Современная разработка в Mail.ru

На Perl и не только

Myth

es Perl 5.6 Apache 1

CGI

?

How many servers enough to process

100k requests per second

with 0.01s delay?

The q

uestio

n

Users

Read

email

An

d w

ant

An

d w

ant avatars

From

everywh

ere

Man

y

4Krps

An

d fast

4Krps

0.01s

Filin

Intro

du

ce: Filin

4Krps

Сервер на C, который отдает

аватарки и иконки

Wh

at the so

urce

?

Ow

n…

Mail, Fb

, Ok, G

ravatar, ICQ

, …

… … …

Filin

Ow

n d

ata on

disk

4Krps

disk

1K

rps

Filin

Wh

ere the o

thers?

4Krps 3Krps

disk

1K

rps

?

Filin

Co

den

ame “A

vatard”

4Krps 3Krps

Сервис, умеющий искать и отдавать аватарки. Быстро

disk

1K

rps

IProto

Filin

HT

TP – O

verhead

. IPro

to!

4Krps 3Krps

disk

1K

rps

struct packet { uint32_t type, uint32_t length, uint32_t sequence, char[] data }

Srv

IProto

Filin

Avatard

insid

e: the server

4Krps 3Krps

Srv

Srv

IProto

Filin

Avatard

: servers

4Krps 3Krps

DB Srv

Srv

IProto

Filin

Take data fro

m d

atabase

4Krps 3Krps

M Srv

Srv

IProto

Filin

Rep

licated

4Krps 3Krps S

M1 Srv

Srv

S1

Mn Sn

IProto

Filin

Of co

urse, sh

arded

4Krps 3Krps

Tarantool

M1 Srv

Srv

Que

S1

Mn Sn

IProto

Filin

Bu

t wh

ere they fro

m?

4Krps 3Krps

Tarantool

очередь

M1 Srv

Srv

Que

S1

Mn Sn

IProto

Filin

From

the in

ternet )

4Krps

…

3Krps

Res

Tarantool

M1 Srv

Srv

Que

S1

Mn Sn

IProto

HTTP

Filin

Svc

Som

e HT

TP R

equ

ests

4Krps

…

3Krps

3Krps

Res

Tarantool

M1 Srv

Srv

Que

S1

Mn Sn

IProto

HTTP

Filin

Svc

Go

t a pro

blem

!

4Krps

…

3Krps

3Krps

Res

Tarantool

0.01s

3s

1.5s

2.5s

Ho

w em

ail wo

rks?

письмо SMTP Server

SMTP Mail.ru

Хранилище

http://e.mail.ru

Агент Mail.ru

Письмо или список писем

Когда узнаем

Когда показываем

+ аватарки

M1 Srv

Srv

Que

S1

Mn Sn

swp

IProto

IProto

HTTP

Filin

Svc

MTA

Imp

rove!

4Krps

5Krps

disk …

3Krps

3Krps

5Krps Res

Tarantool

>>3s

M1 Srv

Srv

Que

S1

Mn Sn

IProto

IProto

HTTP

Filin

Svc

MTA

Secon

d p

rob

lem: R

AM

4Krps

5Krps

…

3Krps

3Krps

5Krps Res

Tarantool

M1 Srv

Srv

Que

S1

Mn Sn

swp

IProto

IProto

HTTP

Filin

Svc

MTA

RA

M is n

ot ru

bb

er. Use d

isk

4Krps

5Krps

disk …

3Krps

3Krps

5Krps Res

Tarantool

Зачем хранить в памяти неиспользуемые?

M1 Srv

Srv

Que

S1

Mn Sn

swp

IProto

IProto

HTTP

Filin

Svc

MTA

Well d

on

e!

4Krps

5Krps

disk …

3Krps

3Krps

5Krps Res

Tarantool

Language?

C?

Avo

id it

Perl! TIMTOWTDI

Fast dev early deploy

M1 Srv

Srv

Que

S1

Mn Sn

swp

IProto

IProto

HTTP

Mo

dern

langu

age!

Res

Perl 7!

Well kn

ow

n Perl 5

.

Perl 6. O

’RLY?

Perl 7! N

ow

!

M1 Srv

Srv

Que

S1

Mn Sn

swp

IProto

IProto

HTTP

Mo

dern

langu

age!

Res

Perl 7! (5.16)

M1 Srv

Srv

Que

S1

Mn Sn

swp

IProto

IProto

HTTP

Mo

dern

async fram

efork!

Res

Perl 7! AnyEvent

M1 Srv

Srv

Que

S1

Mn Sn

swp

IProto

IProto

HTTP

Mo

dern

async fram

efork!

Res

Perl 7! AnyEvent IProto::Server

M1 Srv

Srv

Que

S1

Mn Sn

swp

IProto

IProto

HTTP

Mo

dern

async fram

efork!

Res

Perl 7! AnyEvent IProto::Server (40k rps/core)

M1 Srv

Srv

Que

S1

Mn Sn

swp

IProto

IProto

HTTP

Mo

dern

async fram

efork!

Res

Perl 7! AnyEvent IProto::Server (40k rps/core) HTTP::Server

M1 Srv

Srv

Que

S1

Mn Sn

swp

IProto

IProto

HTTP

Mo

dern

async fram

efork!

Res

Perl 7! AnyEvent IProto::Server (40k rps/core) HTTP::Server (8k rps/core)

M1 Srv

Srv

Que

S1

Mn Sn

swp

IProto

IProto

HTTP

Mo

dern

async fram

efork!

Res

Perl 7! AnyEvent IProto::Server (40k rps/core) HTTP::Server (8k rps/core) Tarantool

M1 Srv

Srv

Que

S1

Mn Sn

swp

IProto

IProto

HTTP

Mo

dern

async fram

efork!

Res

Perl 7! AnyEvent IProto::Server (40k rps/core) HTTP::Server (8k rps/core) Tarantool HTTP

M1 Srv

Srv

Que

S1

Mn Sn

swp

IProto

IProto

HTTP

Mo

dern

async fram

efork!

Res

Perl 7! AnyEvent IProto::Server (40k rps/core) HTTP::Server (8k rps/core) Tarantool HTTP EV

M1 Srv

Srv

Que

S1

Mn Sn

swp

IProto

IProto

HTTP

Mo

dern

async fram

efork!

Res

Perl 7! AnyEvent IProto::Server (40k rps/core) HTTP::Server (8k rps/core) Tarantool HTTP EV XS

Sou

rces availab

le

Perl 7! AnyEvent IProto::Server (40k rps/core) HTTP::Server (8k rps/core) Tarantool HTTP EV XS

github.com/Mons/AnyEvent-IProto

github.com/Mons/AnyEvent-HTTP-Server-II

Twiggy, Twisted,

Node.js,

(but not nginx ;)

Faster than

Perl 5.6? Perl 5.6!

M1 Srv

Srv

Que

S1

Mn Sn

swp

IProto

IProto

HTTP

Res

Perl 7!

Apache! Apache?

CGI! CGI?

Perl 5.1

6 vs Perl 5

.8

- Released 11.03.2013 - Lower memory usage up to 25% - Lower CPU usage up to 10% - The best Unicode 6 support - Many modern features - Latest libraries - Support for new libraries - No old bugs - New regular expression - Async frameworks - Green threads

Perl 5.16 - Released 31.01.2006 - Buggy - Obsoleted!

Perl 5.8

Database?

M1 Srv

Srv

Que

S1

Mn Sn

swp

IProto

IProto

HTTP

No

SQL D

atabase

Res

Tarantool

Tarantool - High performance - Latest stable - Built in Lua - Multiple indexes - Composite indexes

M1 Srv

Srv

Que

S1

Mn Sn

swp

IProto

IProto

HTTP

An

d also

qu

eue

Res

Tarantool

Tarantool - High performance - Latest stable - Built in Lua - Multiple indexes - Composite indexes - Lua-based queue

How many servers enough to process

100k requests per second

with 0.01s delay?

So, th

e qu

estion

…

The an

swer is…

Mo

re correct an

swer ;)

Profit: effective highload IProto: 120k rps / server

HTTP: 40k rps / server

Fast development – early deploy

Profit: effective highload

1400% reservation

Appliance High performance applications

U Complex logic with many data sources

Mons Anderson

Р у к о в о д и т ел ь о тд ел а , П о ч т а @ M a i l . r u

< m o n s @ c p a n . o r g >

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