"PostgreSQL-9.6.3" log:unrecognized configuration parameter "Dynamic_shared_memory_type"

The error is as follows:

Enter the following command when starting the PG database, error:

 
 
[postgres@drz ~]$  pg_ctl -D /opt/postgresql/data/ start
server starting
[postgres@drz ~]$ LOG:  unrecognized configuration parameter "dynamic_shared_memory_type" in file "/opt/postgresql/data/postgresql.conf" line 127
FATAL:  configuration file "/opt/postgresql/data/postgresql.conf" contains errors

How to resolve:

 
#Add the absolute path to the startup command, the problem is solved
[postgres@drz ~]$ /opt/postgresql/bin/pg_ctl -D /opt/postgresql/data/ start
Server starting
[postgres@drz ~]$ LOG: database system was shut down at 2017-08-11 11:22:34 CST
LOG: MultiXact member wraparound protections are now enabled
LOG: database system is ready to accept connections
LOG: autovacuum launcher started

#If you enter the absolute path when starting, gmon.out file permissions issue like me
[postgres@drz ~]$ /opt/postgresql/bin/pg_ctl -D /opt/postgresql/data/ start
_mcleanup: gmon.out: Permission denied
Server starting
_mcleanup: gmon.out: Permission denied
[postgres@drz ~]$ LOG: database system was shut down at 2017-08-11 11:22:55 CST
LOG: MultiXact member wraparound protections are now enabled
LOG: database system is ready to accept connections
LOG: autovacuum launcher started

#则Modify the permissions of the gmon.out file
[postgres@drz ~]$ chmod 777 /home/postgres/gprof/27265/gmon.out

#Close the database
[postgres@drz ~]$ /opt/postgresql/bin/pg_ctl stop -D /opt/postgresql/data/

#Start the database again
[postgres@drz ~]$ /opt/postgresql/bin/pg_ctl -D /opt/postgresql/data/ start
Server starting
[postgres@drz ~]$ LOG: database system was shut down at 2017-08-11 11:30:30 CST
LOG: MultiXact member wraparound protections are now enabled
LOG: database system is ready to accept connections
LOG: autovacuum launcher started

The end!

2017-09-01

"PostgreSQL-9.6.3" log:unrecognized configuration parameter "Dynamic_shared_memory_type"