/* Note the limit here is rather arbitrary and is simply a standard. generally the code works
       with any object that fits in ram.

       Also note that the server has some basic checks to enforce this limit but those checks are not exhaustive
       for example need to check for size too big after
         update $push (append) operation
         various db.eval() type operations
    */
    const int BSONObjMaxUserSize = 16 * 1024 * 1024;

    /* We cut off further objects once we cross this threshold; thus, you might get
       a little bit more than this, it is a threshold rather than a limit.
    */
    const int MaxBytesToReturnToClientAtOnce = 4 * 1024 * 1024;

c = db.c;
c.drop();

for( i = 0; i < 2; ++i ) {
    c.save( {} );
}

print( c.find().limit( -2 ).itcount() );

c.drop();

big = new Array( 5 * 1024 * 1024 ).toString();

for( i = 0; i < 2; ++i ) {
    c.save( {big:big} );
}

print( c.find().limit( -2 ).itcount() );