Examples with ColumnFamilyStore org.apache.cassandra.db.ColumnFamilyStore used on opensource projects

Example 76 with ColumnFamilyStore

use of org.apache.cassandra.db.ColumnFamilyStore in project eiger by wlloyd.

the class DropColumnFamily method applyModels.

public void applyModels() throws IOException {
    ColumnFamilyStore cfs = Table.open(tableName, schema).getColumnFamilyStore(cfName);
    // reinitialize the table.
    KSMetaData existing = schema.getTableDefinition(tableName);
    CFMetaData cfm = existing.cfMetaData().get(cfName);
    KSMetaData ksm = makeNewKeyspaceDefinition(existing);
    schema.purge(cfm);
    schema.setTableDefinition(ksm, newVersion);
    if (!StorageService.instance.isClientMode()) {
        cfs.snapshot(Table.getTimestampedSnapshotName(cfs.columnFamily));
        Table.open(ksm.name, schema).dropCf(cfm.cfId);
    }
}

Example 77 with ColumnFamilyStore

use of org.apache.cassandra.db.ColumnFamilyStore in project eiger by wlloyd.

the class DropKeyspace method applyModels.

public void applyModels() throws IOException {
    String snapshotName = Table.getTimestampedSnapshotName(name);
    KSMetaData ksm = schema.getTableDefinition(name);
    // remove all cfs from the table instance.
    for (CFMetaData cfm : ksm.cfMetaData().values()) {
        ColumnFamilyStore cfs = Table.open(ksm.name, schema).getColumnFamilyStore(cfm.cfName);
        schema.purge(cfm);
        if (!StorageService.instance.isClientMode()) {
            cfs.snapshot(snapshotName);
            Table.open(ksm.name, schema).dropCf(cfm.cfId);
        }
    }
    // remove the table from the static instances.
    Table.clear(ksm.name, schema);
    // reset defs.
    schema.clearTableDefinition(ksm, newVersion);
}

Example 78 with ColumnFamilyStore

use of org.apache.cassandra.db.ColumnFamilyStore in project eiger by wlloyd.

the class RangeSliceVerbHandler method doVerb.

public void doVerb(Message message, String id) {
    try {
        if (StorageService.instance.isBootstrapMode()) {
            /* Don't service reads! */
            throw new RuntimeException("Cannot service reads while bootstrapping!");
        }
        RangeSliceCommand command = RangeSliceCommand.read(message);
        ColumnFamilyStore cfs = Table.open(command.keyspace).getColumnFamilyStore(command.column_family);
        RangeSliceReply reply = new RangeSliceReply(executeLocally(command));
        Message response = reply.getReply(message);
        if (logger.isDebugEnabled())
            logger.debug("Sending " + reply + " to " + id + "@" + message.getFrom());
        MessagingService.instance().sendReply(response, id, message.getFrom());
    } catch (Exception ex) {
        throw new RuntimeException(ex);
    }
}

Example 79 with ColumnFamilyStore

use of org.apache.cassandra.db.ColumnFamilyStore in project eiger by wlloyd.

the class RangeSliceVerbHandler method executeLocally.

static List<Row> executeLocally(RangeSliceCommand command) throws ExecutionException, InterruptedException {
    ColumnFamilyStore cfs = Table.open(command.keyspace).getColumnFamilyStore(command.column_family);
    IFilter columnFilter = QueryFilter.getFilter(command.predicate, cfs.getComparator());
    if (cfs.indexManager.hasIndexFor(command.row_filter))
        return cfs.search(command.row_filter, command.range, command.maxResults, columnFilter, command.maxIsColumns);
    else
        return cfs.getRangeSlice(command.super_column, command.range, command.maxResults, columnFilter, command.row_filter, command.maxIsColumns);
}

Example 80 with ColumnFamilyStore

use of org.apache.cassandra.db.ColumnFamilyStore in project eiger by wlloyd.

the class IncomingStreamReader method streamIn.

private SSTableReader streamIn(DataInput input, PendingFile localFile, PendingFile remoteFile) throws IOException {
    ColumnFamilyStore cfs = Table.open(localFile.desc.ksname).getColumnFamilyStore(localFile.desc.cfname);
    DecoratedKey key;
    SSTableWriter writer = new SSTableWriter(localFile.getFilename(), remoteFile.estimatedKeys);
    CompactionController controller = new CompactionController(cfs, Collections.<SSTableReader>emptyList(), Integer.MIN_VALUE, true);
    try {
        BytesReadTracker in = new BytesReadTracker(input);
        for (Pair<Long, Long> section : localFile.sections) {
            long length = section.right - section.left;
            long bytesRead = 0;
            while (bytesRead < length) {
                in.reset(0);
                key = SSTableReader.decodeKey(StorageService.getPartitioner(), localFile.desc, ByteBufferUtil.readWithShortLength(in));
                long dataSize = SSTableReader.readRowSize(in, localFile.desc);
                ColumnFamily cached = cfs.getRawCachedRow(key);
                if (cached != null && remoteFile.type == OperationType.AES && dataSize <= DatabaseDescriptor.getInMemoryCompactionLimit()) {
                    // need to update row cache
                    // Note: Because we won't just echo the columns, there is no need to use the PRESERVE_SIZE flag, contrarily to what appendFromStream does below
                    SSTableIdentityIterator iter = new SSTableIdentityIterator(cfs.metadata, in, key, 0, dataSize, IColumnSerializer.Flag.FROM_REMOTE);
                    PrecompactedRow row = new PrecompactedRow(controller, Collections.singletonList(iter));
                    // We don't expire anything so the row shouldn't be empty
                    assert !row.isEmpty();
                    writer.append(row);
                    // row append does not update the max timestamp on its own
                    writer.updateMaxTimestamp(row.maxTimestamp());
                    // update cache
                    ColumnFamily cf = row.getFullColumnFamily();
                    cfs.updateRowCache(key, cf);
                } else {
                    writer.appendFromStream(key, cfs.metadata, dataSize, in);
                    cfs.invalidateCachedRow(key);
                }
                bytesRead += in.getBytesRead();
                remoteFile.progress += in.getBytesRead();
            }
        }
        return writer.closeAndOpenReader();
    } catch (Exception e) {
        writer.abort();
        if (e instanceof IOException)
            throw (IOException) e;
        else
            throw FBUtilities.unchecked(e);
    }
}