Se ha denunciado esta presentación.
Utilizamos tu perfil de LinkedIn y tus datos de actividad para personalizar los anuncios y mostrarte publicidad más relevante. Puedes cambiar tus preferencias de publicidad en cualquier momento.
@raffi          Raffi KrikorianGiving a talk at @StanfordACM.Want to know about engineering forreal-time?1 min ago via Twitt...
@JordnJnkieJuice         ✔Finally✈MF✈Famous✔EARTHQUAKE !!!!!1 min ago via Echofon   Favorite   Retweet   Reply
@usgs
300 miles   to  NYC
@remedyoakland         RemedyStrawberry scones and rhubarbturnovers in the house!14 Apr via Facebook   Favorite   Retweet ...
What’s a Tweet?
48 characters                                              +1 for the birdWhat’s a Tweet?It’s a short message thats sent t...
1 tweet
sizeof(1 tweet)
sizeof(1 tweet)= 140 characters
sizeof(1 tweet)= 140 characters
sizeof(1 tweet)= 140 characters
sizeof(1 tweet)= 140 characters
sizeof(1 tweet)≈ 200 bytes
sizeof(1 tweet)≈ 200 bytes
= 140 characterssizeof(1 tweet)                ≈ 200 bytes
= 140 characterssizeof(1 tweet)                ≈ 200 bytes
@Astro_Soichi          Soichi Noguchihttp://twitpic.com/17dfqb -8 Mar 10 via TwitPic       Favorite   Retweet   Reply
@Astro_Soichi          Soichi Noguchihttp://twitpic.com/17dfqb -8 Mar 10 via TwitPic       Favorite   Retweet   Reply
AboutTweets a day
About230,000,000  Tweets a day
2.3E6 tweets    day
2.3E6 tweets 2600 tweets            ≈    day        second
2.3E6 tweets 2600 tweets            ≈    day        second
2.3E6 tweets 2600 tweets            ≈    day        second
2.3E6 tweets 2600 tweets            ≈    day        second
2.3E6 tweets 2600 tweets            ≈    day        second                       steady state
7,196TPS
Tokyo6,600 TPS
8,800 TPS
status/update
status/update
status/update
status/update    HTTP 200 OK{
status/update    HTTP 200 OK{
status/update HTTP 200 OK
status/update HTTP 200 OK
st
s
Snowflakehttps://github.com/twitter/snowflake                                       s
s
s
s
s
sRockdove
s
s
t.co
{
{
Storage          {
{
status/update    HTTP 200 OK{
status/update    HTTP 200 OK{
status/update    HTTP 200 OK{
HTTP 200 OK{    …    "text":"Tweet!"    …}
HTTP 200 OK{    …    "text":"Tweet!"    …}
HTTP 200 OK{    …    "text":"Tweet!"    …}
status/update    HTTP 200 OK{    …    "text":"Tweet!"    …}
status/update    HTTP 200 OK{    …    "text":"Tweet!"    …}
status/update    HTTP 200 OK{    …    "text":"Tweet!"    …}
status/update                      Fanout    HTTP 200 OK{    …    "text":"Tweet!"    …}
status/update                      Fanout    HTTP 200 OK{    …    "text":"Tweet!"    …}
te     FanoutK
te     FanoutK
te     FanoutK
te              Flock     FanoutK
te     FanoutK
te     FanoutK
status/update                      Fanout    HTTP 200 OK{    …    "text":"Tweet!"    …}
status/update                      Fanout    HTTP 200 OK{    …    "text":"Tweet!"    …}
followed by   following
@ladygagamother mons†er13.2 million followers@justinbieberJustin Bieber12.4 million followers@BarackObama44th President of...
@ladygagamother mons†er13.2 million followers@raffime!0.01 million followers
@ladygagamother mons†er13.2 million followers@raffime!0.01 million followers
@ladygaga       mother mons†er       13.2 million followers       @raffi       me!       0.01 million followers10000x more...
@ladygagamother mons†er13.2 million followers@raffime!0.01 million followers  scaling for            107
Has...⇢ huge number of concurrent connections⇢ lots of I/O⇢ few persistent objects
Gosai KijiPhasianus versicolor alsoknown as Japanese Pheasantis a bird of the lowlands.Closely related to theCommon Pheasa...
Gosai KijiPhasianus versicolor alsoknown as Japanese Pheasantis a bird of the lowlands.Closely related to theCommon Pheasa...
needS...⇢ ability to handle server workloads
needS...⇢ ability to handle server workloads⇢ flexibility in language
needS...⇢ ability to handle server workloads⇢ flexibility in language
needS...⇢ ability to handle server workloads⇢ flexibility in language
needS...⇢ ability to handle server workloads⇢ flexibility in language
needS...⇢ ability to handle server workloads⇢ flexibility in language
needS...⇢ ability to handle server workloads⇢ flexibility in language⇢ a real concurrency model
finagle |fəˈnāgəl|          needS...                                       verb [ trans. ] informal                       ...
finagle |fəˈnāgəl|          needS...                                       verb [ trans. ] informal                       ...
finagle |fəˈnāgəl|          needS...                                       verb [ trans. ] informal                       ...
finagle |fəˈnāgəl|                                       verb [ trans. ] informal          needS...                     ob...
’S Infrastructure trades in...⇢ RAM & CPU⇢ bandwidth⇢ machine density
Switching to      doesn’t implythat     is a mistake
is aReal-Time Event-driven         &         Problem
What happens in the    World    happens on
Follow me atQuestions?   twitter.com/raffi
{
{
{
{
{
{
{
{
{
{
{
{
{
{
{
{
{
{
{
{
{
{
{
{
{
{
{
{
{
{
{
{
{
{
{
{
{
{
{
{
{
{
{
{
Próxima SlideShare
Cargando en…5
×

Publicado el

{

Publicado en: Tecnología
  • DOWNLOAD FULL BOOKS, INTO AVAILABLE FORMAT ......................................................................................................................... ......................................................................................................................... 1.DOWNLOAD FULL. PDF EBOOK here { https://tinyurl.com/y6a5rkg5 } ......................................................................................................................... 1.DOWNLOAD FULL. EPUB Ebook here { https://tinyurl.com/y6a5rkg5 } ......................................................................................................................... 1.DOWNLOAD FULL. doc Ebook here { https://tinyurl.com/y6a5rkg5 } ......................................................................................................................... 1.DOWNLOAD FULL. PDF EBOOK here { https://tinyurl.com/y6a5rkg5 } ......................................................................................................................... 1.DOWNLOAD FULL. EPUB Ebook here { https://tinyurl.com/y6a5rkg5 } ......................................................................................................................... 1.DOWNLOAD FULL. doc Ebook here { https://tinyurl.com/y6a5rkg5 } ......................................................................................................................... ......................................................................................................................... ......................................................................................................................... .............. Browse by Genre Available eBooks ......................................................................................................................... Art, Biography, Business, Chick Lit, Children's, Christian, Classics, Comics, Contemporary, Cookbooks, Crime, Ebooks, Fantasy, Fiction, Graphic Novels, Historical Fiction, History, Horror, Humor And Comedy, Manga, Memoir, Music, Mystery, Non Fiction, Paranormal, Philosophy, Poetry, Psychology, Religion, Romance, Science, Science Fiction, Self Help, Suspense, Spirituality, Sports, Thriller, Travel, Young Adult,
       Responder 
    ¿Estás seguro?    No
    Tu mensaje aparecerá aquí
  • DOWNLOAD FULL BOOKS, INTO AVAILABLE FORMAT ......................................................................................................................... ......................................................................................................................... 1.DOWNLOAD FULL. PDF EBOOK here { https://tinyurl.com/y6a5rkg5 } ......................................................................................................................... 1.DOWNLOAD FULL. EPUB Ebook here { https://tinyurl.com/y6a5rkg5 } ......................................................................................................................... 1.DOWNLOAD FULL. doc Ebook here { https://tinyurl.com/y6a5rkg5 } ......................................................................................................................... 1.DOWNLOAD FULL. PDF EBOOK here { https://tinyurl.com/y6a5rkg5 } ......................................................................................................................... 1.DOWNLOAD FULL. EPUB Ebook here { https://tinyurl.com/y6a5rkg5 } ......................................................................................................................... 1.DOWNLOAD FULL. doc Ebook here { https://tinyurl.com/y6a5rkg5 } ......................................................................................................................... ......................................................................................................................... ......................................................................................................................... .............. Browse by Genre Available eBooks ......................................................................................................................... Art, Biography, Business, Chick Lit, Children's, Christian, Classics, Comics, Contemporary, Cookbooks, Crime, Ebooks, Fantasy, Fiction, Graphic Novels, Historical Fiction, History, Horror, Humor And Comedy, Manga, Memoir, Music, Mystery, Non Fiction, Paranormal, Philosophy, Poetry, Psychology, Religion, Romance, Science, Science Fiction, Self Help, Suspense, Spirituality, Sports, Thriller, Travel, Young Adult,
       Responder 
    ¿Estás seguro?    No
    Tu mensaje aparecerá aquí

×