Stambecco Preso Base 2010-04-12
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Transcript of Stambecco Preso Base 2010-04-12
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Scaling with Stambecco
David Pollak @dppScala BASE, April 12th2010
http:!tambecco"org
@goat#rodeo
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Abo$t DPP
%rote Beginning Scala
Started &i't in 200( Started )e!a in 1**1
+oding 'or mone, 1*((
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Problem!
+ache -nvalidation
+onc$rrenc Solved well b .DB)S
/ntil it! not
hen h$ge pain
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Scaling Di!trib$tion 33 4ard
-t! a di''erent wa o' coding
.e'erence! dont work 5on6logic 'ail$re i! common
&ack o' !nchronicit
4ard to !im$late locall
&ike !ailing the high !ea!
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Stambecco
5aming: the other hard problem
%orker! 7Actor6i!h8 A!nchrono$!-mm$table )e!!age!
A!kAn!wer 7.e9$e!t!8
-nter6worker ran!action!
Per6worker S& !tore
5ot abo$t 'inancial tran!action!
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%hat! the ;oat good 'orede!tro case class Follow(who: UserId) extends UserMsg
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A!nc-mm$table )e!!age!
)e!!age !end i! a!nchrono$!
)e!!age! are compiler g$aranteed -mm$table
?S5 Seriali>able
imeo$t! on A!kAn!wer action
Sent to %orker pro=
)e!!aging t$rtle! all the wa down
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A!kAn!wer +ode
for {
user
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-nter6worker ran!action!
nl within %orker!
Action!: PrePo!t6+ommit.ollback 5o e=ternal me!!age! within =action
-ntegrated with S&
5e!ted, rec$r!ive transaction on otherWorker complete
{result = 99} send MyMessage(123)
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Per %orker S&
Private S& Store
Backed b 42 -ntegrated with tran!action!
+an al!o acce!! e=ternal S& !tore!
+an al!o acce!! 5oS&
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.$n mode!
e!t: in memor
Single 5ode: 42 ile!!tem )$ltiple 5ode
)e!!age!: .abbit)
ran!action!: Cooeeper S&: 42 +a!!andra
Same %orker +lient code
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%orker +lient code the !ame
.$n mode change, b$t
5o change! to worker code
5o change! to client code
+hange! to %orker)a!ter
&ocal v!" .emote
42 /.&
)e!!age !endreceive mechanic!
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%h doe! it !caleation
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4o$!ekeeping
.$n! on Scala 2"
S;i coming 5ot tied to &i't
Apache 2"0 &icen!e
+ommercial mod$le!: balancing, load!hedding, !mart m!g dela, mgt ;/-, etc"
5ope, no big6name $!er!""" et
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%here to get the ;oat
http:!tambecco"org
@goat#rodeo
http:gro$p!"google"comgro$pgoat6rodeo
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$e!tion!
