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Make S3DataSegmentMover not bother checking for items if they are the same (#3032) 

* Make S3DataSegmentMover not bother checking for items if they are the same
This commit is contained in:
Charles Allen 2016-06-02 09:27:21 -07:00 committed by Xavier Léauté
parent d552a5c034
commit 447033985e
2 changed files with 89 additions and 41 deletions
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12
extensions-core/s3-extensions/src/main/java/io/druid/storage/s3/S3DataSegmentMover.java
View File

@ -118,10 +118,11 @@ public class S3DataSegmentMover implements DataSegmentMover
@Override
public Void call() throws Exception
{
if (s3Client.isObjectInBucket(s3Bucket, s3Path)) {
if (s3Bucket.equals(targetS3Bucket) && s3Path.equals(targetS3Path)) {
log.info("No need to move file[s3://%s/%s] onto itself", s3Bucket, s3Path);
} else {
return null;
}
if (s3Client.isObjectInBucket(s3Bucket, s3Path)) {
final S3Object[] list = s3Client.listObjects(s3Bucket, s3Path, "");
if (list.length == 0) {
// should never happen
@ -145,7 +146,6 @@ public class S3DataSegmentMover implements DataSegmentMover
}
s3Client.moveObject(s3Bucket, s3Path, targetS3Bucket, target, false);
}
}
} else {
// ensure object exists in target location
if (s3Client.isObjectInBucket(targetS3Bucket, targetS3Path)) {
@ -157,8 +157,10 @@ public class S3DataSegmentMover implements DataSegmentMover
} else {
throw new SegmentLoadingException(
"Unable to move file [s3://%s/%s] to [s3://%s/%s], not present in either source or target location",
s3Bucket, s3Path,
targetS3Bucket, targetS3Path
s3Bucket,
s3Path,
targetS3Bucket,
targetS3Path
);
}
}

46
extensions-core/s3-extensions/src/test/java/io/druid/storage/s3/S3DataSegmentMoverTest.java
View File

@ -111,6 +111,52 @@ public class S3DataSegmentMoverTest
);
}
@Test
public void testIgnoresGoneButAlreadyMoved() throws Exception
{
MockStorageService mockS3Client = new MockStorageService();
S3DataSegmentMover mover = new S3DataSegmentMover(mockS3Client, new S3DataSegmentPusherConfig());
mover.move(new DataSegment(
"test",
new Interval("2013-01-01/2013-01-02"),
"1",
ImmutableMap.<String, Object>of(
"key",
"baseKey/test/2013-01-01T00:00:00.000Z_2013-01-02T00:00:00.000Z/1/0/index.zip",
"bucket",
"DOES NOT EXIST"
),
ImmutableList.of("dim1", "dim1"),
ImmutableList.of("metric1", "metric2"),
new NoneShardSpec(),
0,
1
), ImmutableMap.<String, Object>of("bucket", "DOES NOT EXIST", "baseKey", "baseKey"));
}
@Test(expected = SegmentLoadingException.class)
public void testFailsToMoveMissing() throws Exception
{
MockStorageService mockS3Client = new MockStorageService();
S3DataSegmentMover mover = new S3DataSegmentMover(mockS3Client, new S3DataSegmentPusherConfig());
mover.move(new DataSegment(
"test",
new Interval("2013-01-01/2013-01-02"),
"1",
ImmutableMap.<String, Object>of(
"key",
"baseKey/test/2013-01-01T00:00:00.000Z_2013-01-02T00:00:00.000Z/1/0/index.zip",
"bucket",
"DOES NOT EXIST"
),
ImmutableList.of("dim1", "dim1"),
ImmutableList.of("metric1", "metric2"),
new NoneShardSpec(),
0,
1
), ImmutableMap.<String, Object>of("bucket", "DOES NOT EXIST", "baseKey", "baseKey2"));
}
private class MockStorageService extends RestS3Service {
Map<String, Set<String>> storage = Maps.newHashMap();
boolean moved = false;