@Test
@Category(IntegrationTest.class)
public void testGetOneWorker() throws Exception {
// find a small enough tile bounds to 4 tiles
TileBounds tb = new TileBounds(2764, 1365, 2765, 1366);
Bounds bounds = TMSUtils.tileToBounds(tb, zoomLevel, tileSize);
TiledInputFormatContext ifContext =
new TiledInputFormatContext(
zoomLevel,
tileSize,
new HashSet<String>(),
bounds.convertNewToOldBounds(),
new Properties());
ifContext.save(conf);
int numWorkers = CostDistanceWorkersConfiguration.getNumWorkers(metadata, conf);
Assert.assertEquals(1, numWorkers);
}
@Test(expected = IllegalArgumentException.class)
@Category(IntegrationTest.class)
public void testMoreWorkersThanMapSlots() throws Exception {
HadoopUtils.setupLocalRunner(conf);
// find a large enough tile bounds
TileBounds tb = new TileBounds(2764, 1365, 2878, 1479);
Bounds bounds = TMSUtils.tileToBounds(tb, zoomLevel, tileSize);
TiledInputFormatContext ifContext =
new TiledInputFormatContext(
zoomLevel,
tileSize,
new HashSet<String>(),
bounds.convertNewToOldBounds(),
new Properties());
ifContext.save(conf);
CostDistanceWorkersConfiguration.getNumWorkers(metadata, conf);
}
/** Sub-classes that override this method must call super.setupJob(job). */
@Override
public Configuration setupSparkJob(Configuration conf, MrsImageDataProvider provider)
throws DataProviderException {
try {
Configuration conf1 = provider.setupSparkJob(conf);
Job job = new Job(conf1);
setupConfig(job, provider);
return job.getConfiguration();
} catch (IOException e) {
throw new DataProviderException(
"Failure configuring map/reduce job " + context.toString(), e);
}
}
@Test
@Category(IntegrationTest.class)
public void testHardCodedWorkers() throws Exception {
final int numExpectedWorkers = 5;
MrGeoProperties.getInstance().setProperty("giraph.workers", String.valueOf(numExpectedWorkers));
// find a large enough tile bounds
TileBounds tb = new TileBounds(2764, 1365, 2878, 1479);
Bounds bounds = TMSUtils.tileToBounds(tb, zoomLevel, tileSize);
TiledInputFormatContext ifContext =
new TiledInputFormatContext(
zoomLevel,
tileSize,
new HashSet<String>(),
bounds.convertNewToOldBounds(),
new Properties());
ifContext.save(conf);
int numWorkers = CostDistanceWorkersConfiguration.getNumWorkers(metadata, conf);
Assert.assertEquals(numExpectedWorkers, numWorkers);
MrGeoProperties.getInstance().remove("giraph.workers");
}
// tests that numTiles is correctly computed - I had an off-by-one error due to assuming that
// boundsToTile returns tile boundaries where the upper right is exclusive instead of inclusive
@Test
@Category(IntegrationTest.class)
public void testNumTiles() throws Exception {
conf.set("mapred.child.java.opts", "-Xmx2048M");
conf.setInt("io.sort.mb", 100);
// find a large enough tile bounds
TileBounds tb = new TileBounds(50, 100, 1000, 100);
Bounds bounds = TMSUtils.tileToBounds(tb, zoomLevel, tileSize);
TiledInputFormatContext ifContext =
new TiledInputFormatContext(
zoomLevel,
tileSize,
new HashSet<String>(),
bounds.convertNewToOldBounds(),
new Properties());
ifContext.save(conf);
int numWorkers =
CostDistanceWorkersConfiguration.getNumWorkers(
metadata, conf, false /* disable map slots check */);
Assert.assertEquals(4, numWorkers);
}
private void setupConfig(final Job job, final MrsImageDataProvider provider)
throws DataProviderException {
try {
Configuration conf = job.getConfiguration();
DataProviderFactory.saveProviderPropertiesToConfig(provider.getProviderProperties(), conf);
context.save(conf);
// Add the input pyramid metadata to the job configuration
for (final String input : context.getInputs()) {
MrsImagePyramid pyramid;
try {
pyramid = MrsImagePyramid.open(input, context.getProviderProperties());
} catch (IOException e) {
throw new DataProviderException("Failure opening input image pyramid: " + input, e);
}
final MrsImagePyramidMetadata metadata = pyramid.getMetadata();
log.debug(
"In HadoopUtils.setupMrsPyramidInputFormat, loading pyramid for "
+ input
+ " pyramid instance is "
+ pyramid
+ " metadata instance is "
+ metadata);
String image = metadata.getName(context.getZoomLevel());
// if we don't have this zoom level, use the max, then we'll decimate/subsample that one
if (image == null) {
log.error(
"Could not get image in setupMrsPyramidInputFormat at zoom level "
+ context.getZoomLevel()
+ " for "
+ pyramid);
image = metadata.getName(metadata.getMaxZoomLevel());
}
HadoopUtils.setMetadata(conf, metadata);
}
} catch (IOException e) {
throw new DataProviderException(
"Failure configuring map/reduce job " + context.toString(), e);
}
}