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

Package org.apache.cassandra.db.commitlog

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

org.apache.cassandra.db.commitlog.ReplayPosition

        return new SSTableWriter(getFlushPath(estimatedSize, Descriptor.CURRENT_VERSION), estimatedRows, metadata, partitioner, context);
    }


    public SSTableWriter createCompactionWriter(long estimatedRows, String location, Collection<SSTableReader> sstables) throws IOException
    {
        ReplayPosition rp = ReplayPosition.getReplayPosition(sstables);
        return new SSTableWriter(getTempSSTablePath(location), estimatedRows, metadata, partitioner, rp);
    }

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            {
                compactionLock.writeLock().lock();


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


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


                    SystemTable.saveTruncationRecord(main, truncatedAt, replayAfter);

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            // casing it for every write, but still ensure it is correct when writeBarrier.await() completes.
            // we clone the replay position so that the object passed in does not "escape", permitting stack allocation
            replayPosition = replayPosition.clone();
            while (true)
            {
                ReplayPosition last = lastReplayPosition.get();
                if (last.compareTo(replayPosition) >= 0)
                    break;
                if (lastReplayPosition.compareAndSet(last, replayPosition))
                    break;
            }
        }

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    {
        final OpOrder.Group opGroup = writeOrder.start();
        try
        {
            // 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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                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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    {
        EstimatedHistogram rowSizes = new EstimatedHistogram(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;


        MetadataCollector collector = new MetadataCollector(new SimpleDenseCellNameType(BytesType.instance))
                                                      .estimatedRowSize(rowSizes)

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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.containsTimestamp() ? dis.readLong() : Long.MIN_VALUE;
            if (!desc.tracksMaxTimestamp) // see javadoc to Descriptor.containsTimestamp
                maxTimestamp = Long.MIN_VALUE;

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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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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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