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㠀ᵓ㐀䝕䞊䝍䜢Asakusa䛷ᢅ 
䛖䛯䜑䛾⪃䛘᪉䛸ᐇ⿦ 
@pochi_black
@pochi_black.inspect 
● Ruby䛜኱ዲ䛝 
● ᭱㏆䛿Elixir䜔䛳䛶䜎䛩 
● 䝡䝑䜾䝕䞊䝍䜔䛳䛶䜎䛩 
● AsakusaṔ2ᖺ䠛 
● ึLT
Asakusa䝞䝑䝏㛤Ⓨ 
● 4✀㢮䛾䝻䜾䝣䜯䜲䝹䜢⤖ྜ䛧䛶ᑟ⥺䜢సᡂ 
● 3✀㢮䛜AP䝃䞊䝞䛾㠀ᵓ㐀䝻䜾 
● 㠀ᵓ㐀䝻䜾䛿ᚲせ䛺᝟ሗ䜢䜰䜴䝖䝥䝑䝖䛩䜛タィ䛿䛥䜜䛶䛔 
䜛䛜䚸ศᯒ䛥䜜䜛๓ᥦ䛾タィ䛿䛥䜜䛶䛔䛺䛔 
ログA 
ログB 
中間導線1 
中間導線2 導線 
ログD ログF
௒᪥䛾䛚ヰ 
DMDL䛷ᆺ䜢䜒䛳䛯Asakusa䛻ᑐ䛧䛶 
䝻䜾䛾䜘䛖䛺ศᯒ䜢ព㆑䛧䛶䛔䛺䛔䝣䜯䜲䝹䜢 
䛹䛖ᢅ䛳䛯䛛䛸䛔䛖䛣䛸䛻䛴䛔䛶䛚ヰ䛧䛧䜎䛩
㠀ᵓ㐀䝕䞊䝍䜈䛾䜰䝥䝻䞊䝏 
● TSVFormat䛸CSVFormat䛷ᑐᛂ䛩䜛 
● Asakusa䛻⊂⮬䝣䜷䞊䝬䝑䝖䜢㏣ຍ䛩䜛 
● Asakusa䛻ㄞ䜏㎸䜎䛫䜛ᡭ๓䛻⣲䛾 
MapReduce䛷஦๓ฎ⌮䜢⾜䛖
㠀ᵓ㐀䝻䜾䛾ྲྀ䜚ᢅ䛔 
● Asakusaⓗ䜰䝥䝻䞊䝏䛷ྲྀ䜚⤌䜐 
○ DirectIO/CSV䝣䜯䜲䝹㐃ᦠ䜢౑䛖 
○ DirectIO/TSV䝣䜯䜲䝹㐃ᦠ䜢౑䛖 
● 䝻䜾䛻䛿ព࿡䛾ษ䜜┠䛷䛿䛺䛔䛸䛣䜝䛻”,”䛛䝍 
䝤䜻䞊䛜ධ䛳䛶䛔䜛䛸䜶䝷䞊䛻䛺䜛
㠀ᵓ㐀䝻䜾䛾ྲྀ䜚ᢅ䛔 
● OSSⓗ䜰䝥䝻䞊䝏䛷ྲྀ䜚⤌䜐 
○ TSVParser䛾䜘䛖䛺ឤ䛨䛷ఱ䜒䝟䞊䝇䛧䛺䛔Parser䜢స䜜 
䜀䛔䛔䜣䛨䜓䛺䛔䛛 
● ᩘ䚻䛾୙Ᏻ 
○ Javaຊప䛔䞉䞉䞉 
○ RecordParser࿘䜚䛻኱䛝䛺ኚ᭦㉳䛝䛯䜙䛹䛖䛧䜘䛖 
○ 䝗䜻䝳䝯䞁䝖ᮍᩚഛ䠚䠘
㠀ᵓ㐀䝻䜾䛾ྲྀ䜚ᢅ䛔 
● Asakusa䛻䜲䞁䝥䝑䝖䛩䜛஦๓ฎ⌮䛷ᑐᛂ 
○ ༢⣧䛺MapReduce䛷䝻䜾䛜Asakusa䛻ㄞ䜏㎸䜑䛶䛛䛴 
ព࿡䛜䛺䛟䛺䜙䛺䛔䜘䛖䛻ຍᕤ 
● ᭱ప㝈䛾ฎ⌮䛰䛡ᐇ᪋ 
○ TSV䛻䠍⾜䛸䛧䛶ㄞ䜎䛫䜛䛯䜑䛻䝍䝤䜢๐㝖 
○ ୙Ᏻ䜢ᾘ䛩䛯䜑䛻኱㔞䛾༢య䝔䝇䝖䜢᭩䛝䜎䛧䛯
᭱⤊⣔ 
非構造ログ 
事前処理 
MapReduce Asakusa 導線
䜎䛸䜑 
● Asakusa䛷䝞䝑䝏䜢᭩䛟䛸Ᏻᚰឤ䛜䛒䜛 
● 䝍䝤䜔CSV䜢ព㆑䛷䛝䛶䛔䛺䛔䝻䜾䝣䜯䜲䝹䛾ᢅ 
䛔䛿ᮍ䛰䛻ṇ䛧䛔䜔䜚᪉䛜ศ䛛䜙䛺䛔 
● DMDL䝥䝷䜾䜲䞁䝗䜻䝳䝯䞁䝖䛜䛒䜜䜀䛜䜣䜀䜜䛯 
䛛䜒䞉䞉䞉
䛒䜚䛜䛸䛖䛤䛦䛔䜎䛧䛯

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非構造データをAsakusaで扱うための考え方と実装