[Flaky test][testbed] memory over budget in Trace10kSPS/SAPM-gzip & Trace10kSPSJaegerGRPC

[songy23]

Component(s)

testbed

Describe the issue you're reporting

Trace10kSPS/SAPM-gzip & Trace10kSPSJaegerGRPC keep failing in the load-test. E.g. https://github.com/open-telemetry/opentelemetry-collector-contrib/actions/runs/15442556554/job/43465506584

Test                                    |Result|Duration|CPU Avg%|CPU Max%|CPU Limit|RAM Avg MiB|RAM Max MiB|RAM Limit MiB|Sent Items|Received Items|
----------------------------------------|------|-------:|-------:|-------:|--------:|----------:|----------:|------------:|---------:|-------------:|
Trace10kSPS/OpenCensus                  |PASS  |     15s|    25.9|    27.0|     0.0|         81|         95|          0|    150100|        150100|
Trace10kSPS/OTLP-gRPC                   |PASS  |     15s|    16.4|    18.0|     0.0|         69|         99|          0|    150100|        150100|
Trace10kSPS/OTLP-gRPC-gzip              |PASS  |     15s|    23.1|    24.7|     0.0|         69|         99|          0|    150100|        150100|
Trace10kSPS/OTLP-HTTP                   |PASS  |     15s|     9.1|    11.7|     0.0|         63|         90|          0|    150100|        150100|
Trace10kSPS/OTLP-HTTP-gzip              |PASS  |     15s|    17.3|    19.3|     0.0|         66|         95|          0|    150100|        150100|
Trace10kSPS/OTLP-HTTP-zstd              |PASS  |     15s|    10.3|    13.3|     0.0|         77|        111|          0|    150100|        150100|
Trace10kSPS/SAPM                        |PASS  |     15s|    16.5|    18.3|     0.0|         67|         95|          0|    150100|        150100|
Trace10kSPS/SAPM-gzip                   |FAIL  |     25s|    23.3|    25.3|     0.0|         76|        111|          0|    149300|        149200|RAM consumption is 111 MiB, max expected is 110 MiB
Trace10kSPS/SAPM-zstd                   |PASS  |     15s|    15.9|    19.0|     0.0|        147|        249|          0|    150100|        150100|
Trace10kSPS/Zipkin                      |PASS  |     15s|    55.1|    56.7|     0.0|         68|        100|          0|    150100|        150100|
Trace10kSPSJaegerGRPC                   |FAIL  |     32s|    23.8|    26.0|     0.0|         65|        101|          0|    119400|        119200|RAM consumption is 101 MiB, max expected is 100 MiB

[github-actions]

Pinging code owners:

• testbed: @open-telemetry/collector-approvers

See Adding Labels via Comments if you do not have permissions to add labels yourself.

[axw]

Trace10kSPS/SAPM-gzip

Given that the SAPM exporter is deprecated, perhaps that one should just be removed?

[axw]

I don't know who should be looking into this, but since it's related to Jaeger, pinging the Jaeger receiver code owners. Perhaps these tests should be distributed to the components so ownership is clearer.