scrapy 如何多开 - V2EX
V2EX = way to explore
V2EX 是一个关于分享和探索的地方
Sign Up Now
For Existing Member  Sign In
ssllff123

scrapy 如何多开

  •  
  •   ssllff123 Sep 12, 2016 2618 views
    This topic created in 3517 days ago, the information mentioned may be changed or developed.

    用 scrapy 爬几百万的 url ,现在开一个 scrapy 效率有点慢。

    考虑如何多开几个 scrapy ,通过分割队列来运行。

    现在遇到的情况是 复制原来项目,修改 spider 名字以及 setting 部分设置。 运行报错找不到 spider

    仅仅复制原来项目,修改队列。 发现还是原来的 spider

    请大家指教下,如何通过分割队列运行 scarpy

    6 replies    2016-09-12 19:05:31 +08:00
    laoyur
        1
    laoyur  
       Sep 12, 2016
    把这几百万 url 扔到 redis 里,让爬虫自己来取?
    BiggerLonger
        2
    BiggerLonger  
       Sep 12, 2016
    一下把程高一
    facat
        3
    facat  
       Sep 12, 2016 via Android
    爬虫是受网络 i/o 影响大,多开不见得有效果
    neosfung
        4
    neosfung  
       Sep 12, 2016
    mrytsr
        5
    mrytsr  
       Sep 12, 2016 via Android
    分级的话 内部自动通过 协程多开
    ssllff123
        6
    ssllff123  
    OP
       Sep 12, 2016
    好吧 。发现多开并没有提高多少效率。现在能提高效率的应该就是 redis 了。
    About     Help     Advertise     Blog     API     FAQ     Solana     2690 Online   Highest 6679       Select Language
    创意工作者们的社区
    World is powered by solitude
    VERSION: 3.9.8.5 1277ms UTC 14:34 PVG 22:34 LAX 07:34 JFK 10:34
    Do have faith in what you're doing.
    ubao msn snddm index pchome yahoo rakuten mypaper meadowduck bidyahoo youbao zxmzxm asda bnvcg cvbfg dfscv mmhjk xxddc yybgb zznbn ccubao uaitu acv GXCV ET GDG YH FG BCVB FJFH CBRE CBC GDG ET54 WRWR RWER WREW WRWER RWER SDG EW SF DSFSF fbbs ubao fhd dfg ewr dg df ewwr ewwr et ruyut utut dfg fgd gdfgt etg dfgt dfgd ert4 gd fgg wr 235 wer3 we vsdf sdf gdf ert xcv sdf rwer hfd dfg cvb rwf afb dfh jgh bmn lgh rty gfds cxv xcv xcs vdas fdf fgd cv sdf tert sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf shasha9178 shasha9178 shasha9178 shasha9178 shasha9178 liflif2 liflif2 liflif2 liflif2 liflif2 liblib3 liblib3 liblib3 liblib3 liblib3 zhazha444 zhazha444 zhazha444 zhazha444 zhazha444 dende5 dende denden denden2 denden21 fenfen9 fenf619 fen619 fenfe9 fe619 sdf sdf sdf sdf sdf zhazh90 zhazh0 zhaa50 zha90 zh590 zho zhoz zhozh zhozho zhozho2 lislis lls95 lili95 lils5 liss9 sdf0ty987 sdft876 sdft9876 sdf09876 sd0t9876 sdf0ty98 sdf0976 sdf0ty986 sdf0ty96 sdf0t76 sdf0876 df0ty98 sf0t876 sd0ty76 sdy76 sdf76 sdf0t76 sdf0ty9 sdf0ty98 sdf0ty987 sdf0ty98 sdf6676 sdf876 sd876 sd876 sdf6 sdf6 sdf9876 sdf0t sdf06 sdf0ty9776 sdf0ty9776 sdf0ty76 sdf8876 sdf0t sd6 sdf06 s688876 sd688 sdf86