Пример #1
0
    void ShardingState::donateChunk( const string& ns , const BSONObj& min , const BSONObj& max , ShardChunkVersion version ) {
        scoped_lock lk( _mutex );

        ChunkManagersMap::const_iterator it = _chunks.find( ns );
        assert( it != _chunks.end() ) ;
        ShardChunkManagerPtr p = it->second;

        // empty shards should have version 0
        version = ( p->getNumChunks() > 1 ) ? version : ShardChunkVersion( 0 , 0 );

        ShardChunkManagerPtr cloned( p->cloneMinus( min , max , version ) );
        _chunks[ns] = cloned;
    }
Пример #2
0
    void ShardingState::donateChunk( const string& ns , const BSONObj& min , const BSONObj& max , ChunkVersion version ) {
        scoped_lock lk( _mutex );

        ChunkManagersMap::const_iterator it = _chunks.find( ns );
        verify( it != _chunks.end() ) ;
        ShardChunkManagerPtr p = it->second;

        // empty shards should have version 0
        version = ( p->getNumChunks() > 1 ) ? version : ChunkVersion( 0 , OID() );

        ShardChunkManagerPtr cloned( p->cloneMinus( min , max , version ) );
        // TODO: a bit dangerous to have two different zero-version states - no-manager and
        // no-version
        _chunks[ns] = cloned;
    }