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https://issues.apache.org/jira/browse/NUTCH-2929?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sebastian Nagel resolved NUTCH-2929.
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Resolution: Implemented
Thanks for the reviews, [~markus17] and [~lewismc]!
> Fetcher: start threads slowly to avoid that resources are temporarily
> exhausted
> -------------------------------------------------------------------------------
>
> Key: NUTCH-2929
> URL: https://issues.apache.org/jira/browse/NUTCH-2929
> Project: Nutch
> Issue Type: Improvement
> Affects Versions: 1.18
> Reporter: Sebastian Nagel
> Priority: Minor
> Fix For: 1.19
>
>
> Fetcher spins all threads without any delay. This may cause that certain
> resources are temporarily exhausted if all threads start fetching the first
> pages simultaneously.
> The issue has been observed by Tika warnings about overuse of the SAXParser
> pool which appeared only during the first 2-5 minutes of fetching a segment.
> See https://lists.apache.org/thread/lo6b9wdlxy2lz12wmosldgl9x9ov1cks - adding
> a short delay between thread launches makes the warnings disappear.
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