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Limit amount of channel buffers #22

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Merged
paulmach merged 1 commit into from
Feb 2, 2021
Merged

Limit amount of channel buffers #22

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7 changes: 5 additions & 2 deletions osmpbf/decode.go
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Original file line number Diff line number Diff line change
Expand Up @@ -131,6 +131,9 @@ func (dec *decoder) Start(n int) error {

dec.wg.Add(n + 2)

//use roughly 10 chanel inputs
numChanels := 10 / n

// High level overview of the decoder:
// The decoder supports parallel unzipping and protobuf decoding of all
// the header blocks. On goroutine feeds the headerblocks round-robin into
Expand All @@ -141,8 +144,8 @@ func (dec *decoder) Start(n int) error {

// start data decoders
for i := 0; i < n; i++ {
input := make(chan iPair, n)
output := make(chan oPair, n)
input := make(chan iPair, numChanels)
output := make(chan oPair, numChanels)

dd := &dataDecoder{scanner: dec.scanner}

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