【TiDB 版本】：
4.0 RC
【问题描述】：
tiup cluster edit-config tidb-dev
server_configs:
tidb:
binlog.enable: false
binlog.ignore-error: false
log.level: warn
log.slow-threshold: 300
max-index-length: 12288
max-memory: 25G # 添加这个不起作用
memory-limit: 25G # 添加这个也不起作用
MemoryLimit: 25G # 添加这个也不起作用
对比 3.0.11的 inventory.ini 文件
## TiDB Cluster Part
[tidb_servers]
177.6.192.31
177.6.192.32
#177.6.180.58
#177.6.180.59
[tikv_servers]
#177.6.192.34
#177.6.192.35
#177.6.192.36
177.6.181.110
177.6.181.111
177.6.181.112
[pd_servers]
177.6.192.31
177.6.192.32
177.6.192.33
[spark_master]
[spark_slaves]
[lightning_server]
[importer_server]
## Monitoring Part
# prometheus and pushgateway servers
[monitoring_servers]
177.6.192.33
[grafana_servers]
177.6.192.33
# node_exporter and blackbox_exporter servers
[monitored_servers]
177.6.192.31
177.6.192.32
177.6.192.33
#177.6.180.58
#177.6.180.59
#177.6.192.34
#177.6.192.35
#177.6.192.36
177.6.181.110
177.6.181.111
177.6.181.112
[alertmanager_servers]
177.6.192.33
[kafka_exporter_servers]
## Binlog Part
[pump_servers]
[drainer_servers]
## Group variables
[pd_servers:vars]
# location_labels = ["zone","rack","host"]
## Global variables
[all:vars]
deploy_dir = /home/tidb/deploy
## Connection
# ssh via normal user
ansible_user = tidb
cluster_name = test-cluster
tidb_version = v3.0.11
# process supervision, [systemd, supervise]
process_supervision = systemd
timezone = Asia/Shanghai
enable_firewalld = False
# check NTP service
enable_ntpd = True
set_hostname = False
## binlog trigger
enable_binlog = False
# kafka cluster address for monitoring, example:
# kafka_addrs = "177.6.0.11:9092,177.6.0.12:9092,177.6.0.13:9092"
kafka_addrs = ""
# zookeeper address of kafka cluster for monitoring, example:
# zookeeper_addrs = "177.6.0.11:2181,177.6.0.12:2181,177.6.0.13:2181"
zookeeper_addrs = ""
# enable TLS authentication in the TiDB cluster
enable_tls = False
# KV mode
deploy_without_tidb = False
# wait for region replication complete before start tidb-server.
wait_replication = True
# Optional: Set if you already have a alertmanager server.
# Format: alertmanager_host:alertmanager_port
alertmanager_target = ""
grafana_admin_user = "admin"
grafana_admin_password = "admin"
### Collect diagnosis
collect_log_recent_hours = 2
enable_bandwidth_limit = True
# default: 10Mb/s, unit: Kbit/s
collect_bandwidth_limit = 10000
MemoryLimit = 58G
