diff --git a/.github/workflows/benchmarks.yml b/.github/workflows/benchmarks.yml
index c246b98dad..ff04676849 100644
--- a/.github/workflows/benchmarks.yml
+++ b/.github/workflows/benchmarks.yml
@@ -13,6 +13,11 @@ on:
         required: false
         type: boolean
         default: false
+      tailSamplingStorageLimit:
+        description: 'Storage size limit of tail-based sampling on the APM server, defaults to 10GB'
+        required: false
+        type: string
+        default: "10GB"
       profile:
         description: 'The system profile used to run the benchmarks'
         required: false
@@ -58,6 +63,7 @@ jobs:
       TF_VAR_public_key: ./id_rsa_terraform.pub
       TF_VAR_run_standalone: ${{ inputs.runStandalone || github.event.schedule=='0 5 */5 * *' }}
       TF_VAR_apm_server_tail_sampling: ${{ inputs.enableTailSampling }}
+      TF_VAR_apm_server_tail_sampling_storage_limit: ${{ inputs.tailSamplingStorageLimit }}
       RUN_STANDALONE: ${{ inputs.runStandalone || github.event.schedule=='0 5 */5 * *' }}
       TFVARS_SOURCE: ${{ inputs.profile || 'system-profiles/8GBx1zone.tfvars' }} # // Default to use an 8gb profile
       TF_VAR_BUILD_ID: ${{ github.run_id }}