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From "ASF GitHub Bot (JIRA)" <>
Subject [jira] [Commented] (NUTCH-2576) HTTP protocol plugin based on okhttp
Date Thu, 24 May 2018 15:45:00 GMT


ASF GitHub Bot commented on NUTCH-2576:

sebastian-nagel commented on issue #328: NUTCH-2576 HTTP protocol implementation based on
   - large-scale test (distributed mode on CDH 5.14.2): 195 million pages fetched from 28
million hosts (90 million hosts in CrawlDb) in 4 cycles using 48 Fetcher tasks each with 120
threads. No issues with the connection pool, at least, not remarkable unless the waits for
locks described or linked in [NUTCH-2578](
are addressed.
   New TODOs:
   - setting/using Cookies
   - re-throw exceptions as HttpException so that they can be handled by Fetcher

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> HTTP protocol plugin based on okhttp
> ------------------------------------
>                 Key: NUTCH-2576
>                 URL:
>             Project: Nutch
>          Issue Type: Improvement
>          Components: plugin, protocol
>            Reporter: Sebastian Nagel
>            Priority: Major
>             Fix For: 1.15
> [Okhttp|] is an Apache2-licensed http library which supports
HTTP/2. [~jnioche]'s implementation [storm-crawler#443|]
proves that it should be straightforward to implement a Nutch protocol plugin using okhttp.
A recent HTTP protocol implementation should also fix (most of) the issues reported in NUTCH-2549.

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