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v4.4.1

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@chad-earthscope chad-earthscope released this 19 Apr 20:23
· 97 commits to main since this release
v4.4.1
1c0dd9d
  • Add TCPKeepAliveIdle, TCPKeepAliveInterval, and TCPKeepAliveCount config options to enable TCP keepalive probing on accepted client sockets. Enabled by default with 60s idle / 30s interval / 4 probes; dead peers are detected within ~3 min. Set TCPKeepAliveIdle to 0 to disable. Settable via RS_TCP_KEEPALIVE_IDLE, RS_TCP_KEEPALIVE_INTERVAL, RS_TCP_KEEPALIVE_COUNT environment variables.

Note

The default setting of TCP keepalive options are a behavior change from previous versions.

  • Significant hardening of HTTP handling of user input.
  • Fix multiple edge case failures, on OOM or esoteric/malicious usage.
  • Add per-call PCRE2 match context with limits for client-supplied regex patterns.
  • Fix race condition where ClientInfo could be dereferenced during client cleanup.
  • Fix sending success-indicating "OK" on internal lookup error.
  • Add empty ring guards to RingAfter() and RingAfterRev().
  • Fail fast on malformed READ command for DataLink to avoid multiple ERRORS.
  • Fix race condition in GetStreamNode() for duplicates or rebalancing.
  • Protect against <= 0 values for UsageLogInterval.
  • Avoid negative values in Content-Length HTTP response headers.
  • Protect ring reads against corrupt/truncated ring buffers.
  • Document VolatileRing/RS_VOLATILE_RING config option.
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