HADOOP-16900. Very large files can be truncated when written through the S3A FileSystem.
Contributed by Mukund Thakur and Steve Loughran. This patch ensures that writes to S3A fail when more than 10,000 blocks are written. That upper bound still exists. To write massive files, make sure that the value of fs.s3a.multipart.size is set to a size which is large enough to upload the files in fewer than 10,000 blocks. Change-Id: Icec604e2a357ffd38d7ae7bc3f887ff55f2d721a
This commit is contained in:
Mukund Thakur
Steve Loughran
parent
7a323a45aa
commit
b0c9e4f1b5
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@ -28,7 +28,6 @@ import java.util.concurrent.ExecutorService;
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import java.util.concurrent.atomic.AtomicBoolean;
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import java.util.concurrent.atomic.AtomicInteger;
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import com.amazonaws.AmazonClientException;
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import com.amazonaws.event.ProgressEvent;
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import com.amazonaws.event.ProgressEventType;
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import com.amazonaws.event.ProgressListener;
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@ -46,6 +45,7 @@ import org.slf4j.LoggerFactory;
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import org.apache.hadoop.classification.InterfaceAudience;
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import org.apache.hadoop.classification.InterfaceStability;
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import org.apache.hadoop.fs.PathIOException;
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import org.apache.hadoop.fs.StreamCapabilities;
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import org.apache.hadoop.fs.s3a.commit.CommitConstants;
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import org.apache.hadoop.fs.s3a.commit.PutTracker;
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@ -304,8 +304,8 @@ class S3ABlockOutputStream extends OutputStream implements
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/**
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* Start an asynchronous upload of the current block.
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* @throws IOException Problems opening the destination for upload
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* or initializing the upload.
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* @throws IOException Problems opening the destination for upload,
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* initializing the upload, or if a previous operation has failed.
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*/
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private synchronized void uploadCurrentBlock() throws IOException {
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Preconditions.checkState(hasActiveBlock(), "No active block");
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@ -394,6 +394,13 @@ class S3ABlockOutputStream extends OutputStream implements
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}
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LOG.debug("Upload complete to {} by {}", key, writeOperationHelper);
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} catch (IOException ioe) {
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// the operation failed.
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// if this happened during a multipart upload, abort the
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// operation, so as to not leave (billable) data
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// pending on the bucket
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if (multiPartUpload != null) {
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multiPartUpload.abort();
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}
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writeOperationHelper.writeFailed(ioe);
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throw ioe;
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} finally {
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@ -528,6 +535,13 @@ class S3ABlockOutputStream extends OutputStream implements
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private int partsUploaded;
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private long bytesSubmitted;
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/**
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* Any IOException raised during block upload.
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* if non-null, then close() MUST NOT complete
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* the file upload.
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*/
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private IOException blockUploadFailure;
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MultiPartUpload(String key) throws IOException {
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this.uploadId = writeOperationHelper.initiateMultiPartUpload(key);
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this.partETagsFutures = new ArrayList<>(2);
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@ -568,23 +582,48 @@ class S3ABlockOutputStream extends OutputStream implements
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return bytesSubmitted;
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}
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/**
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* A block upload has failed.
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* Recorded it if there has been no previous failure.
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* @param e error
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*/
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public void noteUploadFailure(final IOException e) {
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if (blockUploadFailure == null) {
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blockUploadFailure = e;
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}
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}
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/**
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* If there is a block upload failure -throw it.
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* @throws IOException if one has already been caught.
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*/
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public void maybeRethrowUploadFailure() throws IOException {
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if (blockUploadFailure != null) {
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throw blockUploadFailure;
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}
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}
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/**
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* Upload a block of data.
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* This will take the block
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* @param block block to upload
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* @throws IOException upload failure
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* @throws PathIOException if too many blocks were written
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*/
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private void uploadBlockAsync(final S3ADataBlocks.DataBlock block)
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throws IOException {
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LOG.debug("Queueing upload of {} for upload {}", block, uploadId);
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Preconditions.checkNotNull(uploadId, "Null uploadId");
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maybeRethrowUploadFailure();
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partsSubmitted++;
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final int size = block.dataSize();
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bytesSubmitted += size;
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final S3ADataBlocks.BlockUploadData uploadData = block.startUpload();
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final int currentPartNumber = partETagsFutures.size() + 1;
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final UploadPartRequest request =
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writeOperationHelper.newUploadPartRequest(
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final UploadPartRequest request;
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final S3ADataBlocks.BlockUploadData uploadData;
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try {
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uploadData = block.startUpload();
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request = writeOperationHelper.newUploadPartRequest(
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key,
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uploadId,
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currentPartNumber,
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@ -592,7 +631,11 @@ class S3ABlockOutputStream extends OutputStream implements
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uploadData.getUploadStream(),
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uploadData.getFile(),
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0L);
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} catch (IOException e) {
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// failure to start the upload.
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noteUploadFailure(e);
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throw e;
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}
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long transferQueueTime = now();
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BlockUploadProgress callback =
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new BlockUploadProgress(
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@ -613,6 +656,10 @@ class S3ABlockOutputStream extends OutputStream implements
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LOG.debug("Stream statistics of {}", statistics);
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partsUploaded++;
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return partETag;
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} catch (IOException e) {
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// save immediately.
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noteUploadFailure(e);
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throw e;
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} finally {
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// close the stream and block
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cleanupWithLogger(LOG, uploadData, block);
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@ -638,10 +685,6 @@ class S3ABlockOutputStream extends OutputStream implements
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//there is no way of recovering so abort
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//cancel all partUploads
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LOG.debug("While waiting for upload completion", ee);
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LOG.debug("Cancelling futures");
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for (ListenableFuture<PartETag> future : partETagsFutures) {
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future.cancel(true);
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}
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//abort multipartupload
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this.abort();
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throw extractException("Multi-part upload with id '" + uploadId
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@ -649,6 +692,16 @@ class S3ABlockOutputStream extends OutputStream implements
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}
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}
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/**
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* Cancel all active uploads.
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*/
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private void cancelAllActiveFutures() {
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LOG.debug("Cancelling futures");
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for (ListenableFuture<PartETag> future : partETagsFutures) {
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future.cancel(true);
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}
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}
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/**
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* This completes a multipart upload.
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* Sometimes it fails; here retries are handled to avoid losing all data
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@ -658,6 +711,7 @@ class S3ABlockOutputStream extends OutputStream implements
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*/
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private void complete(List<PartETag> partETags)
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throws IOException {
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maybeRethrowUploadFailure();
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AtomicInteger errorCount = new AtomicInteger(0);
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try {
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writeOperationHelper.completeMPUwithRetries(key,
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@ -675,9 +729,9 @@ class S3ABlockOutputStream extends OutputStream implements
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* IOExceptions are caught; this is expected to be run as a cleanup process.
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*/
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public void abort() {
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int retryCount = 0;
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AmazonClientException lastException;
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LOG.debug("Aborting upload");
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fs.incrementStatistic(OBJECT_MULTIPART_UPLOAD_ABORTED);
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cancelAllActiveFutures();
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try {
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writeOperationHelper.abortMultipartUpload(key, uploadId,
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(text, e, r, i) -> statistics.exceptionInMultipartAbort());
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@ -49,6 +49,7 @@ import org.apache.hadoop.classification.InterfaceAudience;
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import org.apache.hadoop.classification.InterfaceStability;
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import org.apache.hadoop.conf.Configuration;
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import org.apache.hadoop.fs.Path;
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import org.apache.hadoop.fs.PathIOException;
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import org.apache.hadoop.fs.s3a.s3guard.BulkOperationState;
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import org.apache.hadoop.fs.s3a.s3guard.S3Guard;
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import org.apache.hadoop.fs.s3a.select.SelectBinding;
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@ -57,6 +58,9 @@ import org.apache.hadoop.util.DurationInfo;
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import static com.google.common.base.Preconditions.checkArgument;
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import static com.google.common.base.Preconditions.checkNotNull;
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import static org.apache.hadoop.fs.s3a.Invoker.*;
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import static org.apache.hadoop.fs.s3a.S3AUtils.longOption;
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import static org.apache.hadoop.fs.s3a.impl.InternalConstants.DEFAULT_UPLOAD_PART_COUNT_LIMIT;
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import static org.apache.hadoop.fs.s3a.impl.InternalConstants.UPLOAD_PART_COUNT_LIMIT;
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/**
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* Helper for low-level operations against an S3 Bucket for writing data,
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@ -384,6 +388,7 @@ public class WriteOperationHelper {
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* A subset of the file may be posted, by providing the starting point
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* in {@code offset} and a length of block in {@code size} equal to
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* or less than the remaining bytes.
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* The part number must be less than 10000.
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* @param destKey destination key of ongoing operation
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* @param uploadId ID of ongoing upload
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* @param partNumber current part number of the upload
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@ -392,6 +397,8 @@ public class WriteOperationHelper {
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* @param sourceFile optional source file.
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* @param offset offset in file to start reading.
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* @return the request.
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* @throws IllegalArgumentException if the parameters are invalid -including
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* @throws PathIOException if the part number is out of range.
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*/
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public UploadPartRequest newUploadPartRequest(
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String destKey,
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@ -400,18 +407,32 @@ public class WriteOperationHelper {
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int size,
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InputStream uploadStream,
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File sourceFile,
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Long offset) {
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Long offset) throws PathIOException {
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checkNotNull(uploadId);
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// exactly one source must be set; xor verifies this
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checkArgument((uploadStream != null) ^ (sourceFile != null),
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"Data source");
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checkArgument(size >= 0, "Invalid partition size %s", size);
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checkArgument(partNumber > 0 && partNumber <= 10000,
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"partNumber must be between 1 and 10000 inclusive, but is %s",
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partNumber);
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checkArgument(partNumber > 0,
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"partNumber must be between 1 and %s inclusive, but is %s",
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DEFAULT_UPLOAD_PART_COUNT_LIMIT, partNumber);
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LOG.debug("Creating part upload request for {} #{} size {}",
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uploadId, partNumber, size);
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long partCountLimit = longOption(conf,
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UPLOAD_PART_COUNT_LIMIT,
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DEFAULT_UPLOAD_PART_COUNT_LIMIT,
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1);
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if (partCountLimit != DEFAULT_UPLOAD_PART_COUNT_LIMIT) {
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LOG.warn("Configuration property {} shouldn't be overridden by client",
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UPLOAD_PART_COUNT_LIMIT);
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}
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final String pathErrorMsg = "Number of parts in multipart upload exceeded."
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+ " Current part count = %s, Part count limit = %s ";
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if (partNumber > partCountLimit) {
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throw new PathIOException(destKey,
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String.format(pathErrorMsg, partNumber, partCountLimit));
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}
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UploadPartRequest request = new UploadPartRequest()
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.withBucketName(bucket)
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.withKey(destKey)
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@ -42,6 +42,7 @@ import org.apache.hadoop.conf.Configuration;
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import org.apache.hadoop.fs.LocatedFileStatus;
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import org.apache.hadoop.fs.Path;
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import org.apache.hadoop.fs.PathFilter;
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import org.apache.hadoop.fs.PathIOException;
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import org.apache.hadoop.fs.RemoteIterator;
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import org.apache.hadoop.fs.s3a.S3AFileSystem;
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import org.apache.hadoop.fs.s3a.S3AInstrumentation;
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@ -50,6 +51,7 @@ import org.apache.hadoop.fs.s3a.WriteOperationHelper;
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import org.apache.hadoop.fs.s3a.commit.files.PendingSet;
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import org.apache.hadoop.fs.s3a.commit.files.SinglePendingCommit;
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import org.apache.hadoop.fs.s3a.commit.files.SuccessData;
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import org.apache.hadoop.fs.s3a.impl.InternalConstants;
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import org.apache.hadoop.fs.s3a.s3guard.BulkOperationState;
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import org.apache.hadoop.io.IOUtils;
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import org.apache.hadoop.util.DurationInfo;
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@ -481,6 +483,15 @@ public class CommitOperations {
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if (numParts == 0) {
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numParts = 1;
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}
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if (numParts > InternalConstants.DEFAULT_UPLOAD_PART_COUNT_LIMIT) {
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// fail if the file is too big.
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// it would be possible to be clever here and recalculate the part size,
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// but this is not currently done.
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throw new PathIOException(destPath.toString(),
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String.format("File to upload (size %d)"
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+ " is too big to be uploaded in parts of size %d",
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numParts, length));
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}
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List<PartETag> parts = new ArrayList<>((int) numParts);
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@ -510,7 +521,6 @@ public class CommitOperations {
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return commitData;
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} finally {
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if (threw && uploadId != null) {
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statistics.commitAborted();
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try {
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abortMultipartCommit(destKey, uploadId);
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} catch (IOException e) {
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@ -23,6 +23,8 @@ import java.util.Collections;
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import java.util.HashSet;
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import java.util.Set;
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import com.google.common.annotations.VisibleForTesting;
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import org.apache.hadoop.classification.InterfaceStability;
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import org.apache.hadoop.fs.s3a.Constants;
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@ -93,4 +95,19 @@ public final class InternalConstants {
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/** Directory marker attribute: see HADOOP-16613. Value: {@value}. */
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public static final String X_DIRECTORY =
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"application/x-directory";
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/**
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* A configuration option for test use only: maximum
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* part count on block writes/uploads.
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* Value: {@value}.
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*/
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@VisibleForTesting
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public static final String UPLOAD_PART_COUNT_LIMIT =
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"fs.s3a.internal.upload.part.count.limit";
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/**
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* Maximum entries you can upload in a single file write/copy/upload.
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* Value: {@value}.
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*/
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public static final int DEFAULT_UPLOAD_PART_COUNT_LIMIT = 10000;
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}
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@ -1216,6 +1216,24 @@ a new one than read to the end of a large file.
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Note: the threshold when data is read rather than the stream aborted can be tuned
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by `fs.s3a.readahead.range`; seek policy in `fs.s3a.experimental.input.fadvise`.
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### <a name="upload_failure"></a> `PathIOException` Number of parts in multipart upload exceeded.
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Number of parts in multipart upload exceeded
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```
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org.apache.hadoop.fs.PathIOException: `test/testMultiPartUploadFailure': Number of parts in multipart upload exceeded. Current part count = X, Part count limit = Y
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at org.apache.hadoop.fs.s3a.WriteOperationHelper.newUploadPartRequest(WriteOperationHelper.java:432)
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at org.apache.hadoop.fs.s3a.S3ABlockOutputStream$MultiPartUpload.uploadBlockAsync(S3ABlockOutputStream.java:627)
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at org.apache.hadoop.fs.s3a.S3ABlockOutputStream$MultiPartUpload.access$000(S3ABlockOutputStream.java:532)
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at org.apache.hadoop.fs.s3a.S3ABlockOutputStream.uploadCurrentBlock(S3ABlockOutputStream.java:316)
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at org.apache.hadoop.fs.s3a.S3ABlockOutputStream.write(S3ABlockOutputStream.java:301)
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```
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This is a known issue where upload fails if number of parts
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is more than 10000 (specified by aws SDK). You can configure
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`fs.s3a.multipart.size` to reduce the number of parts.
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### <a name="no_such_bucket"></a> `UnknownStoreException` Bucket does not exist.
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The bucket does not exist.
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@ -18,18 +18,23 @@
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package org.apache.hadoop.fs.s3a;
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import org.apache.hadoop.conf.Configuration;
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import org.apache.hadoop.fs.PathIOException;
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import org.apache.hadoop.fs.s3a.commit.PutTracker;
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import org.apache.hadoop.util.Progressable;
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import org.junit.Before;
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import org.junit.Test;
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import java.io.ByteArrayInputStream;
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import java.io.IOException;
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import java.util.concurrent.ExecutorService;
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|
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import static org.apache.hadoop.test.LambdaTestUtils.intercept;
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import static org.junit.Assert.*;
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import static org.mockito.Mockito.doThrow;
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import static org.mockito.Mockito.mock;
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import static org.mockito.Mockito.spy;
|
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import static org.mockito.Mockito.when;
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|
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/**
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* Unit tests for {@link S3ABlockOutputStream}.
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|
|
@ -57,10 +62,24 @@ public class TestS3ABlockOutputStream extends AbstractS3AMockTest {
|
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public void testFlushNoOpWhenStreamClosed() throws Exception {
|
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doThrow(new IOException()).when(stream).checkOpen();
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try {
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stream.flush();
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} catch (Exception e){
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fail("Should not have any exception.");
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}
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}
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@Test
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public void testWriteOperationHelperPartLimits() throws Throwable {
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S3AFileSystem s3a = mock(S3AFileSystem.class);
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when(s3a.getBucket()).thenReturn("bucket");
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WriteOperationHelper woh = new WriteOperationHelper(s3a,
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new Configuration());
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ByteArrayInputStream inputStream = new ByteArrayInputStream(
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"a".getBytes());
|
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// first one works
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String key = "destKey";
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woh.newUploadPartRequest(key,
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"uploadId", 1, 1024, inputStream, null, 0L);
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// but ask past the limit and a PathIOE is raised
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intercept(PathIOException.class, key,
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() -> woh.newUploadPartRequest(key,
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"uploadId", 50000, 1024, inputStream, null, 0L));
|
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}
|
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}
|
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|
|
|
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|
|
@ -0,0 +1,121 @@
|
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/*
|
||||
* Licensed to the Apache Software Foundation (ASF) under one
|
||||
* or more contributor license agreements. See the NOTICE file
|
||||
* distributed with this work for additional information
|
||||
* regarding copyright ownership. The ASF licenses this file
|
||||
* to you under the Apache License, Version 2.0 (the
|
||||
* "License"); you may not use this file except in compliance
|
||||
* with the License. You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
package org.apache.hadoop.fs.s3a.scale;
|
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|
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import java.io.File;
|
||||
|
||||
import org.assertj.core.api.Assertions;
|
||||
import org.junit.Test;
|
||||
|
||||
import org.apache.commons.io.FileUtils;
|
||||
import org.apache.hadoop.conf.Configuration;
|
||||
import org.apache.hadoop.fs.Path;
|
||||
import org.apache.hadoop.fs.PathIOException;
|
||||
import org.apache.hadoop.fs.s3a.S3AFileSystem;
|
||||
import org.apache.hadoop.fs.s3a.S3AInstrumentation;
|
||||
import org.apache.hadoop.fs.s3a.Statistic;
|
||||
import org.apache.hadoop.fs.s3a.auth.ProgressCounter;
|
||||
import org.apache.hadoop.fs.s3a.commit.CommitOperations;
|
||||
|
||||
import static org.apache.hadoop.fs.contract.ContractTestUtils.createFile;
|
||||
import static org.apache.hadoop.fs.contract.ContractTestUtils.dataset;
|
||||
import static org.apache.hadoop.fs.s3a.Constants.MULTIPART_SIZE;
|
||||
import static org.apache.hadoop.fs.s3a.S3ATestUtils.removeBaseAndBucketOverrides;
|
||||
import static org.apache.hadoop.fs.s3a.impl.InternalConstants.UPLOAD_PART_COUNT_LIMIT;
|
||||
import static org.apache.hadoop.test.LambdaTestUtils.intercept;
|
||||
|
||||
/**
|
||||
* Testing S3 multipart upload for s3.
|
||||
*/
|
||||
public class ITestS3AMultipartUploadSizeLimits extends S3AScaleTestBase {
|
||||
|
||||
public static final int MPU_SIZE = 5 * _1MB;
|
||||
|
||||
@Override
|
||||
protected Configuration createScaleConfiguration() {
|
||||
Configuration configuration = super.createScaleConfiguration();
|
||||
removeBaseAndBucketOverrides(configuration,
|
||||
MULTIPART_SIZE,
|
||||
UPLOAD_PART_COUNT_LIMIT);
|
||||
configuration.setLong(MULTIPART_SIZE, MPU_SIZE);
|
||||
// Setting the part count limit to 2 such that we
|
||||
// failures.
|
||||
configuration.setLong(UPLOAD_PART_COUNT_LIMIT, 2);
|
||||
return configuration;
|
||||
}
|
||||
|
||||
/**
|
||||
* Uploads under the limit are valid.
|
||||
*/
|
||||
@Test
|
||||
public void testTwoPartUpload() throws Throwable {
|
||||
Path file = path(getMethodName());
|
||||
// Creating a file having parts less than configured
|
||||
// part count will succeed.
|
||||
createFile(getFileSystem(), file, true,
|
||||
dataset(6 * _1MB, 'a', 'z' - 'a'));
|
||||
}
|
||||
|
||||
/**
|
||||
* Tests to validate that exception is thrown during a
|
||||
* multi part upload when the number of parts is greater
|
||||
* than the allowed limit.
|
||||
*/
|
||||
@Test
|
||||
public void testUploadOverLimitFailure() throws Throwable {
|
||||
S3AFileSystem fs = getFileSystem();
|
||||
Path file = path(getMethodName());
|
||||
// Creating a file with more than configured part count should
|
||||
// throw a PathIOE
|
||||
intercept(PathIOException.class,
|
||||
() -> createFile(fs,
|
||||
file,
|
||||
false,
|
||||
dataset(15 * _1MB, 'a', 'z' - 'a')));
|
||||
// and the path does not exist
|
||||
assertPathDoesNotExist("upload must not have completed", file);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testCommitLimitFailure() throws Throwable {
|
||||
describe("verify commit uploads fail-safe when MPU limits exceeded");
|
||||
S3AFileSystem fs = getFileSystem();
|
||||
CommitOperations actions = new CommitOperations(fs);
|
||||
File tempFile = File.createTempFile("commit", ".txt");
|
||||
FileUtils.writeByteArrayToFile(tempFile,
|
||||
dataset(15 * _1MB, 'a', 'z' - 'a'));
|
||||
Path dest = methodPath();
|
||||
final S3AInstrumentation instrumentation = fs.getInstrumentation();
|
||||
final long initial = instrumentation.getCounterValue(
|
||||
Statistic.COMMITTER_COMMITS_ABORTED);
|
||||
|
||||
intercept(PathIOException.class, () ->
|
||||
actions.uploadFileToPendingCommit(tempFile,
|
||||
dest,
|
||||
null,
|
||||
MPU_SIZE,
|
||||
new ProgressCounter()));
|
||||
assertPathDoesNotExist("upload must not have completed", dest);
|
||||
final long after = instrumentation.getCounterValue(
|
||||
Statistic.COMMITTER_COMMITS_ABORTED);
|
||||
Assertions.assertThat(after).
|
||||
describedAs("commit abort count")
|
||||
.isEqualTo(initial + 1);
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue