oceanbase 数据库无法连接怎么办？目前执行obd cluster restart 数据库的时候，卡在了Initialize cluster的时候，看日志是clog disk space is almost full满了，我当时只用了一台服务器部署，部署的时候只部署了一台observe和proxy，也可以通过修改log_disk_utilization_limit_threshold参数吗？目前数据库无法连接上
```## Only need to configure when remote login is required
user:
username: root
password: 123456

key_file: your ssh-key file path if need

port: your ssh port, default 22

timeout: ssh connection timeout (second), default 30

oceanbase-ce:
servers:

# Please don't use hostname, only IP can be supported
- 172.1.3.242

global:

#  The working directory for OceanBase Database. OceanBase Database is started under this directory. This is a required field.
home_path: /backup/oceanbase/home
# The directory for data storage. The default value is $home_path/store.
data_dir: /backup/oceanbase/data
# The directory for clog, ilog, and slog. The default value is the same as the data_dir value.
redo_dir: /backup/oceanbase/redo
# Please set devname as the network adaptor's name whose ip is  in the setting of severs.
# if set severs as "127.0.0.1", please set devname as "lo"
# if current ip is 192.168.1.10, and the ip's network adaptor's name is "eth0", please use "eth0"
devname: ens18
mysql_port: 2881 # External port for OceanBase Database. The default value is 2881. DO NOT change this value after the cluster is started.
rpc_port: 2882 # Internal port for OceanBase Database. The default value is 2882. DO NOT change this value after the cluster is started.
zone: zone1
cluster_id: 1
# please set memory limit to a suitable value which is matching resource. 
memory_limit: 6G # The maximum running memory for an observer
system_memory: 1G # The reserved system memory. system_memory is reserved for general tenants. The default value is 30G.
datafile_size: 8G # Size of the data file. 
log_disk_size: 8G # The size of disk space used by the clog files.
cpu_count: 8
production_mode: false
syslog_level: INFO # System log level. The default value is INFO.
enable_syslog_wf: false # Print system logs whose levels are higher than WARNING to a separate log file. The default value is true.
enable_syslog_recycle: true # Enable auto system log recycling or not. The default value is false.
max_syslog_file_count: 4 # The maximum number of reserved log files before enabling auto recycling. The default value is 0.
# observer cluster name, consistent with obproxy's cluster_name
appname: obcluster
# root_password: # root user password, can be empty
# proxyro_password: # proxyro user pasword, consistent with obproxy's observer_sys_password, can be empty

obproxy-ce:

Set dependent components for the component.

When the associated configurations are not done, OBD will automatically get the these configurations from the dependent components.

depends:

- oceanbase-ce

servers:

- 172.1.3.242

global:
listen_port: 2883 # External port. The default value is 2883.
prometheus_listen_port: 2884 # The Prometheus port. The default value is 2884.
home_path: /backup/oceanbase/obproxy

# oceanbase root server list
# format: ip:mysql_port;ip:mysql_port. When a depends exists, OBD gets this value from the oceanbase-ce of the depends.
# rs_list: 192.168.1.2:2881
enable_cluster_checkout: false
# observer cluster name, consistent with oceanbase-ce's appname. When a depends exists, OBD gets this value from the oceanbase-ce of the depends.
# cluster_name: obcluster
skip_proxy_sys_private_check: true
enable_strict_kernel_release: false
# obproxy_sys_password: # obproxy sys user password, can be empty. When a depends exists, OBD gets this value from the oceanbase-ce of the depends.
# observer_sys_password: # proxyro user pasword, consistent with oceanbase-ce's proxyro_password, can be empty. When a depends exists, OBD gets this value from the oceanbase-ce of the depends.

```
我的服务器性能有限，很多参数都调的比较小