Hi Kurt,

Thanks for the great detailed bug report. We're investigating this issue.

Taylor

@episod <http://twitter.com/episod> - Taylor Singletary - Twitter Developer
Advocate


On Tue, Mar 1, 2011 at 10:36 AM, Kurt Thomas <[email protected]>wrote:

> When using users/lookup with 100 random screen_names, I often get duplicate
> records, as well as missing records for valid users that are not deleted,
> suspended, or non-existent. Ive tested this with python-twitter as well as
> twurl. The responses I receive are non-deterministic; different users are
> omitted each time. Roughly 10% of all the users I request are omitted, this
> from a sample of 10,000 requests to users/lookup over distinct groups of 100
> users.
>
> *Sample query with 100 random users (grabbed from public timeline): *
> twurl /1/users/lookup.json?screen_name=
> _cameraobscura,aboutmoneytips,aliceee_tw
> ,alltinomit,allysonfly,andy_marin,annadobak,aquarenasw,ardysmc,asd_tscmom,asyaetc,ayranlc,azianperc,bagelcc,bernah515,
> betinhots
> ,bichhu_10,billexd,bodyplus1,bruno_ral,buckley_l,buena_san,bunchukav,bunga_csv,c_loste,cansuneverson,canyalady,carolinefassl,ceedeezy,cernoblog,chairs4church,chakal_guitar,choice355,clubbanga,congelob,cr8cornucopia,crcon1863,creceitas,ctrl_news,cynsaurus,dancewithlola,danielbegun,
> demandplanner
> ,dennisboutkan,deyavoltolini,dharple,domeque,dptodecompras,era_donations,expertwitless,famousgang_31,folhadocariri,freebitchin,heywoodxjablomi,hifos,
> ihavetrunutz
> ,ikuke7,imar87,inmagv,jamilaelhasni,jplmoreira,jzyblu,katsunumaren767,kittoariobasara,kokohorewasshoi,laayanrc,ladylooc,lailavogelezang,mamibluemovie,manuzunino,marcelstuij,marco_paredes,mariel1820,marilimabio,misterplan,nslupski,pastormic,porterpet,rhizis,sabesa1,sai0531,scoopervin22,scwauters,sergio_ee,sethrynstorm,severoski,shaunatpayne,shikshin_ira,shima_online,shinnosukepass,sjsnsdaddict,smithsupport,ssa_prentiss,stayfrostyse,suellany_hta,sugarpop_bdg,taisinhamartins,tamayamasachiko,xsievert,yaragharib
>
> *Records I received a response for (after lowering, sorting):*
> _cameraobscura, aboutmoneytips,   alltinomit, allysonfly, andy_marin,
> annadobak, aquarenasw, ardysmc, asd_tscmom, asyaetc, ayranlc, azianperc,
> bagelcc, bernah515,   bichhu_10, billexd, bodyplus1, bruno_ral, buckley_l,
> buena_san, bunchukav, bunga_csv, c_loste, cansuneverson, canyalady,
> carolinefassl, ceedeezy, cernoblog, chairs4church, chakal_guitar, choice355,
> clubbanga, congelob, cr8cornucopia, crcon1863, creceitas, ctrl_news,
> cynsaurus, dancewithlola, danielbegun,   dennisboutkan, deyavoltolini,
> dharple, domeque, dptodecompras, era_donations, expertwitless,
> famousgang_31, folhadocariri, freebitchin, heywoodxjablomi, hifos,   ikuke7,
> imar87, inmagv, jamilaelhasni, jplmoreira, jzyblu, katsunumaren767,
> kittoariobasara, kokohorewasshoi, laayanrc, ladylooc, lailavogelezang,
> mamibluemovie, manuzunino, manuzunino, marcelstuij, marco_paredes,
> mariel1820, marilimabio, marilimabio, misterplan, nslupski, pastormic,
> porterpet, rhizis, sabesa1, sai0531, sai0531, scoopervin22, scwauters,
> sergio_ee, sethrynstorm, severoski, shaunatpayne, shikshin_ira,
> shima_online, shinnosukepass, sjsnsdaddict, smithsupport, ssa_prentiss,
> stayfrostyse, suellany_hta, sugarpop_bdg, taisinhamartins, tamayamasachiko,
> xsievert, yaragharib, yaragharib
>
>
> (1) There are missing records for aliceee_tw (valid user), betinhots
> (valid), demandplanner (valid), ihavetrunutz (valid)
> (2) There are duplicate recordsfor manuzunino, sai0531, marilimabio, 
> yaragharib, bringing the total back up
> to 100 responses
> (3) While not in this example, suspended/non-existent members are correctly
> removed from results
>
> -- K
>
> --
> Twitter developer documentation and resources: http://dev.twitter.com/doc
> API updates via Twitter: http://twitter.com/twitterapi
> Issues/Enhancements Tracker:
> http://code.google.com/p/twitter-api/issues/list
> Change your membership to this group:
> http://groups.google.com/group/twitter-development-talk
>

-- 
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