I ' mconsideringusingrxdjfortime-seriesdata,in a project where 1) su B- millisecond random-accessreadlatencies,and 2) mililises
Ican ' tfindmanyreferencestofirst-handexperiencewithrxdj; has anyone here used it? canyoupointtoanybenchmarksofrxdj,especiallythosethatconsiderreadlatencyandthroughput?
arecentpostonanerlangforum (from 2009 ) 33603358 www.trap exit.org/forum/view topic.PHP? p=49476#49476 has someone (勤奋的镜像) recommendingrxdjfortradingsystemswithsub-millisecond latencies 3360
if you don ' twanttospendtoomuchtimecodingc,since you have
alreadydonegoodworkofabstractingmnesiabackend,why don't you
createanerlangdriverforthisdatabase : www.fastdb.org.it ' s based
内存映射文件,实施在c,is relatively fast compared
tootherin-memory数据库(about 250 k lookups/s,50k inserts/s ),has
time-series capabilities,SIMPLEC-API.iimplementedrxdjinterface
in several languages,andgenerallyit ' sgoodforsystemsthatdealwith
latenciesinsub-milliseconds range.itmaysufficeforyounlessyou
needtostayinthelowmicrosecondsrealm。
My 2c。
it ' sprettyintimidatingtoseepeopleworryingaboutlatenciesinthelowmicroseconds; I ' mconsideringrxdjfordigitalsignalprocessing (DSP ),whereliveaudiosystemsgenerallylimitlatencytonomorethanabout 10 milllisececout ifasystemrespondsinmilliseconds,wemightuseinputpulsesofonlyafewmicrosecondsinlength。
there ' snomentionofwhatsystemwasusedforthe 250 k lookups/s,50K inserts/s. Still,it's a positive sign。