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Changes to reduce RAM usage #51

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Changes to reduce RAM usage #51

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4b378d5
Merge branch 'next'
chriskite Jan 20, 2012
531d771
Merge branch 'next'
chriskite Jan 20, 2012
487601b
page_queue is constrained by a size supplied in options, default 100.
Apr 20, 2012
2166b99
Add option 'discard_page_data' to allow user to further decrease stor…
Apr 23, 2012
8b51d29
Revert "Add option 'discard_page_data' to allow user to further decre…
Apr 26, 2012
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4 changes: 3 additions & 1 deletion lib/anemone/core.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,8 @@ class Core
DEFAULT_OPTS = {
# run 4 Tentacle threads to fetch pages
:threads => 4,
# Prevent page_queue from using excessive RAM. Can indirectly limit rate of crawling. You'll additionally want to use discard_page_bodies and/or a non-memory 'storage' option
:max_page_queue_size => 100,
# disable verbose output
:verbose => false,
# don't throw away the page response body after scanning it for links
Expand Down Expand Up @@ -152,7 +154,7 @@ def run
return if @urls.empty?

link_queue = Queue.new
page_queue = Queue.new
page_queue = SizedQueue.new(@opts[:max_page_queue_size])

@opts[:threads].times do
@tentacles << Thread.new { Tentacle.new(link_queue, page_queue, @opts).run }
Expand Down