[jira] [Created] (NUTCH-2623) Fetcher to guarantee delay for same host/domain/ip independent of http/https protocol

["Sebastian Nagel (JIRA)" <ji...@apache.org>]

Sebastian Nagel created NUTCH-2623:
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             Summary: Fetcher to guarantee delay for same host/domain/ip independent of http/https protocol
                 Key: NUTCH-2623
                 URL: https://issues.apache.org/jira/browse/NUTCH-2623
             Project: Nutch
          Issue Type: Improvement
          Components: fetcher
    Affects Versions: 1.14
            Reporter: Sebastian Nagel
             Fix For: 1.16


 Fetcher uses a combination of protocol and host/domain/ip as ID for fetch item queues, see [FetchItem.java|https://github.com/apache/nutch/blob/2b93a66/src/java/org/apache/nutch/fetcher/FetchItem.java#L101]. This inhibits a guaranteed delay, in case both http:// and https:// URLs are fetched from the same host/domain/ip, e.g. here with a large delay of 30 sec.:
{noformat}
2018-07-23 14:54:39,834 INFO fetcher.FetcherThread - FetcherThread 24 fetching http://nutch.apache.org/ (queue crawl delay=30000ms)
2018-07-23 14:54:39,846 INFO fetcher.FetcherThread - FetcherThread 23 fetching https://nutch.apache.org/ (queue crawl delay=30000ms)
{noformat}



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