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Summary: Direct reads mean we cut the Manifold server out of the loop for bigger reads, and is an enabler for Hedwig and other ways to distribute a big blob between tasks in a region. Weak consistency means that we don't always check the master server for metadata for a blob, which should speed up reads especially in remote regions; it depends on direct reads to function, as it allows us to grab the read plan from Memcache and then go directly to the backend storage (ZippyDB, Everstore) instead of via the Manifold servers Reviewed By: StanislavGlebik Differential Revision: D27264690 fbshipit-source-id: 78fe77dfa4f85b5bf657b64e56577f4e00af0b94 |
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tunables-derive | ||
Cargo.toml |