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reduce chan buffer size, make circular buffer

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This commit is contained in:
Ian Norden 2020-04-27 13:19:19 -05:00
parent 9db0fb219a
commit d345e6b954
1 changed files with 8 additions and 1 deletions
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9
pkg/super_node/service.go
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@ -34,7 +34,7 @@ import (
) )
const ( const (
PayloadChanBufferSize = 20000 PayloadChanBufferSize = 2000
) )
// SuperNode is the top level interface for streaming, converting to IPLDs, publishing, // SuperNode is the top level interface for streaming, converting to IPLDs, publishing,
@ -220,6 +220,13 @@ func (sap *Service) Sync(wg *sync.WaitGroup, screenAndServePayload chan<- shared
default: default:
} }
// Forward the payload to the publishAndIndex workers // Forward the payload to the publishAndIndex workers
// this channel acts as a ring buffer
select {
case publishAndIndexPayload <- ipldPayload:
default:
<-publishAndIndexPayload
publishAndIndexPayload <- ipldPayload
}
publishAndIndexPayload <- ipldPayload publishAndIndexPayload <- ipldPayload
case err := <-sub.Err(): case err := <-sub.Err():
log.Errorf("super node subscription error for chain %s: %v", sap.chain.String(), err) log.Errorf("super node subscription error for chain %s: %v", sap.chain.String(), err)