Tarantool 1.6 Primer
++, 2014Konstantin Osipov
Tarantool?
Redis + Node.JS Lua
multipart
, , ,
1.6
AppServer:
MsgPack
Lua LuaFFI :
-
Lua application server
/ callbacks
( )
Lua
#! (hashbang)
c, http , , ...
AppServer
#!/usr/bin/env tarantool
#!/usr/bin/env tarantoolbox.cfg{admin_port=3313} - start
databases = box.schema.create_space('s', { if_not_exists = true})if
not s.index.primary s:create_index('primary', { type = 'hash'
})endlocal purger = box.fiber.wrap(function() end)local sock =
require('box.socket').tcp()sock:connect()
Data dictionary
cluster & sharding friendly
box.schema.create_space()box.schema.create_user()box.schema.create_function()_space,
_function, _user system spaces
MsgPack
BSON,
schema-less
~30% Tarantool 1.5
as-is
Tarantool MsgPack
MsgPack
space:insert{1, 'online', { atime = box.time(), referer =
'rit++'}}---- [1, 'online', {'atime': 1396161275.7198, 'referer':
'rit++'}]...0x960102A45465737483A26B3330A26B31A27631A26B32930A0F14C3CB400921CAC083126F
Discretional Access Control model
,
Guest Admin users
Spaces, Functions and the
Universebox.schema.user.create('kostja')box.schema.user.grant('kostja',
'read,write,execute', 'universe')
Lua
Tracing just-in-time compiler Foreign Function Interface
JIT select(), map(), filter()
v8
Tarantool + LuaJIT = C
: tracing JIT
x = tabulate(math.sin) :take(100) :map(function(x) return x^2
end) :sum()=> => 12 ASM
space:iterator(...) :map(...) :filter(...) :reduce(...) ...
=>> LOOP: 0bcaffd0 movsd [rsp+0x8], xmm7 0bcaffd6 addsd
xmm4, xmm5 0bcaffda ucomisd xmm6, xmm1 0bcaffde jnb 0x0bca0028
->6 0bcaffe4 addsd xmm6, xmm0 0bcaffe8 addsd xmm7, xmm0 0bcaffec
fld qword [rsp+0x8] 0bcafff0 fsin 0bcafff2 fstp qword [rsp]
0bcafff5 movsd xmm5, [rsp] 0bcafffa mulsd xmm5, xmm5 0bcafffe jmp
0x0bcaffd0 ->LOOP ---- TRACE 1 stop -> loop
-
, failover
first> space:replace{1, 'hello'}--- [1, 'hello']...
second> space:replace{2, 'world'}---- [2, 'world']...
: -
first> space:select{}---- [1, 'hello']- [2,
'world']...second> space:select{}---- [1, 'hello']- [2,
'world']...
,
Sophia engine LevelDB
SSD
mem / disk Web
Tarantoolbox.schema.create_space('archive', { engine =
'sophia'})
Sophia:
Key-value index
Disk
10, 25
Memory
15264084Page index
Disk
26, 3110, 15, 16, 2539, 40, 84, 85split
26, 3186, 9639, 8586, 96
lock-free
wait-free
yield()
1 Lua = 1
Q&A
http://tarantool.org/
https://github.com/tarantool
