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what shuld used for AtomicCell or ShardedLock #990

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jixiang-yz opened this issue Jun 15, 2023 · 1 comment
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what shuld used for AtomicCell or ShardedLock #990

jixiang-yz opened this issue Jun 15, 2023 · 1 comment
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crossbeam-utils question

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@jixiang-yz
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I have a data structure HashMap<String, ArrayQueue<Message>>，that is more than 90% read and only rarely write. Which structure should I use to protect it? AtomicCell or ShardedLock ？
@taiki-e
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taiki-e commented Jun 15, 2023

ShardedLock. (AtomicCell is mainly for Copy-able types.)

@taiki-e taiki-e closed this as completed Jun 15, 2023
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