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Example 41 with RecordCursorResult

use of com.apple.foundationdb.record.RecordCursorResult in project fdb-record-layer by FoundationDB.

the class IndexingMultiTargetByRecords method rebuildRangeOnly.

@Nonnull
private CompletableFuture<Tuple> rebuildRangeOnly(@Nonnull FDBRecordStore store, Tuple cont, @Nonnull AtomicLong recordsScanned) {
    validateSameMetadataOrThrow(store);
    final boolean isIdempotent = areTheyAllIdempotent(store, common.getTargetIndexes());
    final IsolationLevel isolationLevel = isIdempotent ? IsolationLevel.SNAPSHOT : IsolationLevel.SERIALIZABLE;
    final ExecuteProperties.Builder executeProperties = ExecuteProperties.newBuilder().setIsolationLevel(isolationLevel);
    final ScanProperties scanProperties = new ScanProperties(executeProperties.build());
    final TupleRange tupleRange = TupleRange.between(cont, null);
    RecordCursor<FDBStoredRecord<Message>> cursor = store.scanRecords(tupleRange, null, scanProperties);
    final AtomicReference<RecordCursorResult<FDBStoredRecord<Message>>> lastResult = new AtomicReference<>(RecordCursorResult.exhausted());
    final AtomicBoolean hasMore = new AtomicBoolean(true);
    return iterateRangeOnly(store, cursor, this::getRecordIfTypeMatch, lastResult, hasMore, recordsScanned, isIdempotent).thenApply(vignore -> hasMore.get() ? lastResult.get().get().getPrimaryKey() : null);
}
Also used : IsolationLevel(com.apple.foundationdb.record.IsolationLevel) Message(com.google.protobuf.Message) RecordCursorResult(com.apple.foundationdb.record.RecordCursorResult) AtomicReference(java.util.concurrent.atomic.AtomicReference) ExecuteProperties(com.apple.foundationdb.record.ExecuteProperties) AtomicBoolean(java.util.concurrent.atomic.AtomicBoolean) ScanProperties(com.apple.foundationdb.record.ScanProperties) TupleRange(com.apple.foundationdb.record.TupleRange) Nonnull(javax.annotation.Nonnull)

Example 42 with RecordCursorResult

use of com.apple.foundationdb.record.RecordCursorResult in project fdb-record-layer by FoundationDB.

the class IndexingScrubDangling method scrubIndexRangeOnly.

@Nonnull
private CompletableFuture<Boolean> scrubIndexRangeOnly(@Nonnull FDBRecordStore store, byte[] startBytes, byte[] endBytes, @Nonnull AtomicLong recordsScanned) {
    // return false when done
    Index index = common.getIndex();
    final RecordMetaData metaData = store.getRecordMetaData();
    final RecordMetaDataProvider recordMetaDataProvider = common.getRecordStoreBuilder().getMetaDataProvider();
    if (recordMetaDataProvider == null || !metaData.equals(recordMetaDataProvider.getRecordMetaData())) {
        throw new MetaDataException("Store does not have the same metadata");
    }
    final IndexMaintainer maintainer = store.getIndexMaintainer(index);
    // scrubbing only readable, VALUE, idempotence indexes (at least for now)
    validateOrThrowEx(maintainer.isIdempotent(), "scrubbed index is not idempotent");
    validateOrThrowEx(index.getType().equals(IndexTypes.VALUE) || scrubbingPolicy.ignoreIndexTypeCheck(), "scrubbed index is not a VALUE index");
    validateOrThrowEx(store.getIndexState(index) == IndexState.READABLE, "scrubbed index is not readable");
    RangeSet rangeSet = new RangeSet(indexScrubIndexRangeSubspace(store, index));
    AsyncIterator<Range> ranges = rangeSet.missingRanges(store.ensureContextActive(), startBytes, endBytes).iterator();
    final ExecuteProperties.Builder executeProperties = ExecuteProperties.newBuilder().setIsolationLevel(IsolationLevel.SNAPSHOT).setReturnedRowLimit(// always respectLimit in this path; +1 allows a continuation item
    getLimit() + 1);
    final ScanProperties scanProperties = new ScanProperties(executeProperties.build());
    return ranges.onHasNext().thenCompose(hasNext -> {
        if (Boolean.FALSE.equals(hasNext)) {
            // Here: no more missing ranges - all done
            // To avoid stale metadata, we'll keep the scrubbed-ranges indicator empty until the next scrub call.
            Transaction tr = store.getContext().ensureActive();
            tr.clear(indexScrubIndexRangeSubspace(store, index).range());
            return AsyncUtil.READY_FALSE;
        }
        final Range range = ranges.next();
        final Tuple rangeStart = RangeSet.isFirstKey(range.begin) ? null : Tuple.fromBytes(range.begin);
        final Tuple rangeEnd = RangeSet.isFinalKey(range.end) ? null : Tuple.fromBytes(range.end);
        final TupleRange tupleRange = TupleRange.between(rangeStart, rangeEnd);
        RecordCursor<FDBIndexedRecord<Message>> cursor = store.scanIndexRecords(index.getName(), IndexScanType.BY_VALUE, tupleRange, null, IndexOrphanBehavior.RETURN, scanProperties);
        final AtomicBoolean hasMore = new AtomicBoolean(true);
        final AtomicReference<RecordCursorResult<FDBIndexedRecord<Message>>> lastResult = new AtomicReference<>(RecordCursorResult.exhausted());
        final long scanLimit = scrubbingPolicy.getEntriesScanLimit();
        return iterateRangeOnly(store, cursor, this::deleteIndexIfDangling, lastResult, hasMore, recordsScanned, true).thenApply(vignore -> hasMore.get() ? lastResult.get().get().getIndexEntry().getKey() : rangeEnd).thenCompose(cont -> rangeSet.insertRange(store.ensureContextActive(), packOrNull(rangeStart), packOrNull(cont), true).thenApply(ignore -> {
            if (scanLimit > 0) {
                scanCounter += recordsScanned.get();
                if (scanLimit <= scanCounter) {
                    return false;
                }
            }
            return !Objects.equals(cont, rangeEnd);
        }));
    });
}
Also used : IndexEntry(com.apple.foundationdb.record.IndexEntry) RecordMetaData(com.apple.foundationdb.record.RecordMetaData) Arrays(java.util.Arrays) LogMessageKeys(com.apple.foundationdb.record.logging.LogMessageKeys) LoggerFactory(org.slf4j.LoggerFactory) AsyncIterator(com.apple.foundationdb.async.AsyncIterator) AtomicBoolean(java.util.concurrent.atomic.AtomicBoolean) CompletableFuture(java.util.concurrent.CompletableFuture) AsyncUtil(com.apple.foundationdb.async.AsyncUtil) MetaDataException(com.apple.foundationdb.record.metadata.MetaDataException) RangeSet(com.apple.foundationdb.async.RangeSet) AtomicReference(java.util.concurrent.atomic.AtomicReference) Subspace(com.apple.foundationdb.subspace.Subspace) Transaction(com.apple.foundationdb.Transaction) ExecuteProperties(com.apple.foundationdb.record.ExecuteProperties) IndexScanType(com.apple.foundationdb.record.IndexScanType) Tuple(com.apple.foundationdb.tuple.Tuple) Range(com.apple.foundationdb.Range) RecordCursorResult(com.apple.foundationdb.record.RecordCursorResult) KeyValueLogMessage(com.apple.foundationdb.record.logging.KeyValueLogMessage) ScanProperties(com.apple.foundationdb.record.ScanProperties) IndexBuildProto(com.apple.foundationdb.record.IndexBuildProto) Nonnull(javax.annotation.Nonnull) Nullable(javax.annotation.Nullable) IsolationLevel(com.apple.foundationdb.record.IsolationLevel) Logger(org.slf4j.Logger) IndexState(com.apple.foundationdb.record.IndexState) TupleRange(com.apple.foundationdb.record.TupleRange) Objects(java.util.Objects) AtomicLong(java.util.concurrent.atomic.AtomicLong) List(java.util.List) RecordMetaDataProvider(com.apple.foundationdb.record.RecordMetaDataProvider) Index(com.apple.foundationdb.record.metadata.Index) Message(com.google.protobuf.Message) RecordCursor(com.apple.foundationdb.record.RecordCursor) IndexTypes(com.apple.foundationdb.record.metadata.IndexTypes) API(com.apple.foundationdb.annotation.API) RecordMetaData(com.apple.foundationdb.record.RecordMetaData) KeyValueLogMessage(com.apple.foundationdb.record.logging.KeyValueLogMessage) Message(com.google.protobuf.Message) RecordMetaDataProvider(com.apple.foundationdb.record.RecordMetaDataProvider) RangeSet(com.apple.foundationdb.async.RangeSet) Index(com.apple.foundationdb.record.metadata.Index) RecordCursorResult(com.apple.foundationdb.record.RecordCursorResult) AtomicReference(java.util.concurrent.atomic.AtomicReference) Range(com.apple.foundationdb.Range) TupleRange(com.apple.foundationdb.record.TupleRange) MetaDataException(com.apple.foundationdb.record.metadata.MetaDataException) ExecuteProperties(com.apple.foundationdb.record.ExecuteProperties) AtomicBoolean(java.util.concurrent.atomic.AtomicBoolean) Transaction(com.apple.foundationdb.Transaction) ScanProperties(com.apple.foundationdb.record.ScanProperties) TupleRange(com.apple.foundationdb.record.TupleRange) Tuple(com.apple.foundationdb.tuple.Tuple) Nonnull(javax.annotation.Nonnull)

Aggregations

RecordCursorResult (com.apple.foundationdb.record.RecordCursorResult)42 RecordCursor (com.apple.foundationdb.record.RecordCursor)35 List (java.util.List)33 Nonnull (javax.annotation.Nonnull)31 Arrays (java.util.Arrays)30 Message (com.google.protobuf.Message)28 Collections (java.util.Collections)28 Test (org.junit.jupiter.api.Test)28 Assertions.assertEquals (org.junit.jupiter.api.Assertions.assertEquals)27 ExecuteProperties (com.apple.foundationdb.record.ExecuteProperties)25 Collectors (java.util.stream.Collectors)25 Index (com.apple.foundationdb.record.metadata.Index)24 Function (java.util.function.Function)23 ScanProperties (com.apple.foundationdb.record.ScanProperties)21 Tags (com.apple.test.Tags)21 ArrayList (java.util.ArrayList)21 MatcherAssert.assertThat (org.hamcrest.MatcherAssert.assertThat)21 Tag (org.junit.jupiter.api.Tag)21 CompletableFuture (java.util.concurrent.CompletableFuture)20 TupleRange (com.apple.foundationdb.record.TupleRange)18