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app/vmselect/netstorage: do not query Go maps with unsafe string keys, since this breaks in Go 1.17

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This commit is contained in:
Aliaksandr Valialkin 2021-07-30 09:55:08 +03:00
parent b709fa387a
commit cbb81c2ce9
1 changed files with 2 additions and 4 deletions
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6
app/vmselect/netstorage/netstorage.go
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@ -1253,12 +1253,10 @@ func (tbfw *tmpBlocksFileWrapper) RegisterAndWriteBlock(mb *storage.MetricBlock)
tmpBufPool.Put(bb)
if err == nil {
metricName := mb.MetricName
metricNameStrUnsafe := bytesutil.ToUnsafeString(metricName)
addrs := tbfw.m[metricNameStrUnsafe]
addrs := tbfw.m[string(metricName)]
addrs = append(addrs, addr)
if len(addrs) > 1 {
// An optimization: avoid memory allocation and copy for already existing metricName key in tbfw.m.
tbfw.m[metricNameStrUnsafe] = addrs
tbfw.m[string(metricName)] = addrs
} else {
// An optimization for big number of time series with long names: store only a single copy of metricNameStr
// in both tbfw.orderedMetricNames and tbfw.m.