question: unregister an application along with its secret . this is called when the application terminates . concode_field_sep ConcurrentHashMap<String,String> shuffleSecretMap concode_elem_sep Logger logger concode_elem_sep String SPARK_SASL_USER concode_field_sep String getSecretKey concode_elem_sep void registerApp concode_elem_sep void registerApp concode_elem_sep String getSaslUser
target: void function ( String arg0 ) { if ( shuffleSecretMap . contains ( arg0 ) ) { shuffleSecretMap . remove ( arg0 ) ; logger . info ( "srini_string" , arg0 ) ; } else { logger . warn ( "srini_string" , arg0 ) ; } }