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In my SP 2010 Search, i am using only one Crawl component but crawl time is took very can i add one more crawl component ?(my searchable item is 8 lak+)

At what situation crawl component should increase ?..Please tel me the scenario.

Note: 2 app,2 wef and 1 sql(culster).app1 is acting as a search server

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Crawling and indexing are I/O and CPU intensive; adding more machines increases the crawl/index throughput linearly.

However, You should note that adding more crawlers may not help if :

  • Crawl rate is low due to IOPS bottlenecks in the search crawl subsystem.

  • Crawl rate is low due to slow repository responsiveness.

Please refer to this article for more details :

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