Turn off self-healing

Execute stop doctor;in adbmgr to shut down self-healing.

postgres=# stop doctor;
NOTICE:  Update pgxc_node successfully in 'gcn1'.
NOTICE:  Update pgxc_node successfully in 'cn1'.
NOTICE:  Update pgxc_node successfully in 'cn2'.
NOTICE:  Update pgxc_node successfully in 'cn3'.
NOTICE:  Update pgxc_node successfully in 'cn4'.
NOTICE:  Updating pgxc_node successfully at all datanode master.
 mgr_doctor_stop  
-----------------
 t
(1 row)
 
postgres=# list doctor;
   type    |     subtype     |      key       | value |                                                   comment                                                     
-----------+-----------------+----------------+-------+--------------------------------------------------------------------------------------------------------------
 PARAMETER | --              | enable         | 0     | 0:false, 1:true. If true, doctor processes will be launched, or else, doctor processes exit.
 PARAMETER | --              | forceswitch    | 1     | 0:false, 1:true. Whether force to switch the master/slave, note that force switch may cause data loss.
 PARAMETER | --              | switchinterval | 10    | In seconds, The time interval for doctor retry the switching if an error occurred in the previous switching.
 PARAMETER | --              | nodedeadline   | 10    | In seconds. The maximum time for doctor tolerate a NODE running abnormally.
 PARAMETER | --              | agentdeadline  | 5     | In seconds. The maximum time for doctor tolerate a AGENT running abnormally.
 NODE      | gtmcoord master | gcn1           | t     | enable doctor
 NODE      | gtmcoord slave  | gcn2           | t     | enable doctor
 NODE      | coordinator     | cn1            | t     | enable doctor
 NODE      | coordinator     | cn2            | t     | enable doctor
 NODE      | coordinator     | cn3            | t     | enable doctor
 NODE      | datanode master | dn1_1          | t     | enable doctor
 NODE      | datanode master | dn2_1          | t     | enable doctor
 NODE      | datanode master | dn3_1          | t     | enable doctor
 NODE      | datanode slave  | dn1_2          | t     | enable doctor
 NODE      | datanode slave  | dn1_3          | t     | enable doctor
 NODE      | datanode slave  | dn2_2          | t     | enable doctor
 NODE      | datanode master | dn4_1          | t     | enable doctor
 NODE      | coordinator     | cn4            | t     | enable doctor
 NODE      | datanode slave  | dn3_2          | t     | enable doctor
 NODE      | datanode slave  | dn4_2          | t     | enable doctor
 HOST      | --              | adb01          | t     | enable doctor
 HOST      | --              | adb02          | t     | enable doctor
(22 rows)
 
[antdb@intel175 ~]$ ps xuf|grep doctor
antdb     2435  0.0  0.0 112716   984 pts/46   S+   16:09   0:00  |   \_ grep --color=auto doctor

After stop execution, theenable parameter ofdoctor is 0 and there is no more doctor process.