For integer values, and server nodes configured as "single-bin" only -
add value to existing record value for specified key, using default
namespace, no set name, and default options.
For integer values, and server nodes configured as "single-bin" only -
add value to existing record value for specified key, using default
namespace and no set name.
For server nodes configured as "single-bin" only - append value to
existing record value for specified key, using default namespace, no set
name, and default options.