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Posted to dev@nutch.apache.org by "Sebastian Nagel (JIRA)" <ji...@apache.org> on 2016/07/02 10:19:10 UTC
[jira] [Resolved] (NUTCH-2286) CrawlDbReader -stats to show fetch
time and interval
[ https://issues.apache.org/jira/browse/NUTCH-2286?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sebastian Nagel resolved NUTCH-2286.
------------------------------------
Resolution: Fixed
Committed. Thanks, [~markus17]!
> CrawlDbReader -stats to show fetch time and interval
> ----------------------------------------------------
>
> Key: NUTCH-2286
> URL: https://issues.apache.org/jira/browse/NUTCH-2286
> Project: Nutch
> Issue Type: Improvement
> Components: crawldb
> Affects Versions: 1.12
> Reporter: Sebastian Nagel
> Assignee: Sebastian Nagel
> Priority: Minor
> Fix For: 1.13
>
>
> An overview about fetch times and fetch intervals could be useful to configure a crawl. CrawlDbReader could easily calculate min, max and average and show it as part of the statistics job (command-line option {{-stats}}):
> {noformat}
> % bin/nutch readdb .../crawldb/ -stats
> ...
> TOTAL urls: 544910
> shortest fetch interval: 7 days, 00:00:00
> avg fetch interval: 7 days, 17:43:58
> longest fetch interval: 10 days, 12:00:00
> earliest fetch time: Wed May 25 11:42:00 CEST 2016
> avg of fetch times: Sun Jun 05 18:11:00 CEST 2016
> latest fetch time: Wed Jun 22 10:25:00 CEST 2016
> ...
> {noformat}
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