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在重试的过程中，有可能别的进程执行了action，写回了缓存。所以应该在重试的时候检查缓存是否存在。 #1

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iamzhangdabei opened this issue May 11, 2013 · 0 comments

iamzhangdabei commented May 11, 2013

retries.times do |count|
   return yield if acquire_lock(key, lock_expiry)
   raise MaxRetriesError if count == retries - 1
   exponential_sleep(count) unless count == retries - 1
end

在重试的过程中，有可能别的进程执行了action，写回了缓存。所以应该在重试的时候检查缓存是否存在。

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