Package org.apache.cassandra.db

Examples of org.apache.cassandra.db.ColumnFamilyStore

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        return new KSMetaData(ksm.name, ksm.strategyClass, ksm.strategyOptions, ksm.replicationFactor, newCfs.toArray(new CFMetaData[newCfs.size()]));
    }

    public void applyModels() throws IOException
    {
        ColumnFamilyStore cfs = Table.open(tableName).getColumnFamilyStore(cfName);

        // reinitialize the table.
        KSMetaData existing = DatabaseDescriptor.getTableDefinition(tableName);
        CFMetaData cfm = existing.cfMetaData().get(cfName);
        KSMetaData ksm = makeNewKeyspaceDefinition(existing);
        CFMetaData.purge(cfm);
        DatabaseDescriptor.setTableDefinition(ksm, newVersion);

        if (!clientMode)
        {
            cfs.snapshot(Table.getTimestampedSnapshotName(null));

            CompactionManager.instance.getCompactionLock().lock();
            cfs.flushLock.lock();
            try
            {
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            KSMetaData ksm = DatabaseDescriptor.getTableDefinition(name);

            // remove all cfs from the table instance.
            for (CFMetaData cfm : ksm.cfMetaData().values())
            {
                ColumnFamilyStore cfs = Table.open(ksm.name).getColumnFamilyStore(cfm.cfName);
                CFMetaData.purge(cfm);
                if (!clientMode)
                {
                    cfs.snapshot(snapshotName);
                    cfs.flushLock.lock();
                    try
                    {
                        Table.open(ksm.name).dropCf(cfm.cfId);
                    }
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        DatabaseDescriptor.setTableDefinition(null, newVersion);

        if (!clientMode)
        {
            Table table = Table.open(metadata.tableName);
            ColumnFamilyStore oldCfs = table.getColumnFamilyStore(metadata.cfName);
            oldCfs.reload();
        }
    }
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    public void testOneRow() throws IOException, ExecutionException, InterruptedException
    {
        CompactionManager.instance.disableAutoCompaction();

        Table table = Table.open("Keyspace1");
        ColumnFamilyStore cfs = table.getColumnFamilyStore("Standard1");

        ByteBuffer key = ByteBufferUtil.bytes("k");
        RowMutation rm = new RowMutation("Keyspace1", key);
        rm.add(new QueryPath("Standard1", null, ByteBufferUtil.bytes("c")), ByteBufferUtil.EMPTY_BYTE_BUFFER, 0);
        rm.apply();
        cfs.forceBlockingFlush();

        assertBytes(cfs, Integer.MAX_VALUE, true);
    }
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    public void testOneRowTwoColumns() throws IOException, ExecutionException, InterruptedException
    {
        CompactionManager.instance.disableAutoCompaction();

        Table table = Table.open("Keyspace1");
        ColumnFamilyStore cfs = table.getColumnFamilyStore("Standard1");

        ByteBuffer key = ByteBufferUtil.bytes("k");
        RowMutation rm = new RowMutation("Keyspace1", key);
        rm.add(new QueryPath("Standard1", null, ByteBufferUtil.bytes("c")), ByteBufferUtil.EMPTY_BYTE_BUFFER, 0);
        rm.add(new QueryPath("Standard1", null, ByteBufferUtil.bytes("d")), ByteBufferUtil.EMPTY_BYTE_BUFFER, 0);
        rm.apply();
        cfs.forceBlockingFlush();

        assertBytes(cfs, Integer.MAX_VALUE, true);
    }
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    public void testTwoRows() throws IOException, ExecutionException, InterruptedException
    {
        CompactionManager.instance.disableAutoCompaction();

        Table table = Table.open("Keyspace1");
        ColumnFamilyStore cfs = table.getColumnFamilyStore("Standard1");

        ByteBuffer key = ByteBufferUtil.bytes("k");
        RowMutation rm = new RowMutation("Keyspace1", key);
        rm.add(new QueryPath("Standard1", null, ByteBufferUtil.bytes("c")), ByteBufferUtil.EMPTY_BYTE_BUFFER, 0);
        rm.apply();
        cfs.forceBlockingFlush();

        rm.apply();
        cfs.forceBlockingFlush();

        assertBytes(cfs, Integer.MAX_VALUE, true);
    }
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    public void testTwoRowsTwoColumns() throws IOException, ExecutionException, InterruptedException
    {
        CompactionManager.instance.disableAutoCompaction();

        Table table = Table.open("Keyspace1");
        ColumnFamilyStore cfs = table.getColumnFamilyStore("Standard1");

        ByteBuffer key = ByteBufferUtil.bytes("k");
        RowMutation rm = new RowMutation("Keyspace1", key);
        rm.add(new QueryPath("Standard1", null, ByteBufferUtil.bytes("c")), ByteBufferUtil.EMPTY_BYTE_BUFFER, 0);
        rm.add(new QueryPath("Standard1", null, ByteBufferUtil.bytes("d")), ByteBufferUtil.EMPTY_BYTE_BUFFER, 0);
        rm.apply();
        cfs.forceBlockingFlush();

        rm.apply();
        cfs.forceBlockingFlush();

        assertBytes(cfs, Integer.MAX_VALUE, true);
    }
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    public void testManyRows() throws IOException, ExecutionException, InterruptedException
    {
        CompactionManager.instance.disableAutoCompaction();

        Table table = Table.open("Keyspace1");
        ColumnFamilyStore cfs = table.getColumnFamilyStore("Standard1");

        final int ROWS_PER_SSTABLE = 10;
        for (int j = 0; j < (DatabaseDescriptor.getIndexInterval() * 3) / ROWS_PER_SSTABLE; j++) {
            for (int i = 0; i < ROWS_PER_SSTABLE; i++) {
                ByteBuffer key = ByteBufferUtil.bytes(String.valueOf(i % 2));
                RowMutation rm = new RowMutation("Keyspace1", key);
                rm.add(new QueryPath("Standard1", null, ByteBufferUtil.bytes(String.valueOf(i / 2))), ByteBufferUtil.EMPTY_BYTE_BUFFER, j * ROWS_PER_SSTABLE + i);
                rm.apply();
            }
            cfs.forceBlockingFlush();
        }

        assertBytes(cfs, Integer.MAX_VALUE, true);
    }
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    public void testTwoRowSuperColumn() throws IOException, ExecutionException, InterruptedException
    {
        CompactionManager.instance.disableAutoCompaction();

        Table table = Table.open("Keyspace4");
        ColumnFamilyStore cfs = table.getColumnFamilyStore("Super5");

        ByteBuffer key = ByteBufferUtil.bytes("k");
        RowMutation rm = new RowMutation("Keyspace4", key);
        ByteBuffer scKey = ByteBuffer.wrap(UUIDGen.decompose(UUIDGen.makeType1UUIDFromHost(FBUtilities.getLocalAddress())));
        rm.add(new QueryPath("Super5", scKey , ByteBufferUtil.bytes("c")), ByteBufferUtil.EMPTY_BYTE_BUFFER, 0);
        rm.apply();
        cfs.forceBlockingFlush();

        rm.apply();
        cfs.forceBlockingFlush();

        assertBytes(cfs, Integer.MAX_VALUE, true);
    }
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         * that will be called out of band once the streams complete.
         */
        void performStreamingRepair() throws IOException
        {
            logger.info("Performing streaming repair of " + differences.size() + " ranges for " + request);
            ColumnFamilyStore cfstore = Table.open(request.cf.left).getColumnFamilyStore(request.cf.right);
            try
            {
                List<Range> ranges = new ArrayList<Range>(differences);
                Collection<SSTableReader> sstables = cfstore.getSSTables();
                Callback callback = new Callback();
                // send ranges to the remote node
                StreamOutSession outsession = StreamOutSession.create(request.cf.left, request.endpoint, callback);
                StreamOut.transferSSTables(outsession, sstables, ranges);
                // request ranges from the remote node
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Related Classes of org.apache.cassandra.db.ColumnFamilyStore

  • org.apache.cassandra.cache.IRowCacheEntry
  • org.apache.cassandra.cache.RowCacheKey
  • org.apache.cassandra.cache.RowCacheSentinel
  • org.apache.cassandra.config.CFMetaData
  • org.apache.cassandra.config.CFMetaData.Caching
  • org.apache.cassandra.config.CFMetaData.SpeculativeRetry
  • org.apache.cassandra.config.ColumnDefinition
  • org.apache.cassandra.config.DatabaseDescriptor
  • org.apache.cassandra.cql3.SSTableMetadataTrackingTest
  • org.apache.cassandra.db.columniterator.IColumnIterator
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