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[WIP]fix: shard queue panic #248

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@jayantxie jayantxie commented Apr 24, 2023

What type of PR is this?

fix

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  • The description of this PR title is user-oriented and clear enough for others to understand.
  • Attach the PR updating the user documentation if the current PR requires user awareness at the usage level. User docs repo

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由于root cause并非这个原因,暂时pending

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cloudwego/kitex#913

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@jayantxie jayantxie requested review from a team as code owners April 24, 2023 13:59
@jayantxie jayantxie force-pushed the fix/shrad_queue_panic branch 2 times, most recently from 34330bf to f98dffa Compare April 25, 2023 03:33
@jayantxie jayantxie force-pushed the fix/shrad_queue_panic branch from f98dffa to 11d37e7 Compare April 25, 2023 03:47
}

// MUST decrease bufNum first.
if atomic.AddInt32(&q.bufNum, negBufNum) <= 0 && atomic.LoadInt32(&q.state) != active {
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这里为啥也要判断?

@jayantxie jayantxie changed the title fix: shard queue panic [WIP]fix: shard queue panic May 26, 2023
}
negBufNum -= int32(len(q.swap))

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这里为什么是 -= len(q.swap) 呢? bufNum 每增加一次,对应的 shard 中不一定只写入了一个 getter 吧,这样似乎 negBufNum != -bufNum ?

另外请问下这份PR还会继续维护吗?

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