狠狠撸

! ? 46.70.93.94 - - [11/Nov/2011:11:11:11 -1100] "GET /book/
1984.html HTTP/1.1“404 2326 http://www./s?
wd=1984&rsv_bp=0&rsv_spt=3&inputT=947 "Mozilla/
5.0(iPad; U; CPU iPhone OS 3_2 like Mac OS X; en-us)
AppleWebKit/531.21.10 (KHTML, like Gecko) Version/4.0.4
Mobile/7B314 Safari/531.21.10 “

——

! ? 46.70.93.94 - -
! ? [11/Nov/2011:11:11:11 -1100]
! ? "GET /book/1984.html HTTP/1.1"
! ? 404
! ? 2326
! ? "http://www./s?
wd=1984&rsv_bp=0&rsv_spt=3&inputT=9
47"
! ? "Mozilla/5.0(iPad; U; CPU iPhone OS 3_2
like Mac OS X; en-us) AppleWebKit/
531.21.10 (KHTML, like Gecko) Version/
4.0.4 Mobile/7B314 Safari/531.21.10 “

——

! ? 46.70.93.94 - -
! ? [11/Nov/2011:11:11:11 -1100]
! ? 404
! ? 2326
! ? "http://www./s?
47"
! ? " Mozilla/5.0(iPad; U; CPU iPhone OS
3_2 like Mac OS X; en-us) AppleWebKit/
531.21.10 (KHTML, like Gecko) Version/
4.0.4 Mobile/7B314 Safari/531.21.10"

——

! ? 46.70.93.94 - -
! ? [11/Nov/2011:11:11:11 -1100]
! ? GET /book/1984.html HTTP/1.1
! ? 404
! ? 2326
! ? "http://www./s?
7"
! ? "Mozilla/5.0(iPad; U; CPU iPhone OS
3_2 like Mac OS X; en-us)
AppleWebKit/531.21.10 (KHTML, like
Gecko) Version/4.0.4 Mobile/7B314
Safari/531.21.10 "

——

! ? 46.70.93.94 - -
! ? [11/Nov/2011:11:11:11 -1100]
! ? 404
! ? 2326
! ? "http://www./s?
wd=1984&rsv_bp=0&rsv_spt=3&inputT=947"
! ? " Mozilla/5.0(iPad; U; CPU iPhone OS
Safari/531.21.10 "

——

! ? 46.70.93.94 - -
! ? [11/Nov/2011:11:11:11 -1100]
! ? 404
! ? 2326
! ? " http://www./s?wd=1984&
rsv_bp=0&rsv_spt=3&inputT=947 "
! ? "Mozilla/5.0(iPad; U; CPU iPhone OS
Safari/531.21.10 "

?? ?? ?? ??
?? ?? ??
??
?? Ad$hoc
?? ……

!? …

! ? $
! ?B*S $
! ? $
! ? $

! ? C++$ $
! ?C++ $
! ? SQL $
! ?PHP$+$C$ $ ! ? $
! ?Schema $
! ? $
! ? ! ? $
PHP .so $

20th.陈晓鸣百度海量日志分析架构及处理经验分享

DISQL

LOG

LSP

DISQL

!?
! ?
! ? _Url _Res( )
! ? _Url _Site
! ?
! ?
!?
!?
!? JSON

DQuery
! ?
! ? _Url _Res( )
! ? _Url _S
! ?
! ?
!?
!?
!? JSON

!? PHP SQL ( )
!? SQL M/R
!?
!? DAG
!? MapReduce
!?
!? SQL
!? PHP
!? C++ + C-Runtime NEW!
! ? RAII +
! ? Copy On Write
! ? schema
! ? C++ PHP

!?

!?
!? parser
!? JSON
[
{
"cmd": "load“,
"path": null
"using": "SchemaReader"
"from": 17
"options": {"max_item_in_mem“: 100000}
"include": [25]
}
, {"cmd":"filter"……}, {"cmd":"join"……},…… ……
]

SQL
[
{
"cmd": "load“,
"path": null
"using": "SchemaReader"
"from": 17
"options":
{"max_item_in_mem“:
100000}
"include": [25]
}
, {"cmd":"filter"……},
{"cmd":"join"……},…… ……
]

!?
!?
!?
!?
!?
!?
!?
!? ( )
!? MapReduce
! ? Schema
!? schema
!? C++ PHP DOT
!?

Group

Unique Shu?e
Map$Phase$
Reduce$
$
$
Limit$1 $
Group
$
$
Combine$
$$
Group Count

Shu?e $
Shu?e
$
Reduce$ $
$ Reduce$
$
Count
$
$
Sum
$
Reduce$Phase

Schema

?eld ID name age ?eld ID score
type uint64 string int32 type uint64 double
index 2 5 9 Index 0 1

join

Field ID name age Score
Type Uint64 string int32 double
Index 2 5 9 10

! ?
! ?
! ? Combiner
! ? Cached Combiner
! ? key Join
! ?
! ?
!? I/O

! ? PHP
! ? C++
! ? DOT
! ? / MapReduce

Processor ——Pipes & Filter
class$
Processor
init()
process(
)
?ni()

class$ class$ class$ class$
Selector Filter Counter UserProcessor

init() init() init() init()
process( process( process(
process()
) ) )
?ni() ?ni() ?ni() ?ni()

!?
4 1 10 27
3540 4761 1221 +34.5%
DQuery 1153 3359 2206 +191%
1569 2963 1394 +88.9%
!? ! ? LSP

24% PM 1352 47.4%
}$$67%
DQuery 43% RD 1174 41.2%
33% OP 190 6.66%
136 4.77%
2852 100%

!?
!? ●
!?
!? ● ● ● …
!?
!? LSP
!? ● UI ●
!? DISQL
!? ● ● ● ●
!?
!?
!? (@ ) (chenxiaoming@)
!? Hadoop in China 12 2 2 20 DISQL2.0

……
……
chenxiaoming@

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