ethdb/pebble: use atomic type (#27014)
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@ -75,14 +75,14 @@ type Database struct {
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log log.Logger // Contextual logger tracking the database path
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activeComp int // Current number of active compactions
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compStartTime time.Time // The start time of the earliest currently-active compaction
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compTime int64 // Total time spent in compaction in ns
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level0Comp uint32 // Total number of level-zero compactions
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nonLevel0Comp uint32 // Total number of non level-zero compactions
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writeDelayStartTime time.Time // The start time of the latest write stall
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writeDelayCount int64 // Total number of write stall counts
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writeDelayTime int64 // Total time spent in write stalls
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activeComp int // Current number of active compactions
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compStartTime time.Time // The start time of the earliest currently-active compaction
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compTime atomic.Int64 // Total time spent in compaction in ns
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level0Comp atomic.Uint32 // Total number of level-zero compactions
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nonLevel0Comp atomic.Uint32 // Total number of non level-zero compactions
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writeDelayStartTime time.Time // The start time of the latest write stall
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writeDelayCount atomic.Int64 // Total number of write stall counts
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writeDelayTime atomic.Int64 // Total time spent in write stalls
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}
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func (d *Database) onCompactionBegin(info pebble.CompactionInfo) {
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@ -91,16 +91,16 @@ func (d *Database) onCompactionBegin(info pebble.CompactionInfo) {
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}
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l0 := info.Input[0]
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if l0.Level == 0 {
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atomic.AddUint32(&d.level0Comp, 1)
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d.level0Comp.Add(1)
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} else {
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atomic.AddUint32(&d.nonLevel0Comp, 1)
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d.nonLevel0Comp.Add(1)
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}
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d.activeComp++
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}
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func (d *Database) onCompactionEnd(info pebble.CompactionInfo) {
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if d.activeComp == 1 {
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atomic.AddInt64(&d.compTime, int64(time.Since(d.compStartTime)))
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d.compTime.Add(int64(time.Since(d.compStartTime)))
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} else if d.activeComp == 0 {
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panic("should not happen")
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}
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@ -112,7 +112,7 @@ func (d *Database) onWriteStallBegin(b pebble.WriteStallBeginInfo) {
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}
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func (d *Database) onWriteStallEnd() {
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atomic.AddInt64(&d.writeDelayTime, int64(time.Since(d.writeDelayStartTime)))
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d.writeDelayTime.Add(int64(time.Since(d.writeDelayStartTime)))
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}
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// New returns a wrapped pebble DB object. The namespace is the prefix that the
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@ -407,11 +407,11 @@ func (d *Database) meter(refresh time.Duration) {
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nWrite int64
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metrics = d.db.Metrics()
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compTime = atomic.LoadInt64(&d.compTime)
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writeDelayCount = atomic.LoadInt64(&d.writeDelayCount)
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writeDelayTime = atomic.LoadInt64(&d.writeDelayTime)
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nonLevel0CompCount = int64(atomic.LoadUint32(&d.nonLevel0Comp))
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level0CompCount = int64(atomic.LoadUint32(&d.level0Comp))
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compTime = d.compTime.Load()
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writeDelayCount = d.writeDelayCount.Load()
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writeDelayTime = d.writeDelayTime.Load()
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nonLevel0CompCount = int64(d.nonLevel0Comp.Load())
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level0CompCount = int64(d.level0Comp.Load())
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)
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writeDelayTimes[i%2] = writeDelayTime
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writeDelayCounts[i%2] = writeDelayCount
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