搭出来的Tidb集群读性能差，cpu、内存、磁盘利用率都非常低

global:
  user: tidb
  ssh_port: 22
  ssh_type: builtin
  deploy_dir: /data/tidb-deploy
  data_dir: /data/tidb-data
  os: linux
  arch: arm64
monitored:
  node_exporter_port: 9100
  blackbox_exporter_port: 9115
  deploy_dir: /data/tidb-deploy/monitor-9100
  data_dir: /data/tidb-data/monitor-9100
  log_dir: /data/tidb-deploy/monitor-9100/log
server_configs:
  tidb:
    log.level: error
    performance.max-procs: 32
    performance.run-auto-analyze: false
    performance.txn-total-size-limit: 10485760000
    prepared-plan-cache.enabled: true
    token-limit: 3001
  tikv:
    coprocessor.split-region-on-table: false
    log-level: error
    raftdb.max-background-jobs: 16
    raftstore.apply-max-batch-size: 1024
    raftstore.apply-pool-size: 3
    raftstore.hibernate-regions: true
    raftstore.raft-max-inflight-msgs: 1024
    raftstore.store-max-batch-size: 1024
    raftstore.store-pool-size: 8
    rocksdb.compaction-readahead-size: 2M
    rocksdb.defaultcf.max-write-buffer-number: 32
    rocksdb.writecf.max-write-buffer-number: 32
    server.grpc-concurrency: 5
    server.max-grpc-send-msg-len: 5242880
    storage.block-cache.capacity: 64G
    storage.reserve-space: 0MB
    storage.scheduler-worker-pool-size: 8
  pd:
    replication.location-labels:
    - zone
    - host
  tidb_dashboard: {}
  tiflash: {}
  tiflash-learner: {}
  pump: {}
  drainer: {}
  cdc: {}
  kvcdc: {}
  grafana: {}
tidb_servers:
- host: 10.10.12.9
  ssh_port: 22
  port: 4000
  status_port: 10080
  deploy_dir: /data/tidb-deploy/tidb-4000
  log_dir: /data/tidb-deploy/tidb-4000/log
  numa_node: "0"
  arch: arm64
  os: linux
- host: 10.10.12.78
  ssh_port: 22
  port: 4000
  status_port: 10080
  deploy_dir: /data/tidb-deploy/tidb-4000
  log_dir: /data/tidb-deploy/tidb-4000/log
  numa_node: "1"
  arch: arm64
  os: linux
tikv_servers:
- host: 10.10.12.78
  ssh_port: 22
  port: 20160
  status_port: 20180
  deploy_dir: /data/tidb-deploy/tikv-20160
  data_dir: /data/tidb-data/tikv-20160
  log_dir: /data/tidb-deploy/tikv-20160/log
  numa_node: "0"
  config:
    server.labels:
      host: h1
      zone: z0
  arch: arm64
  os: linux
- host: 10.10.12.6
  ssh_port: 22
  port: 20160
  status_port: 20180
  deploy_dir: /data/tidb-deploy/tikv-20160
  data_dir: /data/tidb-data/tikv-20160
  log_dir: /data/tidb-deploy/tikv-20160/log
  numa_node: "0"
  config:
    server.labels:
      host: h2
      zone: z0
  arch: arm64
  os: linux
- host: 10.10.12.6
  ssh_port: 22
  port: 20161
  status_port: 20181
  deploy_dir: /data/tidb-deploy/tikv-20161
  data_dir: /data/tidb-data/tikv-20161
  log_dir: /data/tidb-deploy/tikv-20161/log
  numa_node: "1"
  config:
    server.labels:
      host: h2
      zone: z1
  arch: arm64
  os: linux
tiflash_servers: []
pd_servers:
- host: 10.10.12.9
  ssh_port: 22
  name: pd-10.10.12.9-2379
  client_port: 2379
  peer_port: 2380
  deploy_dir: /data/tidb-deploy/pd-2379
  data_dir: /data/tidb-data/pd-2379
  log_dir: /data/tidb-deploy/pd-2379/log
  numa_node: "1"
  arch: arm64
  os: linux
monitoring_servers:
- host: 10.10.12.9
  ssh_port: 22
  port: 9090
  deploy_dir: /data/tidb-deploy/prometheus-9090
  data_dir: /data/tidb-data/prometheus-9090
  log_dir: /data/tidb-deploy/prometheus-9090/log
  external_alertmanagers: []
  arch: arm64
  os: linux
grafana_servers:
- host: 10.10.12.9
  ssh_port: 22
  port: 3000
  deploy_dir: /data/tidb-deploy/grafana-3000
  arch: arm64
  os: linux
  username: admin
  password: admin
  anonymous_enable: false
  root_url: ""
  domain: ""
alertmanager_servers:
- host: 10.10.12.9
  ssh_port: 22
  web_port: 9093
  cluster_port: 9094
  deploy_dir: /data/tidb-deploy/alertmanager-9093
  data_dir: /data/tidb-data/alertmanager-9093
  log_dir: /data/tidb-deploy/alertmanager-9093/log
  arch: arm64
  os: linux