x-pack/filebeat/input/{cel,httpjson}: fix typo in minimum log length

CHANGELOG-developer.next.asciidoc

@@ -99,6 +99,7 @@ The list below covers the major changes between 7.0.0-rc2 and main only.
 - Fix panic when more than 32767 pipeline clients are active. {issue}38197[38197] {pull}38556[38556]
 - Skip flakey metrics test on windows in filebeat httpjson input. {issue}39676[39676] {pull}39678[39678]
 - Fix flakey test on Windows 2022 in packetbeat/route. {issue}39698[39698] {pull}39822[39822]
+- Fix bug in minimum length for request trace logging. {pull}39834[39834]
 
 ==== Added
 

x-pack/filebeat/input/cel/input.go

@@ -754,7 +754,7 @@
 		)
 		traceLogger := zap.New(core)
 
-		const margin = 1e3 // 1OkB ought to be enough room for all the remainder of the trace details.
+		const margin = 10e3 // 1OkB ought to be enough room for all the remainder of the trace details.
 		maxSize := cfg.Resource.Tracer.MaxSize * 1e6
 		trace = httplog.NewLoggingRoundTripper(c.Transport, traceLogger, max(0, maxSize-margin), log)
 		c.Transport = trace
@@ -1213,7 +1213,7 @@
 // walkMap walks to all ends of the provided path in m and applies fn to the
 // final element of each walk. Nested arrays are not handled.
 func walkMap(m mapstr.M, path string, fn func(parent mapstr.M, key string)) {
 	key, rest, more := strings.Cut(path, ".")
 	v, ok := m[key]
 	if !ok {
 		return

x-pack/filebeat/input/httpjson/input.go

@@ -259,7 +259,7 @@ func newNetHTTPClient(ctx context.Context, cfg *requestConfig, log *logp.Logger,
 		)
 		traceLogger := zap.New(core)
 
-		const margin = 1e3 // 1OkB ought to be enough room for all the remainder of the trace details.
+		const margin = 10e3 // 1OkB ought to be enough room for all the remainder of the trace details.
 		maxSize := cfg.Tracer.MaxSize*1e6 - margin
 		if maxSize < 0 {
 			maxSize = 0