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storage/backend: fatal if there is panic during defrag #17757

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storage/backend: fatal if there is panic during defrag #17757

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10 changes: 10 additions & 0 deletions server/storage/backend/backend.go
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Original file line number Diff line number Diff line change
Expand Up @@ -515,6 +515,16 @@ func (b *backend) defrag() error {
)
}

defer func() {
// NOTE: We should exit as soon as possible because that tx
// might be closed. The inflight request might use invalid
// tx and then panic as well. The real panic reason might be
// shadowed by new panic. So, we should fatal here with lock.
if rerr := recover(); rerr != nil {
b.lg.Fatal("unexpected panic during defrag", zap.Any("panic", rerr))
}
}()

// Commit/stop and then reset current transactions (including the readTx)
b.batchTx.unsafeCommit(true)
b.batchTx.tx = nil
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