What is Scrapy caching and how does it work?
Scrapy caching is a feature that stores the responses of requests made during web scraping. It helps to avoid repeated requests to the same URLs, improving efficiency and reducing load on the target server.
How can I enable caching in my Scrapy project?
You can enable caching by adding the HTTPCACHE_ENABLED
setting to your Scrapy settings file and setting it to True
. You can also configure other cache settings like HTTPCACHE_EXPIRATION_SECS
.
What are the benefits of using caching in Scrapy?
The benefits include faster scraping, reduced server load, and the ability to work offline by using cached responses.
Are there any downsides to using caching?
Yes, caching can lead to outdated data if the content on the target site changes frequently. It's important to balance caching with the need for fresh data.
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