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