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add check / reset for invalid disk i/o rates

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This commit is contained in:
Henry Dollman
2024-11-24 15:56:12 -05:00
parent b01fc316c3
commit b4bc8a31aa
1 changed files with 11 additions and 5 deletions
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16
beszel/internal/agent/system.go
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@@ -116,11 +116,17 @@ func (a *Agent) getSystemStats() system.Stats {
continue
}
secondsElapsed := time.Since(stats.Time).Seconds()
readPerSecond := float64(d.ReadBytes-stats.TotalRead) / secondsElapsed
writePerSecond := float64(d.WriteBytes-stats.TotalWrite) / secondsElapsed
readPerSecond := bytesToMegabytes(float64(d.ReadBytes-stats.TotalRead) / secondsElapsed)
writePerSecond := bytesToMegabytes(float64(d.WriteBytes-stats.TotalWrite) / secondsElapsed)
// check for invalid values and reset stats if so
if readPerSecond < 0 || writePerSecond < 0 || readPerSecond > 50_000 || writePerSecond > 50_000 {
slog.Warn("Invalid disk I/O. Resetting.", "name", d.Name, "read", readPerSecond, "write", writePerSecond)
a.initializeDiskIoStats(ioCounters)
break
}
stats.Time = time.Now()
stats.DiskReadPs = bytesToMegabytes(readPerSecond)
stats.DiskWritePs = bytesToMegabytes(writePerSecond)
stats.DiskReadPs = readPerSecond
stats.DiskWritePs = writePerSecond
stats.TotalRead = d.ReadBytes
stats.TotalWrite = d.WriteBytes
// if root filesystem, update system stats
@@ -153,7 +159,7 @@ func (a *Agent) getSystemStats() system.Stats {
networkRecvPs := bytesToMegabytes(recvPerSecond)
// add check for issue (#150) where sent is a massive number
if networkSentPs > 10_000 || networkRecvPs > 10_000 {
slog.Warn("Invalid network stats. Resetting.", "sent", networkSentPs, "recv", networkRecvPs)
slog.Warn("Invalid net stats. Resetting.", "sent", networkSentPs, "recv", networkRecvPs)
for _, v := range netIO {
if _, exists := a.netInterfaces[v.Name]; !exists {
continue