question: blocks the current thread until there is no more backpressure or there are no more connections to the database concode_field_sep long DefaultAsyncTimeout concode_elem_sep ProcedureCallback UserCallback concode_elem_sep ClientConnection Owner concode_elem_sep String KeyBase concode_elem_sep String Procedure concode_elem_sep short Users concode_elem_sep Client Client concode_elem_sep PerfCounterMap Statistics concode_elem_sep String Key concode_field_sep void saveStatistics concode_elem_sep PerfCounterMap getStatistics concode_elem_sep PerfCounter getStatistics concode_elem_sep PerfCounter getStatistics concode_elem_sep ClientConnection use concode_elem_sep void dispose concode_elem_sep void clientCallback concode_elem_sep void close concode_elem_sep ClientResponse execute concode_elem_sep boolean executeAsync concode_elem_sep Future<ClientResponse> executeAsync concode_elem_sep ClientResponse updateApplicationCatalog concode_elem_sep void drain
target: void function ( ) { Client . backpressureBarrier ( ) ; }