Message ---- ----- ------ ------- 192.168.100.21 memory Pass memory size is 16384MB 192.168.100.21 sysctl Fail net.ipv4.tcp_syncookies = 1, should be 0 192.168.100.21 thp Pass THP is disabled 192.168.100.21 permission Pass /home/tidb/deploy/tikv-20160 is writable 192.168.100.21 permission Pass /home/tidb/deploy/tikv-20160/data is writable 192.168.100.21 os-version Warn OS is Ubuntu 20.04.6 LTS 20.04.6 (ubuntu support is not fully tested, be careful) 192.168.100.21 cpu-governor Warn Unable to determine current CPU frequency governor policy 192.168.100.21 selinux Pass SELinux is disabled 192.168.100.21 service Pass service firewalld not found, ignore 192.168.100.21 command Pass numactl: policy: default 192.168.100.21 timezone Pass time zone is the same as the first PD machine: Asia/Tokyo 192.168.100.21 cpu-cores Pass number of CPU cores / threads: 4 192.168.100.21 limits Fail soft limit of 'nofile' for user 'tidb' is not set or too low 192.168.100.21 limits Fail hard limit of 'nofile' for user 'tidb' is not set or too low 192.168.100.21 limits Fail soft limit of 'stack' for user 'tidb' is not set or too low 192.168.100.22 memory Pass memory size is 16384MB 192.168.100.22 limits Fail soft limit of 'nofile' for user 'tidb' is not set or too low 192.168.100.22 limits Fail hard limit of 'nofile' for user 'tidb' is not set or too low 192.168.100.22 limits Fail soft limit of 'stack' for user 'tidb' is not set or too low 192.168.100.22 command Pass numactl: policy: default 192.168.100.22 timezone Pass time zone is the same as the first PD machine: Asia/Tokyo 192.168.100.22 os-version Warn OS is Ubuntu 20.04.6 LTS 20.04.6 (ubuntu support is not fully tested, be careful) 192.168.100.22 cpu-governor Warn Unable to determine current CPU frequency governor policy 192.168.100.22 sysctl Fail net.ipv4.tcp_syncookies = 1, should be 0 192.168.100.22 selinux Pass SELinux is disabled 192.168.100.22 thp Pass THP is disabled 192.168.100.22 service Pass service firewalld not found, ignore 192.168.100.22 permission Pass /home/tidb/deploy/tikv-20160 is writable 192.168.100.22 permission Pass /home/tidb/deploy/tikv-20160/data is writable 192.168.100.22 cpu-cores Pass number of CPU cores / threads: 4 192.168.100.23 sysctl Fail net.ipv4.tcp_syncookies = 1, should be 0 192.168.100.23 selinux Pass SELinux is disabled 192.168.100.23 thp Pass THP is disabled 192.168.100.23 service Pass service firewalld not found, ignore 192.168.100.23 timezone Pass time zone is the same as the first PD machine: Asia/Tokyo 192.168.100.23 permission Pass /home/tidb/deploy/tikv-20160 is writable 192.168.100.23 permission Pass /home/tidb/deploy/tikv-20160/data is writable 192.168.100.23 cpu-governor Warn Unable to determine current CPU frequency governor policy 192.168.100.23 memory Pass memory size is 16384MB 192.168.100.23 os-version Warn OS is Ubuntu 20.04.6 LTS 20.04.6 (ubuntu support is not fully tested, be careful) 192.168.100.23 cpu-cores Pass number of CPU cores / threads: 4 192.168.100.23 limits Fail hard limit of 'nofile' for user 'tidb' is not set or too low 192.168.100.23 limits Fail soft limit of 'stack' for user 'tidb' is not set or too low 192.168.100.23 limits Fail soft limit of 'nofile' for user 'tidb' is not set or too low 192.168.100.23 command Pass numactl: policy: default 192.168.100.11 limits Fail soft limit of 'nofile' for user 'tidb' is not set or too low 192.168.100.11 limits Fail hard limit of 'nofile' for user 'tidb' is not set or too low 192.168.100.11 limits Fail soft limit of 'stack' for user 'tidb' is not set or too low 192.168.100.11 sysctl Fail net.ipv4.tcp_syncookies = 1, should be 0 192.168.100.11 thp Pass THP is disabled 192.168.100.11 cpu-cores Pass number of CPU cores / threads: 4 192.168.100.11 memory Pass memory size is 8192MB 192.168.100.11 cpu-governor Warn Unable to determine current CPU frequency governor policy 192.168.100.11 selinux Pass SELinux is disabled 192.168.100.11 service Pass service firewalld not found, ignore 192.168.100.11 command Pass numactl: policy: default 192.168.100.11 permission Pass /home/tidb/deploy/pd-2379 is writable 192.168.100.11 permission Pass /home/tidb/deploy/pd-2379/data is writable 192.168.100.11 permission Pass /home/tidb/deploy/tidb-4000 is writable 192.168.100.11 os-version Warn OS is Ubuntu 20.04.6 LTS 20.04.6 (ubuntu support is not fully tested, be careful) Checking region status of the cluster prod-cluster... All regions are healthy.