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由 Maysam Yabandeh 提交于
Summary: We had two proposals for lock-free commit maps. This patch implements the latter one that was simpler. We can later experiment with both proposals. In this impl each entry is an std::atomic of uint64_t, which are accessed via memory_order_acquire/release. In x86_64 arch this is compiled to simple reads and writes from memory. Closes https://github.com/facebook/rocksdb/pull/2861 Differential Revision: D5800724 Pulled By: maysamyabandeh fbshipit-source-id: 41abae9a4a5df050a8eb696c43de11c2770afdda
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