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fix(l7): track up to 1000 HTTP/2 streams per connection #368

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Merged
mayankpande88 merged 3 commits into from
Oct 6, 2026
Merged

fix(l7): track up to 1000 HTTP/2 streams per connection #368

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ae18fd8
fix(l7): track up to 1000 HTTP/2 streams per connection
mayankpande88 Oct 6, 2026
65a8b59
docs(l7): describe the long-poll case without naming a product
mayankpande88 Oct 6, 2026
cd039f4
Merge branch 'main' into fix/http2-stream-cap-1000
blue4209211 Oct 6, 2026
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8 changes: 7 additions & 1 deletion ebpftracer/l7/http2.go
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Original file line number Diff line number Diff line change
Expand Up @@ -107,7 +107,13 @@ const (
// Max concurrent HTTP/2 streams tracked per connection.
// Prevents unbounded memory growth when responses never complete (orphan
// streams); at the limit the oldest stream makes way (evictOldestRequest).
maxActiveRequests = 100
// It must exceed what one connection legitimately carries: gRPC clients
// multiplex long-polls (workflow and job-queue workers' polls, which get
// no response headers until the poll returns, up to a minute later) by
// the hundred over one connection, and at 100 live polls were evicted.
// Orphans are still reclaimed by the stream GC (http2DecoderGcInterval);
// a request costs ~200 bytes, so a full table is ~200 KB.
maxActiveRequests = 1000
)

type Http2FrameHeader struct {
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