Package org.apache.cassandra.db.commitlog

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

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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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        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 null;
            }

            assert getMemtableThreadSafe() == oldMemtable;
            oldMemtable.freeze();
            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.
            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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                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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        logger.info("Opening " + descriptor);

        EstimatedHistogram rowSizes;
        EstimatedHistogram columnCounts;
        File statsFile = new File(descriptor.filenameFor(SSTable.COMPONENT_STATS));
        ReplayPosition rp = ReplayPosition.NONE;
        if (components.contains(Component.STATS) && statsFile.exists())
        {
            DataInputStream dis = null;
            try
            {
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                return null;
            }

            assert getMemtableThreadSafe() == oldMemtable;
            oldMemtable.freeze();
            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.
            List<ColumnFamilyStore> icc = new ArrayList<ColumnFamilyStore>(indexedColumns.size());
            // 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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        // for a given column family the memtable is clean, forceFlush will return
        // immediately, even though there could be a memtable being flush at the same
        // time.  So to guarantee that all segments can be cleaned out, we need
        // "waitForActiveFlushes" after the new segment has been created.
        CommitLog.instance.forceNewSegment();
        ReplayPosition position = CommitLog.instance.getContext();
        for (ColumnFamilyStore cfs : ColumnFamilyStore.all())
            cfs.forceFlush();
        waitForActiveFlushes();
        // if everything was clean, flush won't have called discard
        CommitLog.instance.discardCompletedSegments(metadata.cfId, position);
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Related Classes of org.apache.cassandra.db.commitlog.ReplayPosition

  • 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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