use of com.yahoo.document.BucketIdFactory in project vespa by vespa-engine.
the class MessageBusVisitorSession method createVisitingProgress.
private VisitingProgress createVisitingProgress(VisitorParameters params) throws ParseException {
ProgressToken progressToken;
if (params.getResumeToken() != null) {
progressToken = params.getResumeToken();
} else {
progressToken = new ProgressToken();
}
VisitorIterator visitorIterator;
if (params.getBucketsToVisit() == null || params.getBucketsToVisit().isEmpty()) {
// Use 1 distribution bit as a starting point. This will almost certainly
// trigger a ERROR_WRONG_DISTRIBUTION reply immediately, meaning that we'll
// get a fresh system state from the start. Since no buckets should ever
// return with a OK result in such a case, we recognize this as a special
// case in the iterator and simply reset its entire internal state using
// the new db count rather than doing any splitting.
BucketIdFactory bucketIdFactory = new BucketIdFactory();
visitorIterator = VisitorIterator.createFromDocumentSelection(params.getDocumentSelection(), bucketIdFactory, 1, progressToken);
} else {
if (log.isLoggable(LogLevel.DEBUG)) {
log.log(LogLevel.DEBUG, "parameters specify explicit bucket set " + "to visit; using it rather than document selection (" + params.getBucketsToVisit().size() + " buckets given)");
}
// Allow override of target buckets iff an explicit set of buckets
// to visit is given by the visitor parameters. This was primarily
// used for the defunct synchronization functionality, but since it's
// so easy to support, don't deprecate it just yet.
visitorIterator = VisitorIterator.createFromExplicitBucketSet(params.getBucketsToVisit(), 1, progressToken);
}
return new VisitingProgress(visitorIterator, progressToken);
}
use of com.yahoo.document.BucketIdFactory in project vespa by vespa-engine.
the class VisitorIteratorTestCase method testIterationSingleBucketUpdate.
public void testIterationSingleBucketUpdate() throws ParseException {
BucketIdFactory idFactory = new BucketIdFactory();
ProgressToken progress = new ProgressToken();
VisitorIterator iter = VisitorIterator.createFromDocumentSelection("id.user = 1234", idFactory, 1, progress);
assertFalse(progress.hasActive());
assertEquals(progress.getPendingBucketCount(), 1);
assertEquals(progress.getFinishedBucketCount(), 0);
assertEquals(progress.getTotalBucketCount(), 1);
assertFalse(iter.isDone());
assertTrue(iter.hasNext());
assertEquals(iter.getRemainingBucketCount(), 1);
VisitorIterator.BucketProgress b1 = iter.getNext();
// Upon first getNext of a superbucket, progress == 0
assertEquals(b1.getSuperbucket(), new BucketId(32, 1234));
assertEquals(b1.getProgress(), new BucketId());
assertFalse(iter.hasNext());
assertFalse(iter.isDone());
assertEquals(iter.getRemainingBucketCount(), 1);
// Should only be one active bucket; the one we just got
assertEquals(progress.getActiveBucketCount(), 1);
// No pending yet
assertFalse(progress.hasPending());
// Update the bucket with a sub-bucket, moving it from active to pending
BucketId sub = new BucketId(b1.getSuperbucket().getUsedBits() + 1, b1.getSuperbucket().getId());
iter.update(b1.getSuperbucket(), sub);
assertFalse(progress.hasActive());
assertEquals(progress.getPendingBucketCount(), 1);
assertTrue(iter.hasNext());
assertFalse(iter.isDone());
assertEquals(iter.getRemainingBucketCount(), 1);
// Get the pending bucket
VisitorIterator.BucketProgress b2 = iter.getNext();
assertEquals(b2.getSuperbucket(), new BucketId(32, 1234));
assertEquals(b2.getProgress(), new BucketId(33, 1234));
assertFalse(iter.hasNext());
assertEquals(progress.getActiveBucketCount(), 1);
assertFalse(progress.hasPending());
// Now update with progress==super, signalling that the bucket is done
iter.update(b1.getSuperbucket(), ProgressToken.FINISHED_BUCKET);
assertFalse(progress.hasActive());
assertFalse(progress.hasPending());
assertFalse(iter.hasNext());
assertTrue(iter.isDone());
assertTrue(progress.isFinished());
assertEquals(progress.getFinishedBucketCount(), 1);
assertEquals(iter.getRemainingBucketCount(), 0);
}
use of com.yahoo.document.BucketIdFactory in project vespa by vespa-engine.
the class VisitorIteratorTestCase method testImportProgressWithOutdatedDistribution.
public void testImportProgressWithOutdatedDistribution() throws ParseException {
String input = "VDS bucket progress file\n" + "10\n" + "503\n" + "500\n" + "1024\n" + "28000000000000be:0\n" + "28000000000002be:0\n" + "28000000000001be:0\n";
int db = 12;
BucketIdFactory idFactory = new BucketIdFactory();
ProgressToken p = new ProgressToken(input);
assertEquals(10, p.getDistributionBitCount());
VisitorIterator iter = VisitorIterator.createFromDocumentSelection("id.group != \"yahoo.com\"", idFactory, 1, p);
iter.setDistributionBitCount(12);
assertEquals(iter.getDistributionBitCount(), 12);
assertEquals(p.getDistributionBitCount(), 12);
assertEquals(iter.getBucketSource().getDistributionBitCount(), 12);
assertEquals(p.getTotalBucketCount(), 1 << 12);
assertEquals(p.getFinishedBucketCount(), 500 << 2);
assertEquals(p.getPendingBucketCount(), 3 << 2);
assertEquals(p.getActiveBucketCount(), 0);
assertEquals(p.getBucketCursor(), 503 << 2);
assertTrue(iter.hasNext());
ProgressToken p2 = new ProgressToken(p.serialize());
assertEquals(p2.getDistributionBitCount(), 12);
assertEquals(p2.getTotalBucketCount(), 1 << 12);
assertEquals(p2.getFinishedBucketCount(), 500 << 2);
assertEquals(p2.getPendingBucketCount(), 3 << 2);
assertEquals(p2.getActiveBucketCount(), 0);
assertEquals(p2.getBucketCursor(), 503 << 2);
}
use of com.yahoo.document.BucketIdFactory in project vespa by vespa-engine.
the class VisitorIteratorTestCase method testActiveUpdate.
/**
* Test that doing update() on a bucket several times in a row (without re-fetching
* from getNext first) works
* @throws ParseException
*/
public void testActiveUpdate() throws ParseException {
BucketIdFactory idFactory = new BucketIdFactory();
ProgressToken progress = new ProgressToken();
VisitorIterator iter = VisitorIterator.createFromDocumentSelection("id.group = \"yahoo.com\"", idFactory, 16, progress);
VisitorIterator.BucketProgress bp = iter.getNext();
assertEquals(progress.getPendingBucketCount(), 0);
assertEquals(progress.getActiveBucketCount(), 1);
BucketId superbucket = bp.getSuperbucket();
int usedBits = superbucket.getUsedBits();
iter.update(superbucket, new BucketId(usedBits + 2, superbucket.getId() | (2L << usedBits)));
assertEquals(progress.getPendingBucketCount(), 1);
assertEquals(progress.getActiveBucketCount(), 0);
iter.update(superbucket, new BucketId(usedBits + 2, superbucket.getId() | (1L << usedBits)));
assertEquals(progress.getPendingBucketCount(), 1);
assertEquals(progress.getActiveBucketCount(), 0);
bp = iter.getNext();
assertEquals(bp.getSuperbucket(), superbucket);
assertEquals(bp.getProgress(), new BucketId(usedBits + 2, superbucket.getId() | (1L << usedBits)));
assertEquals(progress.getPendingBucketCount(), 0);
assertEquals(progress.getActiveBucketCount(), 1);
}
use of com.yahoo.document.BucketIdFactory in project vespa by vespa-engine.
the class VisitorIteratorTestCase method testRangeDistributionBitIncreaseDecrease.
// Test that splitting and merging from and to the same db count gives
// back the initial state
public void testRangeDistributionBitIncreaseDecrease() throws ParseException {
int db = 16;
BucketIdFactory idFactory = new BucketIdFactory();
ProgressToken p = new ProgressToken();
VisitorIterator iter = VisitorIterator.createFromDocumentSelection("id.group != \"yahoo.com\"", idFactory, db, p);
VisitorIterator.DistributionRangeBucketSource src = (VisitorIterator.DistributionRangeBucketSource) iter.getBucketSource();
assertTrue(src.isLosslessResetPossible());
// "Sabotage" resetting by having at least 1 finished
iter.update(iter.getNext().getSuperbucket(), ProgressToken.FINISHED_BUCKET);
VisitorIterator.BucketProgress[] bpp = new VisitorIterator.BucketProgress[4];
for (int i = 0; i < 4; ++i) {
bpp[i] = iter.getNext();
}
for (int i = 0; i < 4; ++i) {
iter.update(bpp[i].getSuperbucket(), new BucketId());
}
assertFalse(src.isLosslessResetPossible());
iter.setDistributionBitCount(20);
assertEquals(p.getDistributionBitCount(), 20);
assertEquals(p.getPendingBucketCount(), 4 << 4);
assertFalse(iter.getBucketSource().shouldYield());
assertEquals(p.getBucketCursor(), 5 << 4);
iter.setDistributionBitCount(16);
assertEquals(p.getDistributionBitCount(), 16);
assertEquals(p.getPendingBucketCount(), 4);
assertFalse(iter.getBucketSource().shouldYield());
assertEquals(p.getBucketCursor(), 5);
}
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