benchmark cluster config bigger

inputs

@@ -2,8 +2,8 @@
   "{{ project_name }}.benchmarking_dir": "oss://chinese-quartet/quartet-result-data/NCTR_benchmarking_20181215/",
   "{{ project_name }}.vcfstat.docker": "registry-vpc.cn-shanghai.aliyuncs.com/pgx-docker-registry/rtg-hap:latest",
   "{{ project_name }}.fasta": "GRCh38.d1.vd1.fa",
-  "{{ project_name }}.benchmark.cluster_config": "OnDemand bcs.a2.3xlarge img-ubuntu-vpc",
-  "{{ project_name }}.benchmark.disk_size": "150",
+  "{{ project_name }}.benchmark.cluster_config": "OnDemand bcs.a2.7xlarge img-ubuntu-vpc",
+  "{{ project_name }}.benchmark.disk_size": "500",
   "{{ project_name }}.vcfstat.disk_size": "100",
   "{{ project_name }}.benchmark.docker": "registry-vpc.cn-shanghai.aliyuncs.com/pgx-docker-registry/rtg-hap:latest",
   "{{ project_name }}.inputSamplesFile": "{{ inputSamplesFile }}",