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swankjesse avatar swankjesse commented on August 24, 2024

This is a policy decision in the API. You can manually call flush() in your own code if you'd like to flush the journal after every write. DiskLruCache doesn't do this by default because it wants to minimize the number of slow disk writes it makes.

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swankjesse avatar swankjesse commented on August 24, 2024

That said, this does need to be documented!

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teoking avatar teoking commented on August 24, 2024

I see your point. I'd like not flush journal after every write, only after write "CLEAN" or "DIRTY", while not flush after write "READ"(not worth to do).
Back to my case, my app is an android app which may be closed or interrupted unpredictably, and I has only one chance to create a cache(after a video is downloaded) and use it elsewhere. If someone has the similar case with me, I suggest flush after every commit immediately.

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lexer avatar lexer commented on August 24, 2024

@swankjesse could you suggest where it is better to flush DiskLruCache for Android apps to prevent loosing of image cache after app close or crash?

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swankjesse avatar swankjesse commented on August 24, 2024

Calling flush after committing an edit would work.

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lexer avatar lexer commented on August 24, 2024

Thanks!

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kroikie avatar kroikie commented on August 24, 2024

Thank you so much for this, flush works!

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