ETA elektron eta api java upa eta consumer eta consumer example eta c eta c++ c++ source directory trcc elektron eta c eta trcc reconnect ezd ssl api elektron sdk c rcc ert in cloud java api refresh token callback DACS ema trep MarketFeed failover Service batch request ADS symbol list eikon-sdk dictionary linux elektronsdk eta shared library reactor resiliency consumer java upa login failed view idn eta decode batchrequest dictionary reuse sequence fields utilization Blank_Field nip vc11 status negative ric quotes conflation t ssl eta migrate one-to-many publish symbollist service name missing documentation connect chain load balance _ms sink driven source rssl_ret_incomplete_data secure hkex sdk contribution cusip elektron-direct-feed batch eta blank value to the field mergedtogroup identify trade concurrent 1.2.0 error code map trthv2 eta api status rssl_stream_close snapshot gold price signals rdf-d upa reactor connect reconnect up ready groups FID timestamp rsslfieldentry electron rssl_mc_status refresh_complete aws dictionary in data centers upa training module enum description multi-thread docker rsslmap empty rssl connection recovery rsslbuffer streamid elektron sdk - java slow solarflaire onload esdk build segfault maximum volume real-time-data elektron sdk suspect real overrun ni provider buffers 3.4.0l1 equity quotes unsubscribe ads encryption nfd exchangelist eta sbe rwf omm corrupt constituents warm standby convert millisec version PauseResume OMM performance ric edf size privatestream groupid reboot price idn_rdf ADH rtmes snapshot with open stream valueadd encodeiterator 64 bit search service id vaconsumer missing data login stream millisecond rssl_ret_invalid_data market_by_price dispatch tr contribution channel capabilities stale item recovery group bds trade building from source open-source rssl_rc_cet_channel_down_reconnecting rssl state fids message eta fid number acronym hint trcc eta rtl rsslstate ack market price elecktron rsslfieldlist mrn rdm niprovider symbols-by-exchange dictionary for services disconnect enum stress test eta connection handle group status events rssl_mc_update conditional compilation subscription rdm_directory_service_group_id analytics monitoring electron api documentation limit threadsafe ert in cloud trial data model