Package org.apache.cassandra.db.commitlog

Examples of org.apache.cassandra.db.commitlog.ReplayPosition$ReplayPositionSerializer

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            {
                compactionLock.writeLock().lock();

                try
                {
                    ReplayPosition replayAfter = main.discardSSTables(truncatedAt);

                    for (SecondaryIndex index : main.indexManager.getIndexes())
                        index.truncate(truncatedAt);

                    SystemTable.saveTruncationPosition(main, replayAfter);
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        public SSTableMetadata deserialize(DataInputStream dis, Descriptor desc) throws IOException
        {
            EstimatedHistogram rowSizes = EstimatedHistogram.serializer.deserialize(dis);
            EstimatedHistogram columnCounts = EstimatedHistogram.serializer.deserialize(dis);
            ReplayPosition replayPosition = desc.version.metadataIncludesReplayPosition
                                          ? ReplayPosition.serializer.deserialize(dis)
                                          : ReplayPosition.NONE;
            if (!desc.version.metadataIncludesModernReplayPosition)
            {
                // replay position may be "from the future" thanks to older versions generating them with nanotime.
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                logger.debug("memtable is already frozen; another thread must be flushing it");
                return null;
            }

            assert getMemtableThreadSafe() == oldMemtable;
            final ReplayPosition ctx = writeCommitLog ? CommitLog.instance.getContext() : ReplayPosition.NONE;
            logger.debug("flush position is {}", ctx);

            // submit the memtable for any indexed sub-cfses, and our own.
            final List<ColumnFamilyStore> icc = new ArrayList<ColumnFamilyStore>();
            // don't assume that this.memtable is dirty; forceFlush can bring us here during index build even if it is not
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        // "waitForActiveFlushes" after the new segment has been created.
        logger.debug("truncating {}", columnFamily);
        // flush the CF being truncated before forcing the new segment
        forceBlockingFlush();
        CommitLog.instance.forceNewSegment();
        ReplayPosition position = CommitLog.instance.getContext();
        // now flush everyone else.  re-flushing ourselves is not necessary, but harmless
        for (ColumnFamilyStore cfs : ColumnFamilyStore.all())
            cfs.forceFlush();
        waitForActiveFlushes();
        // if everything was clean, flush won't have called discard
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                                 sstableMetadataCollector);
    }

    public SSTableWriter createCompactionWriter(long estimatedRows, String location, Collection<SSTableReader> sstables) throws IOException
    {
        ReplayPosition rp = ReplayPosition.getReplayPosition(sstables);
        SSTableMetadata.Collector sstableMetadataCollector = SSTableMetadata.createCollector().replayPosition(rp);

        // get the max timestamp of the precompacted sstables
        for (SSTableReader sstable : sstables)
            sstableMetadataCollector.updateMaxTimestamp(sstable.getMaxTimestamp());
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            new long[] { 1L, 2L },
            new long[] { 3L, 4L, 5L });
        EstimatedHistogram columnCounts = new EstimatedHistogram(
            new long[] { 6L, 7L },
            new long[] { 8L, 9L, 10L });
        ReplayPosition rp = new ReplayPosition(11L, 12);
        long maxTimestamp = 4162517136L;

        SSTableMetadata.Collector collector = SSTableMetadata.createCollector()
                                                             .estimatedRowSize(rowSizes)
                                                             .estimatedColumnCount(columnCounts)
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            new long[] { 1L, 2L },
            new long[] { 3L, 4L, 5L });
        EstimatedHistogram columnCounts = new EstimatedHistogram(
            new long[] { 6L, 7L },
            new long[] { 8L, 9L, 10L });
        ReplayPosition rp = new ReplayPosition(11L, 12);
        long minTimestamp = 2162517136L;
        long maxTimestamp = 4162517136L;

        SSTableMetadata.Collector collector = SSTableMetadata.createCollector()
                                                             .estimatedRowSize(rowSizes)
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        return intern(name);
    }

    public SSTableWriter createCompactionWriter(long estimatedRows, File location, Collection<SSTableReader> sstables)
    {
        ReplayPosition rp = ReplayPosition.getReplayPosition(sstables);
        SSTableMetadata.Collector sstableMetadataCollector = SSTableMetadata.createCollector().replayPosition(rp);

        // Get the max timestamp of the precompacted sstables
        // and adds generation of live ancestors
        for (SSTableReader sstable : sstables)
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        {
            try (DataInputStream in = new DataInputStream(new BufferedInputStream(new FileInputStream(statsFile))))
            {
                EstimatedHistogram rowSizes = EstimatedHistogram.serializer.deserialize(in);
                EstimatedHistogram columnCounts = EstimatedHistogram.serializer.deserialize(in);
                ReplayPosition replayPosition = ReplayPosition.serializer.deserialize(in);
                long minTimestamp = in.readLong();
                long maxTimestamp = in.readLong();
                int maxLocalDeletionTime = descriptor.version.tracksMaxLocalDeletionTime ? in.readInt() : Integer.MAX_VALUE;
                double bloomFilterFPChance = descriptor.version.hasBloomFilterFPChance ? in.readDouble() : NO_BLOOM_FILTER_FP_CHANCE;
                double compressionRatio = in.readDouble();
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        public StatsMetadata deserialize(Descriptor.Version version, DataInput in) throws IOException
        {
            EstimatedHistogram rowSizes = EstimatedHistogram.serializer.deserialize(in);
            EstimatedHistogram columnCounts = EstimatedHistogram.serializer.deserialize(in);
            ReplayPosition replayPosition = ReplayPosition.serializer.deserialize(in);
            long minTimestamp = in.readLong();
            long maxTimestamp = in.readLong();
            int maxLocalDeletionTime = version.tracksMaxLocalDeletionTime ? in.readInt() : Integer.MAX_VALUE;
            double compressionRatio = in.readDouble();
            StreamingHistogram tombstoneHistogram = StreamingHistogram.serializer.deserialize(in);
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Related Classes of org.apache.cassandra.db.commitlog.ReplayPosition$ReplayPositionSerializer

  • org.apache.cassandra.db.ColumnFamilyStore
  • org.apache.cassandra.db.ColumnFamilyStore$Flush
  • org.apache.cassandra.db.CommitLogTest
  • org.apache.cassandra.db.compaction.CompactionManager
  • org.apache.cassandra.db.Keyspace
  • org.apache.cassandra.db.Memtable
  • org.apache.cassandra.io.sstable.metadata.LegacyMetadataSerializer
  • org.apache.cassandra.io.sstable.metadata.MetadataSerializerTest
  • org.apache.cassandra.io.sstable.metadata.StatsMetadata$StatsMetadataSerializer
  • org.apache.cassandra.io.sstable.SSTableMetadata$SSTableMetadataSerializer
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