("size");
_repeatTotal = _ap.getIntValue("repeat");
_total = _ap.getIntValue("count");
_dotGranularity = 10000;
try {
// Exchange with Thread-private Tree
_ex = getPersistit().getExchange("persistit", _rootName + _threadIndex, true);
} catch (final Exception ex) {
handleThrowable(ex);
}
}
@Override
public void executeTest() throws Exception {
final Value value1 = _ex.getValue();
final Value value2 = new Value(getPersistit());
final Transaction txn = getPersistit().getTransaction();
setPhase("@");
try {
txn.begin();
_ex.clear().remove(Key.GTEQ);
txn.commit();
} catch (final Exception e) {
handleThrowable(e);
} finally {
txn.end();
}
verboseln();
for (_repeat = 0; (_repeat < _repeatTotal) && !isStopped(); _repeat++) {
verboseln();
verboseln("Starting cycle " + (_repeat + 1) + " of " + _repeatTotal);
if (_opflags.indexOf('w') >= 0) {
setPhase("w");
try {
txn.begin();
for (_count = 0; (_count < _total) && !isStopped(); _count++) {
dot();
final int keyInteger = keyInteger(_count);
_ex.clear().append(keyInteger);
setupTestValue(_ex, _count, _size);
_ex.store();
}
txn.commit();
} catch (final Exception e) {
handleThrowable(e);
break;
} finally {
txn.end();
}
}
if (_opflags.indexOf('r') >= 0) {
setPhase("r");
for (_count = 0; (_count < _total) && !isStopped(); _count++) {
dot();
final int keyInteger = keyInteger(_count);
_ex.clear().append(keyInteger);
setupTestValue(_ex, _count, _size);
try {
txn.run(new TransactionRunnable() {
@Override
public void runTransaction() throws PersistitException {
// fetch to a different Value object so we can
// compare
// with the original.
_ex.fetch(value2);
compareValues(value1, value2);
}
});
} catch (final Exception e) {
handleThrowable(e);
}
}
}
if (_opflags.indexOf('t') >= 0) {
setPhase("t");
try {
txn.begin();
_ex.clear().append(Integer.MIN_VALUE);
for (_count = 0; (_count < (_total * 10)) && !isStopped(); _count++) {
dot();
if (!_ex.next()) {
break;
}
}
if (_count != _total) {
_result = new TestResult(false, "Traverse count=" + _count + " out of " + _total
+ " repetition=" + _repeat + " in thread=" + _threadIndex);
println(_result);
forceStop();
break;
}
txn.commit();
} catch (final Exception e) {
handleThrowable(e);
} finally {
txn.end();
}
}
if (_opflags.indexOf('d') >= 0) {
setPhase("d");
try {
txn.begin();
for (_count = 0; (_count < _total) && !isStopped(); _count++) {
dot();
final int keyInteger = keyInteger(_count);
_ex.clear().append(keyInteger);
_ex.remove();
}
txn.commit();
} catch (final Exception e) {
handleThrowable(e);
} finally {
txn.end();
}
}
if ((_opflags.indexOf('h') > 0) && !isStopped()) {
setPhase("h");
try {
Thread.sleep(1000);
} catch (final Exception e) {
}
}
}
verboseln();
verbose("done");
}
int keyInteger(final int counter) {
int keyInteger = (counter * _splay) % _total;
if (keyInteger < 0) {
keyInteger += _total;
}
return keyInteger;
}
public static void main(final String[] args) {
final Stress1txn test = new Stress1txn();
test.runStandalone(args);
}
}
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