Why disk size limit for cache is not regarded for disk_cache::BackendImpl?

[Bartosz Chmura]

I want to set cache limits, ie max size of cache on hard drive.

In cache_creator.cc there is creation of various backends. I have obvserved that "max_bytes" limit is regarded for backend disk_cache::SimpleBackendImpl but not for disk_cache::BackendImpl.

I.e. for SimpleBackendImpl given cache directory (all files) never exceed "max_bytes" limit, but for BackendImpl directory size if far beyond "max_bytes" limit.

is it normal situation? How to set such limit for BackendImpl?

[Chris Bentzel]

+net...@chromium.org +Gavin Peters (蓋文彼德斯) 

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[Holger]

Have you tried disk_cache::BackendImpl::SetMaxSize(int max_bytes) ?
https://cs.chromium.org/chromium/src/net/disk_cache/blockfile/backend_impl.h?q=BackendImpl&sq=package:chromium&l=92

Is it not being respected?

[Bartosz Chmura]

Yes, I have tried it. It's called during creation. It does not work.