Package org.apache.cassandra.db.commitlog

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

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        for (int i = 0 ; i < 5 ; i++)
            CommitLog.instance.add(rm2);

        Assert.assertEquals(2, CommitLog.instance.activeSegments());
        ReplayPosition position = CommitLog.instance.getContext();
        for (Keyspace ks : Keyspace.system())
            for (ColumnFamilyStore syscfs : ks.getColumnFamilyStores())
                CommitLog.instance.discardCompletedSegments(syscfs.metadata.cfId, position);
        CommitLog.instance.discardCompletedSegments(cfs2.metadata.cfId, position);
        Assert.assertEquals(1, CommitLog.instance.activeSegments());
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    public void apply(Mutation mutation, boolean writeCommitLog, boolean updateIndexes)
    {
        try (OpOrder.Group opGroup = writeOrder.start())
        {
            // write the mutation to the commitlog and memtables
            final ReplayPosition replayPosition;
            if (writeCommitLog)
            {
                Tracing.trace("Appending to commitlog");
                replayPosition = CommitLog.instance.add(mutation);
            }
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                                 sstableMetadataCollector);
    }

    public SSTableWriter createCompactionWriter(long estimatedRows, File 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
        // and adds generation of live ancestors
        for (SSTableReader sstable : sstables)
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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.metadataIncludesReplayPosition
                                          ? ReplayPosition.serializer.deserialize(dis)
                                          : ReplayPosition.NONE;
            if (!desc.metadataIncludesModernReplayPosition)
            {
                // replay position may be "from the future" thanks to older versions generating them with nanotime.
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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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        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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        public SSTableMetadata deserialize(DataInputStream dis, Descriptor desc) throws IOException
        {
            EstimatedHistogram rowSizes = EstimatedHistogram.serializer.deserialize(dis);
            EstimatedHistogram columnCounts = EstimatedHistogram.serializer.deserialize(dis);
            ReplayPosition replayPosition = desc.metadataIncludesReplayPosition
                                          ? ReplayPosition.serializer.deserialize(dis)
                                          : ReplayPosition.NONE;
            long maxTimestamp = desc.tracksMaxTimestamp ? dis.readLong() : Long.MIN_VALUE;
            double compressionRatio = desc.hasCompressionRatio
                                    ? dis.readDouble()
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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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                final long truncatedAt = System.currentTimeMillis();
                if (DatabaseDescriptor.isAutoSnapshot())
                    snapshot(Keyspace.getTimestampedSnapshotName(name));

                ReplayPosition replayAfter = discardSSTables(truncatedAt);

                for (SecondaryIndex index : indexManager.getIndexes())
                    index.truncateBlocking(truncatedAt);

                SystemKeyspace.saveTruncationRecord(ColumnFamilyStore.this, truncatedAt, replayAfter);
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             */
            writeBarrier = keyspace.writeOrder.newBarrier();
            memtables = new ArrayList<>();

            // submit flushes for the memtable for any indexed sub-cfses, and our own
            final ReplayPosition minReplayPosition = CommitLog.instance.getContext();
            for (ColumnFamilyStore cfs : concatWithIndexes())
            {
                // switch all memtables, regardless of their dirty status, setting the barrier
                // so that we can reach a coordinated decision about cleanliness once they
                // are no longer possible to be modified
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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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