Igor Canadi 1cf5deb8fd Introduce CacheAllocator, a custom allocator for cache blocks (#4437) ... Summary: This is a conceptually simple change, but it touches many files to pass the allocator through function calls. We introduce CacheAllocator, which can be used by clients to configure custom allocator for cache blocks. Our motivation is to hook this up with folly's `JemallocNodumpAllocator` (f43ce6d686/folly/experimental/JemallocNodumpAllocator.h), but there are many other possible use cases. Additionally, this commit cleans up memory allocation in `util/compression.h`, making sure that all allocations are wrapped in a unique_ptr as soon as possible. Pull Request resolved: https://github.com/facebook/rocksdb/pull/4437 Differential Revision: D10132814 Pulled By: yiwu-arbug fbshipit-source-id: be1343a4b69f6048df127939fea9bbc96969f564		2018-10-02 17:24:58 -07:00
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rocksdb	Introduce CacheAllocator, a custom allocator for cache blocks (#4437)	2018-10-02 17:24:58 -07:00