eta-api elektron-sdk elektron rrt refinitiv-realtime elektron-transport-api java c++ rssl reactor trep rcc-api #technology connection c rrto refinitiv-realtime-sdk source-directory consumer symbology rics batch ssl log-in refinitiv-real-time api fields elektron-data-dictionary api-limits rcc locking encoding linux non-interactive-provider Service eikon rdm token multi-threading market-feed callback ADS build status market-by-price DACS refinitiv-realtime-optimised service-id watchlist dispatch trade sink-driven-source quote sequence issue documentation search docker load-balancing performance ADH compile 64-bit ipa snapshot-pricing date rdf conflation chain-ric stream-id enum error open-source service-name disconnection message sdk events mrn commodities #content time-stamp fanout contributions stale monitoring failover aws ema-api tls OMM equities RWF elektron-direct-feed unsubscribe exchanges constituents volume pricing #product stress-test service-dictionary tick-history-rest-api refinitiv-real-time-optimised data-model rfa refresh-message subscription