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@brayniac brayniac released this 27 Sep 17:15
· 10 commits to main since this release
v4.0.0
bcd44c3
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Learn about vigilant mode.

Changed

  • All samplers are now async and run on-demand when a metrics endpoint is hit.
    Percentiles must now be calculated from the free-running histograms. (#334)
  • BPF is now non-optional on Linux. (#336)
  • Makes HTTP compression dependent on client accept headers, removes the need
    for separate configuration of compression. (#337)
  • Removes histograms for counter and gauge metrics. (#338)
  • Histogram grouping power reduced from 7 (0.781% error) to 3 (12.5% error).
    This reduces the memory footprint for each histogram. (#339)

Added

  • Syscall samplers now track yield syscall. (#310)
  • TCP active open (connect) latency now tracked. (#342)
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