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内存数据库使用场景(fastdb java,有没有人有FastDB(C 内存数据库)的任何经验?)

时间:2023-05-03 11:08:11 阅读:121334 作者:4155

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。

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