improved multi-threading and throughtput, cleanup

This commit is contained in:
Mohammad Derakhshani 2017-10-13 11:03:09 -07:00
Родитель cfd1938a42
Коммит 27583c5265
6 изменённых файлов: 170 добавлений и 84 удалений

Просмотреть файл

@ -114,6 +114,7 @@ class BatchInserter {
@Override
public InsertMetrics call() throws Exception {
logger.debug("pki {} importing mini batch started", partitionKeyRangeId);
Stopwatch stopwatch = Stopwatch.createStarted();
double requestUnitsCounsumed = 0;
int numberOfThrottles = 0;
@ -123,6 +124,8 @@ class BatchInserter {
int currentDocumentIndex = 0;
while (currentDocumentIndex < miniBatch.size()) {
logger.debug("pki {} inside for loop, currentDocumentIndex", partitionKeyRangeId, currentDocumentIndex);
String[] docBatch = miniBatch.subList(currentDocumentIndex, miniBatch.size()).toArray(new String[0]);
// Before c# 6, await not allowed in the catch block, hence the following two local variables.
@ -134,7 +137,7 @@ class BatchInserter {
// set partition key range id
requestOptions.setPartitionKeyRengeId(partitionKeyRangeId);
logger.debug("Partition Key Range Id {}, Trying to import minibatch of {} documenents", partitionKeyRangeId, docBatch.length);
logger.debug("pki {}, Trying to import minibatch of {} documenents", partitionKeyRangeId, docBatch.length);
if (!timedOut) {
@ -158,7 +161,7 @@ class BatchInserter {
if (bulkImportResponse != null) {
if (bulkImportResponse.errorCode != 0) {
logger.warn("Partition range id {} Received response error code {}", partitionKeyRangeId, bulkImportResponse.errorCode);
logger.warn("pki {} Received response error code {}", partitionKeyRangeId, bulkImportResponse.errorCode);
}
double requestCharge = response.getRequestCharge();
@ -168,36 +171,36 @@ class BatchInserter {
totalRequestUnitsConsumed.addAndGet(requestCharge);
}
else {
logger.warn("Partition range id {} Failed to receive response", partitionKeyRangeId);
logger.warn("pki {} Failed to receive response", partitionKeyRangeId);
}
} catch (DocumentClientException e) {
logger.trace("Importing minibatch for partition key range id {} failed", partitionKeyRangeId, e);
logger.debug("pki {} Importing minibatch failed", partitionKeyRangeId, e);
if (isThrottled(e)) {
logger.debug("Throttled on partition range id {}", partitionKeyRangeId);
logger.debug("pki {} Throttled on partition range id", partitionKeyRangeId);
numberOfThrottles++;
isThrottled = true;
retryAfter = Duration.ofMillis(e.getRetryAfterInMilliseconds());
} else if (isTimedOut(e)) {
logger.debug("Request timed out on partition range id {}", partitionKeyRangeId);
logger.debug("pki {} Request timed out", partitionKeyRangeId);
timedOut = true;
} else if (isGone(e)) {
if (isSplit(e)) {
String errorMessage = String.format("Partition range id %s is undergoing split, please retry shortly after re-initializing BulkImporter object", partitionKeyRangeId);
String errorMessage = String.format("pki %s is undergoing split, please retry shortly after re-initializing BulkImporter object", partitionKeyRangeId);
logger.error(errorMessage);
throw new RuntimeException(errorMessage);
} else {
String errorMessage = String.format("Partition range id %s is gone, please retry shortly after re-initializing BulkImporter object", partitionKeyRangeId);
String errorMessage = String.format("pki %s is gone, please retry shortly after re-initializing BulkImporter object", partitionKeyRangeId);
logger.error(errorMessage);
throw new RuntimeException(errorMessage);
}
} else {
String errorMessage = String.format("Partition range id %s failed to import mini-batch. Exception was %s. Status code was %s",
String errorMessage = String.format("pki %s failed to import mini-batch. Exception was %s. Status code was %s",
partitionKeyRangeId,
e.getMessage(),
e.getStatusCode());
@ -206,7 +209,7 @@ class BatchInserter {
}
} catch (Exception e) {
String errorMessage = String.format("Partition range id %s Failed to import mini-batch. Exception was %s", partitionKeyRangeId,
String errorMessage = String.format("pki %s Failed to import mini-batch. Exception was %s", partitionKeyRangeId,
e.getMessage());
logger.error(errorMessage, e);
throw new RuntimeException(errorMessage, e);
@ -214,13 +217,16 @@ class BatchInserter {
if (isThrottled) {
try {
Thread.sleep(retryAfter.getSeconds() * 1000);
logger.debug("pki {} throttled going to sleep for {} millis ", partitionKeyRangeId, retryAfter.toMillis());
Thread.sleep(retryAfter.toMillis());
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
}
}
logger.debug("pki {} completed", partitionKeyRangeId);
stopwatch.stop();
InsertMetrics insertMetrics = new InsertMetrics(currentDocumentIndex, stopwatch.elapsed(), requestUnitsCounsumed, numberOfThrottles);

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@ -38,6 +38,7 @@ import java.util.concurrent.Callable;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import java.util.stream.StreamSupport;
@ -66,7 +67,7 @@ import com.microsoft.azure.documentdb.internal.routing.PartitionKeyInternal;
import com.microsoft.azure.documentdb.internal.routing.PartitionKeyRangeCache;
import com.microsoft.azure.documentdb.internal.routing.Range;
public class BulkImporter {
public class BulkImporter implements AutoCloseable {
/**
* The name of the system stored procedure for bulk import.
@ -157,7 +158,7 @@ public class BulkImporter {
this.partitionKeyDefinition = collection.getPartitionKey();
this.listeningExecutorService = MoreExecutors.listeningDecorator(Executors.newWorkStealingPool(client.getConnectionPolicy().getMaxPoolSize()));
this.listeningExecutorService = MoreExecutors.listeningDecorator(Executors.newCachedThreadPool());
this.initializationFuture = this.listeningExecutorService.submit(new Callable<Void>() {
@ -169,6 +170,30 @@ public class BulkImporter {
});
}
/**
* Releases any internal resources.
* It is responsibility of the caller to close {@link DocumentClient}.
*/
@Override
public void close() {
// disable submission of new tasks
listeningExecutorService.shutdown();
try {
// wait for existing tasks to terminate
if (!listeningExecutorService.awaitTermination(60, TimeUnit.SECONDS)) {
// cancel any currently running executing tasks
listeningExecutorService.shutdownNow();
// wait for cancelled tasks to terminate
if (!listeningExecutorService.awaitTermination(60, TimeUnit.SECONDS)) {
logger.error("some tasks did not terminate");
}
}
} catch (InterruptedException e) {
listeningExecutorService.shutdownNow();
Thread.currentThread().interrupt();
}
}
/**
* Initializes {@link BulkImporter}. This happens only once
* @throws DocumentClientException
@ -310,7 +335,6 @@ public class BulkImporter {
}
});
logger.debug("Preprocessing took: " + watch.elapsed().toMillis() + " millis");
logger.debug("Beginning bulk import within each partition bucket");
Map<String, BatchInserter> batchInserters = new HashMap<String, BatchInserter>();
@ -331,17 +355,26 @@ public class BulkImporter {
new CongestionController(listeningExecutorService, collectionThroughput / partitionKeyRangeIds.size(), partitionKeyRangeId, batchInserter, this.partitionDegreeOfConcurrency.get(partitionKeyRangeId)));
}
logger.debug("Preprocessing took: " + watch.elapsed().toMillis() + " millis");
System.out.println("total preprocessing took: " + watch.elapsed().toMillis() + " millis");
List<ListenableFuture<Void>> futures = congestionControllers.values().parallelStream().map(c -> c.ExecuteAll()).collect(Collectors.toList());
List<ListenableFuture<Void>> futures = new ArrayList<>();
for(CongestionController cc: congestionControllers.values()) {
ListenableFuture<Void> f = cc.executeAllAsync();
futures.add(f);
}
// TODO go with the following
// List<ListenableFuture<Void>> futures = congestionControllers.values().parallelStream().map(c -> c.ExecuteAll()).collect(Collectors.toList());
FutureCombiner<Void> futureContainer = Futures.whenAllComplete(futures);
AsyncCallable<BulkImportResponse> completeAsyncCallback = new AsyncCallable<BulkImportResponse>() {
@Override
public ListenableFuture<BulkImportResponse> call() throws Exception {
// TODO: this can change so aggregation of the result happen at each
for(String partitionKeyRangeId: partitionKeyRangeIds) {
partitionDegreeOfConcurrency.put(partitionKeyRangeId, congestionControllers.get(partitionKeyRangeId).getDegreeOfConcurrency());
}
@ -357,7 +390,7 @@ public class BulkImporter {
}
};
return futureContainer.callAsync(completeAsyncCallback, MoreExecutors.directExecutor());
return futureContainer.callAsync(completeAsyncCallback, listeningExecutorService);
}
private CollectionRoutingMap getCollectionRoutingMap(DocumentClient client) {

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@ -21,23 +21,16 @@ public class Configuration {
@Parameter(names = "-collectionId", description = "Collection ID", required = true)
private String collectionId;
// @Parameter(names = "-documentDataFieldSize", description = "Length of a document data field in characters (16-bit)")
// private int documentDataFieldSize = 1;
@Parameter(names = "-maxConnectionPoolSize", description = "Max Connection Pool Size")
@Parameter(names = "-maxConnectionPoolSize", description = "Max Connection Pool Size, it is a good idea to")
private Integer maxConnectionPoolSize = 200;
@Parameter(names = "-consistencyLevel", description = "Consistency Level")
private ConsistencyLevel consistencyLevel = ConsistencyLevel.Session;
private ConsistencyLevel consistencyLevel = ConsistencyLevel.Eventual;
@Parameter(names = "-connectionMode", description = "Connection Mode")
private ConnectionMode connectionMode = ConnectionMode.Gateway;
// @Parameter(names = "-concurrency", description = "Degree of Concurrency in Inserting Documents (only applies to blocking client)."
// + " If this value is not specified, the max connection pool size will be used as the concurrency level.")
// private Integer concurrency;
@Parameter(names = "-numberOfDocumentsForEachCheckpoint", description = "Number of documents in each checkpoint.")
private int numberOfDocumentsForEachCheckpoint = 100000;
@ -66,10 +59,6 @@ public class Configuration {
public boolean isHelp() {
return help;
}
//
// public int getDocumentDataFieldSize() {
// return documentDataFieldSize;
// }
public ConnectionPolicy getConnectionPolicy() {
ConnectionPolicy policy = new ConnectionPolicy();
@ -90,14 +79,6 @@ public class Configuration {
return collectionId;
}
// public int getConcurrency() {
// if (this.concurrency != null) {
// return concurrency;
// } else {
// return this.maxConnectionPoolSize;
// }
// }
@Override
public String toString() {
return ToStringBuilder.reflectionToString(this, ToStringStyle.MULTI_LINE_STYLE);

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@ -32,6 +32,7 @@ import java.util.concurrent.Semaphore;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.common.util.concurrent.AsyncFunction;
import com.google.common.util.concurrent.FutureCallback;
import com.google.common.util.concurrent.Futures;
import com.google.common.util.concurrent.ListenableFuture;
@ -45,7 +46,7 @@ class CongestionController {
/**
* The degree of concurrency to start at.
*/
private static final int STARTING_DEGREE_OF_CONCURRENCY = 2;
private static final int STARTING_DEGREE_OF_CONCURRENCY = 3;
/**
* The maximum degree of concurrency to go upto for a single physical partition.
@ -138,7 +139,7 @@ class CongestionController {
this.throttleSemaphore = new Semaphore(this.degreeOfConcurrency);
this.aggregatedInsertMetrics = new InsertMetrics();
this.executor = executor;
this.partitionThroughput = partitionThroughput;
this.partitionThroughput = partitionThroughput;
}
private synchronized InsertMetrics atomicGetAndReplace(InsertMetrics metrics) {
@ -157,15 +158,16 @@ class CongestionController {
// TODO: FIXME I think semaphore may reach 0 here and if so that will create a deadlock
// verify and fix
logger.debug("partition key range id {} goes to sleep for {} seconds", partitionKeyRangeId, samplePeriod.getSeconds());
logger.debug("pki {} goes to sleep for {} seconds. availabel semaphore permits {}, current degree of parallelism {}",
partitionKeyRangeId, samplePeriod.getSeconds(), throttleSemaphore.availablePermits(), degreeOfConcurrency);
Thread.sleep(samplePeriod.toMillis());
logger.debug("{} wakes up", partitionKeyRangeId);
logger.debug("pki {} wakes up", partitionKeyRangeId);
InsertMetrics insertMetricsSample = atomicGetAndReplace(new InsertMetrics());
if (insertMetricsSample.numberOfThrottles > 0) {
logger.debug("Importing for partition key range id {} encountered {} throttling, reducing parallelism",
partitionKeyRangeId, insertMetricsSample.numberOfThrottles);
logger.debug("pki {} importing encountered {} throttling. current degree of parallelism {}, decreasing amount: {}",
partitionKeyRangeId, insertMetricsSample.numberOfThrottles, degreeOfConcurrency, degreeOfConcurrency / MULTIPLICATIVE_DECREASE_FACTOR);
// We got a throttle so we need to back off on the degree of concurrency.
// Get the current degree of concurrency and decrease that (AIMD).
@ -173,8 +175,11 @@ class CongestionController {
for (int i = 0; i < degreeOfConcurrency / MULTIPLICATIVE_DECREASE_FACTOR; i++) {
throttleSemaphore.acquire();
}
degreeOfConcurrency -= (degreeOfConcurrency / MULTIPLICATIVE_DECREASE_FACTOR);
logger.debug("pki {} degree of parallelism reduced to {}, sem available permits", partitionKeyRangeId, degreeOfConcurrency, throttleSemaphore.availablePermits());
}
if (insertMetricsSample.numberOfDocumentsInserted == 0) {
@ -182,21 +187,25 @@ class CongestionController {
continue;
}
logger.debug("{} aggregating inserts metrics", partitionKeyRangeId);
logger.debug("pki {} aggregating inserts metrics", partitionKeyRangeId);
if (insertMetricsSample.numberOfThrottles == 0) {
if ((insertMetricsSample.requestUnitsConsumed < THROUGHPUT_THRESHOLD * partitionThroughput) &&
degreeOfConcurrency + ADDITIVE_INCREASE_FACTOR <= MAX_DEGREE_OF_CONCURRENCY) {
// We aren't getting throttles, so we should bump of the degree of concurrency (AIAD).
logger.debug("pki {} increasing degree of prallelism and releasing semaphore", partitionKeyRangeId);
throttleSemaphore.release(ADDITIVE_INCREASE_FACTOR);
degreeOfConcurrency += ADDITIVE_INCREASE_FACTOR;
logger.debug("pki {} degree of parallelism increased to {}. available semaphore permits {}", partitionKeyRangeId, degreeOfConcurrency, throttleSemaphore.availablePermits());
}
}
double ruPerSecond = insertMetricsSample.requestUnitsConsumed / samplePeriod.getSeconds();
documentsInsertedSoFar += insertMetricsSample.numberOfDocumentsInserted;
logger.debug("Partition key range id {} : Inserted {} docs in {} milli seconds at {} RU/s with {} tasks."
logger.debug("pki {} : Inserted {} docs in {} milli seconds at {} RU/s with {} tasks."
+ " Faced {} throttles. Total documents inserterd so far {}.",
partitionKeyRangeId,
insertMetricsSample.numberOfDocumentsInserted,
@ -205,10 +214,13 @@ class CongestionController {
degreeOfConcurrency,
insertMetricsSample.numberOfThrottles,
documentsInsertedSoFar);
} catch (InterruptedException e) {
logger.warn("Interrupted", e);
break;
} catch (Exception e) {
logger.error("pki {} unexpected failure", partitionKeyRangeId, e);
throw e;
}
}
@ -217,9 +229,33 @@ class CongestionController {
};
}
public ListenableFuture<Void> ExecuteAll() {
public ListenableFuture<Void> executeAllAsync() {
Callable<ListenableFuture<Void>> c = new Callable<ListenableFuture<Void>>() {
logger.debug("Executing batching in partition {}", partitionKeyRangeId);
@Override
public ListenableFuture<Void> call() throws Exception {
return executeAll();
}
};
ListenableFuture<ListenableFuture<Void>> f = executor.submit(c);
AsyncFunction<ListenableFuture<Void>, Void> function = new AsyncFunction<ListenableFuture<Void>, Void>() {
@Override
public ListenableFuture<Void> apply(ListenableFuture<Void> input) throws Exception {
return input;
}
};
return Futures.transformAsync(f, function, executor);
}
public ListenableFuture<Void> executeAll() {
logger.debug("pki{} Executing batching", partitionKeyRangeId);
ListenableFuture<Void> completionFuture = executor.submit(congestionControlTask());
Iterator<Callable<InsertMetrics>> batchExecutionIterator = batchInserter.miniBatchInsertExecutionCallableIterator();
List<ListenableFuture<InsertMetrics>> futureList = new ArrayList<>();
@ -228,11 +264,12 @@ class CongestionController {
// Main thread waits on the throttleSem so no more than MaxDegreeOfParallelism Tasks are run at a time.
try {
logger.trace("trying to accequire semaphore");
logger.debug("pki {} trying to accequire semaphore to execute a task. available permits {}", partitionKeyRangeId, this.throttleSemaphore.availablePermits());
this.throttleSemaphore.acquire();
logger.trace("semaphore accequired");
logger.debug("pki {} accquiring semaphore for executing a task succeeded. available permits {}", partitionKeyRangeId, this.throttleSemaphore.availablePermits());
} catch (InterruptedException e) {
logger.error("Interrupted", e);
logger.error("pki {} Interrupted, releasing semaphore", partitionKeyRangeId, e);
this.throttleSemaphore.release();
throw new RuntimeException(e);
}
@ -242,16 +279,18 @@ class CongestionController {
@Override
public void onSuccess(InsertMetrics result) {
logger.debug("pki {} accquiring a synchronized lock to update metrics", partitionKeyRangeId);
synchronized (CongestionController.this) {
aggregatedInsertMetrics = InsertMetrics.sum(aggregatedInsertMetrics, result);
}
logger.trace("releasing semaphore");
logger.debug("pki {} releasing semaphore on completion of task", partitionKeyRangeId);
throttleSemaphore.release();
}
@Override
public void onFailure(Throwable t) {
logger.trace("encountered failure {} releasing semaphore", t);
logger.trace("pki {} encountered failure {} releasing semaphore", partitionKeyRangeId, t);
throttleSemaphore.release();
}
};
@ -266,28 +305,31 @@ class CongestionController {
@Override
public void onSuccess(List<InsertMetrics> result) {
logger.debug("importing for partition key range {} completed", partitionKeyRangeId);
logger.debug("pki {} importing completed", partitionKeyRangeId);
getAndSet(State.Completed);
}
@Override
public void onFailure(Throwable t) {
logger.error("importing for partition key range {} failed", partitionKeyRangeId, t);
logger.error("pki {} importing failed", partitionKeyRangeId, t);
getAndSet(State.Failure);
}
};
Futures.addCallback(allFutureResults, completionCallback, MoreExecutors.directExecutor());
return executor.submit(congestionControlTask());
return completionFuture;
}
public synchronized State getAndSet(State state) {
logger.debug("pki {} state set to {}", partitionKeyRangeId, state);
State res = this.state;
this.state = state;
return res;
}
public synchronized boolean isRunning() {
logger.debug("pki {} in isRunning", partitionKeyRangeId);
return state == State.Running;
}

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@ -22,6 +22,7 @@
*/
package com.microsoft.azure.documentdb.bulkimport;
import java.util.Collection;
import java.util.Iterator;
import java.util.UUID;
import java.util.concurrent.ExecutionException;
@ -31,10 +32,13 @@ import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.beust.jcommander.JCommander;
import com.google.common.base.Preconditions;
import com.google.common.base.Stopwatch;
import com.microsoft.azure.documentdb.ConnectionPolicy;
import com.microsoft.azure.documentdb.DocumentClient;
import com.microsoft.azure.documentdb.DocumentClientException;
import com.microsoft.azure.documentdb.DocumentCollection;
import com.microsoft.azure.documentdb.PartitionKeyDefinition;
import com.microsoft.azure.documentdb.RetryOptions;
public class Main {
@ -49,18 +53,23 @@ public class Main {
String collectionLink = String.format("/dbs/%s/colls/%s", cfg.getDatabaseId(), cfg.getCollectionId());
// this assumes database and collection already exists
// also it is a good idea to set your connection pool size to be equal to the number of partitions serving your collection.
DocumentCollection collection = client.readCollection(collectionLink, null).getResource();
// instantiates bulk importer
BulkImporter bulkImporter = new BulkImporter(client, collection);
Stopwatch totalWatch = Stopwatch.createStarted();
double totalRequestCharge = 0;
long totalTimeInMillis = 0;
long totalNumberOfDocumentsImported = 0;
for(int i = 0 ; i < cfg.getNumberOfCheckpoints(); i++) {
Iterator<String> inputDocumentIterator = generatedDocuments(cfg);
Iterator<String> inputDocumentIterator = generatedDocuments(cfg, collection);
System.out.println("##########################################################################################");
BulkImportResponse bulkImportResponse = bulkImporter.bulkImport(inputDocumentIterator, false);
totalNumberOfDocumentsImported += bulkImportResponse.getNumberOfDocumentsImported();
@ -68,9 +77,8 @@ public class Main {
totalRequestCharge += bulkImportResponse.getTotalRequestUnitsConsumed();
// print stats
System.out.println("##########################################################################################");
System.out.println("Number of documents inserted in this checkpoint: " + bulkImportResponse.getNumberOfDocumentsImported());
System.out.println("Import time for this checkpoint: " + bulkImportResponse.getTotalTimeTaken());
System.out.println("Import time for this checkpoint in milli seconds " + bulkImportResponse.getTotalTimeTaken().toMillis());
System.out.println("Total request unit consumed in this checkpoint: " + bulkImportResponse.getTotalRequestUnitsConsumed());
System.out.println("Average RUs/second in this checkpoint: " + bulkImportResponse.getTotalRequestUnitsConsumed() / (0.001 * bulkImportResponse.getTotalTimeTaken().toMillis()));
@ -78,42 +86,58 @@ public class Main {
System.out.println("##########################################################################################");
}
System.out.println("##########################################################################################");
totalWatch.stop();
System.out.println("##########################################################################################");
System.out.println("Total summed Import time in milli seconds: " + totalTimeInMillis);
System.out.println("Total Number of documents inserted " + totalNumberOfDocumentsImported);
System.out.println("Total Import time in seconds: " + totalTimeInMillis / 1000);
System.out.println("Total Import time measured by stop watch in milli seconds: " + totalWatch.elapsed().toMillis());
System.out.println("Total request unit consumed: " + totalRequestCharge);
System.out.println("Average RUs/second:" + totalRequestCharge / (totalWatch.elapsed().toMillis() * 0.001));
System.out.println("Average #Inserts/second: " + totalNumberOfDocumentsImported / (totalWatch.elapsed().toMillis() * 0.001));
System.out.println("Average RUs/second:" + totalRequestCharge / (totalTimeInMillis * 0.001));
System.out.println("Average #Inserts/second: " + totalNumberOfDocumentsImported / (totalTimeInMillis * 0.001));
// close bulk importer to release any existing resources
bulkImporter.close();
// close document client
client.close();
}
private static Iterator<String> generatedDocuments(Configuration cfg) {
private static Iterator<String> generatedDocuments(Configuration cfg, DocumentCollection collection) {
PartitionKeyDefinition partitionKeyDefinition = collection.getPartitionKey();
Preconditions.checkArgument(partitionKeyDefinition != null &&
partitionKeyDefinition.getPaths().size() > 0, "there is no partition key definition");
Collection<String> partitionKeyPath = partitionKeyDefinition.getPaths();
Preconditions.checkArgument(partitionKeyPath.size() == 1,
"the command line benchmark tool only support simple partition key path");
String partitionKeyName = partitionKeyPath.iterator().next().replaceFirst("^/", "");
// the size of each document is approximately 1KB
// return documents to be bulk imported
// if you are reading documents from disk you can change this to read documents from disk
return IntStream.range(0, cfg.getNumberOfDocumentsForEachCheckpoint()).mapToObj(i ->
{
String id = UUID.randomUUID().toString();
String mypk = UUID.randomUUID().toString();
String v = UUID.randomUUID().toString();
String fieldValue = v + "123456789";
for(int j = 0; j < 24 ; j++) {
fieldValue += v;
StringBuilder sb = new StringBuilder();
sb.append("{");
sb.append("\"id\":\"").append(UUID.randomUUID().toString()).append("\"");
sb.append(",\"").append(partitionKeyName).append("\":\"").append(UUID.randomUUID().toString()).append("abc\"");
String data = UUID.randomUUID().toString();
data = data + data + "0123456789012";
for(int j = 0; j < 10;j++) {
sb.append(",").append("\"f").append(j).append("\":\"").append(data).append("\"");
}
String doc = String.format("{" +
" \"dataField\": \"%s\"," +
" \"mypk\": \"%s\"," +
" \"id\": \"%s\"" +
"}", fieldValue, mypk, id);
//System.out.println("number of bytes in document: " + doc.getBytes(Charset.forName("UTF-8")).length);
return doc;
sb.append("}");
return sb.toString();
}).iterator();
}

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@ -99,7 +99,7 @@ public class CongestionControllerTests {
Mockito.any(Object[].class))).thenReturn(bulkImportResponse);
CongestionController cc = new CongestionController(listeningExecutorService, 10000, paritionKeyRangeId, bi);
ListenableFuture<Void> listenableFuture = cc.ExecuteAll();
ListenableFuture<Void> listenableFuture = cc.executeAllAsync();
CountDownLatch latch = new CountDownLatch(1);
@ -168,7 +168,7 @@ public class CongestionControllerTests {
Mockito.any(Object[].class))).thenReturn(bulkImportResponse1).thenReturn(bulkImportResponse2);
CongestionController cc = new CongestionController(listeningExecutorService, 10000, paritionKeyRangeId, bi);
ListenableFuture<Void> listenableFuture = cc.ExecuteAll();
ListenableFuture<Void> listenableFuture = cc.executeAllAsync();
CountDownLatch latch = new CountDownLatch(1);