Package org.apache.cassandra.db

Examples of org.apache.cassandra.db.Table

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        setMode(Mode.DRAINING, "flushing column families", false);
        List<ColumnFamilyStore> cfses = new ArrayList<ColumnFamilyStore>();
        for (String tableName : Schema.instance.getNonSystemTables())
        {
            Table table = Table.open(tableName);
            cfses.addAll(table.getColumnFamilyStores());
        }
        totalCFs = remainingCFs = cfses.size();
        for (ColumnFamilyStore cfs : cfses)
        {
            cfs.forceBlockingFlush();
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                    }
                }
            }
                           
            // remove the table from the static instances.
            Table table = Table.clear(ksm.name, schema);
            assert table != null;
            // reset defs.
            schema.clearTableDefinition(ksm, newVersion);
        }
        finally
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    public double getLoad()
    {
        double bytes = 0;
        for (String tableName : Schema.instance.getTables())
        {
            Table table = Table.open(tableName);
            for (ColumnFamilyStore cfs : table.getColumnFamilyStores())
                bytes += cfs.getLiveDiskSpaceUsed();
        }
        return bytes;
    }
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            throw new IOException("You mus supply a column family name");

        if (tag == null || tag.equals(""))
            throw new IOException("You must supply a snapshot name.");

        Table table = getValidTable(tableName);
        if (table.snapshotExists(tag))
            throw new IOException("Snapshot " + tag + " already exists.");

        table.snapshot(tag, columnFamilyName);
    }
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            logger_.debug("Cleared out snapshot directories");
    }

    public Iterable<ColumnFamilyStore> getValidColumnFamilies(String tableName, String... cfNames) throws IOException
    {
        Table table = getValidTable(tableName);

        if (cfNames.length == 0)
            // all stores are interesting
            return table.getColumnFamilyStores();

        // filter out interesting stores
        Set<ColumnFamilyStore> valid = new HashSet<ColumnFamilyStore>();
        for (String cfName : cfNames)
        {
            ColumnFamilyStore cfStore = table.getColumnFamilyStore(cfName);
            if (cfStore == null)
            {
                // this means there was a cf passed in that is not recognized in the keyspace. report it and continue.
                logger_.warn(String.format("Invalid column family specified: %s. Proceeding with others.", cfName));
                continue;
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    {
        List<Token> tokens = new ArrayList<Token>();
        // we use the actual Range token for the first and last brackets of the splits to ensure correctness
        tokens.add(range.left);

        Table t = Table.open(table);
        ColumnFamilyStore cfs = t.getColumnFamilyStore(cfName);
        List<DecoratedKey> keys = keySamples(Collections.singleton(cfs), range);
        int splits = keys.size() * DatabaseDescriptor.getIndexInterval() / keysPerSplit;

        if (keys.size() >= splits)
        {
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        setMode(Mode.DRAINING, "flushing column families", false);
        List<ColumnFamilyStore> cfses = new ArrayList<ColumnFamilyStore>();
        for (String tableName : Schema.instance.getNonSystemTables())
        {
            Table table = Table.open(tableName);
            cfses.addAll(table.getColumnFamilyStores());
        }
        totalCFs = remainingCFs = cfses.size();
        for (ColumnFamilyStore cfs : cfses)
        {
            cfs.forceBlockingFlush();
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        logger.info("Beginning transfer to {}", target);
        logger.debug("Ranges are {}", StringUtils.join(ranges, ","));

        try
        {
            Table table = flushSSTable(tableName);
            // send the matching portion of every sstable in the keyspace
            transferSSTables(session, table.getAllSSTables(), ranges);
        }
        catch (IOException e)
        {
            throw new IOError(e);
        }
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     * (2) determine the minimal file sections we need to send for the given ranges
     * (3) transfer the data.
     */
    private static Table flushSSTable(String tableName) throws IOException
    {
        Table table = Table.open(tableName);
        logger.info("Flushing memtables for {}...", tableName);
        for (Future f : table.flush())
        {
            try
            {
                f.get();
            }
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        logger.info("Beginning transfer to {}", session.getHost());
        logger.debug("Ranges are {}", StringUtils.join(ranges, ","));

        try
        {
            Table table = flushSSTable(session.table);
            // send the matching portion of every sstable in the keyspace
            List<PendingFile> pending = createPendingFiles(table.getAllSSTables(), ranges);
            session.addFilesToStream(pending);
            session.begin();
        }
        catch (IOException e)
        {
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Related Classes of org.apache.cassandra.db.Table

  • org.apache.cassandra.analytics.DBAnalyticsSource
  • org.apache.cassandra.config.KSMetaData
  • org.apache.cassandra.db.commitlog.CommitLog
  • org.apache.cassandra.db.commitlog.CommitLogReplayer
  • org.apache.cassandra.db.commitlog.CommitLogSegment
  • org.apache.cassandra.db.compaction.CompactionInfo
  • org.apache.cassandra.db.compaction.CompactionsPurgeTest
  • org.apache.cassandra.db.compaction.LeveledCompactionStrategyTest
  • org.apache.cassandra.db.compaction.LongLeveledCompactionStrategyTest
  • org.apache.cassandra.db.compaction.OneCompactionTest
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