/* This file is part of VoltDB.
* Copyright (C) 2008-2017 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
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*/
package txnIdSelfCheck;
import java.io.IOException;
import java.io.InterruptedIOException;
import java.util.Random;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.Semaphore;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
import org.voltdb.ClientResponseImpl;
import org.voltdb.VoltTable;
import org.voltdb.client.Client;
import org.voltdb.client.ClientResponse;
import org.voltdb.client.NoConnectionsException;
import org.voltdb.client.ProcCallException;
import org.voltdb.client.ProcedureCallback;
public class BigTableLoader extends BenchmarkThread {
final Client client;
final long targetCount;
final String tableName;
final int rowSize;
final int batchSize;
final int partitionCount;
final Random r = new Random(0);
final AtomicBoolean m_shouldContinue = new AtomicBoolean(true);
final Semaphore m_permits;
long insertsTried = 0;
long rowsLoaded = 0;
long nTruncates = 0;
BigTableLoader(Client client, String tableName, long targetCount, int rowSize, int batchSize, Semaphore permits, int partitionCount) {
setName("BigTableLoader-"+tableName);
this.client = client;
this.tableName = tableName;
this.targetCount = targetCount;
this.rowSize = rowSize;
this.batchSize = batchSize;
m_permits = permits;
this.partitionCount = partitionCount;
// make this run more than other threads
setPriority(getPriority() + 1);
log.info("BigTableLoader table: "+ tableName + " targetCount: " + targetCount + " storage required: " + targetCount*rowSize + " bytes");
}
void shutdown() {
m_shouldContinue.set(false);
log.info("BigTableLoader " + tableName + " shutdown: inserts tried " + insertsTried + " rows loaded " + rowsLoaded +
" truncates " + nTruncates);
this.interrupt();
}
public int getPercentLoadComplete() {
Double d = ((double)rowsLoaded / targetCount) * 100.;
return d.intValue();
}
class InsertCallback implements ProcedureCallback {
CountDownLatch latch;
InsertCallback(CountDownLatch latch) {
this.latch = latch;
}
@Override
public void clientCallback(ClientResponse clientResponse) throws Exception {
byte status = clientResponse.getStatus();
if (status == ClientResponse.GRACEFUL_FAILURE ||
status == ClientResponse.USER_ABORT) {
// log what happened
hardStop("BigTableLoader gracefully failed to insert into table " + tableName + " and this shoudn't happen. Exiting.");
}
if (status != ClientResponse.SUCCESS) {
// log what happened
log.warn("BigTableLoader ungracefully failed to insert into table " + tableName);
log.warn(((ClientResponseImpl) clientResponse).toJSONString());
}
else {
Benchmark.txnCount.incrementAndGet();
rowsLoaded++;
}
latch.countDown();
}
}
@Override
public void run() {
byte[] data = new byte[rowSize];
long currentRowCount;
while (m_shouldContinue.get()) {
r.nextBytes(data);
try {
currentRowCount = TxnId2Utils.getRowCount(client, tableName);
// insert some batches...
while ((currentRowCount < targetCount) && (m_shouldContinue.get())) {
CountDownLatch latch = new CountDownLatch(batchSize);
// try to insert batchSize random rows
for (int i = 0; i < batchSize; i++) {
long p = Math.abs((long)(r.nextGaussian() * this.partitionCount));
try {
m_permits.acquire();
} catch (InterruptedException e) {
if (!m_shouldContinue.get()) {
return;
}
log.error("BigTableLoader thread interrupted while waiting for permit. " + e.getMessage());
}
insertsTried++;
client.callProcedure(new InsertCallback(latch), tableName.toUpperCase() + "TableInsert", p, data);
}
try {
latch.await(10, TimeUnit.SECONDS);
} catch (InterruptedException e) {
if (!m_shouldContinue.get()) {
return;
}
log.error("BigTableLoader thread interrupted while waiting." + e.getMessage());
}
long nextRowCount = TxnId2Utils.getRowCount(client, tableName);
// if no progress, throttle a bit
if (nextRowCount == currentRowCount) {
try { Thread.sleep(1000); } catch (Exception e2) {}
}
currentRowCount = nextRowCount;
log.debug("BigTableLoader " + tableName.toUpperCase() + " count " + currentRowCount);
}
}
catch (Exception e) {
if ( e instanceof InterruptedIOException && ! m_shouldContinue.get()) {
continue;
}
// on exception, log and end the thread, but don't kill the process
log.error("BigTableLoader failed a TableInsert procedure call for table '" + tableName + "' " + e.getMessage());
try { Thread.sleep(3000); } catch (Exception e2) {}
}
}
log.info("BigTableLoader normal exit for table " + tableName + " rows sent: " + insertsTried + " inserted: " + rowsLoaded + " truncates: " + nTruncates);
}
}