gserver

启动数据库到在线模式

启动GBase 8s。通过这个命令启动后，GBase 8s进入在线服务状态，可以对外提供联机服务。

语法：

gserver start

操作演示

[gbasedbt@devsvr ~]$ gserver start
Your evaluation license will expire on 2022-10-14 00:00:00
Reading configuration file '/opt/gbase/etc/onconfig.gbase8s'...succeeded
Creating /GBASEDBTTMP/.infxdirs...succeeded
Allocating and attaching to shared memory...succeeded
Creating resident pool 11030 kbytes...succeeded
Creating infos file "/opt/gbase/etc/.infos.gbase8s"...succeeded
Linking conf file "/opt/gbase/etc/.conf.gbase8s"...succeeded
Initializing rhead structure...rhlock_t 16384 (512K)... rlock_t (2656K)... Writing to infos file...succeeded
Initialization of Encryption...succeeded
Initializing ASF...succeeded
Initializing Dictionary Cache and SPL Routine Cache...succeeded
Bringing up ADM VP...succeeded
Creating VP classes...succeeded
Forking main_loop thread...succeeded
Initializing DR structures...succeeded
Forking 1 'soctcp' listener threads...succeeded
Starting tracing...succeeded
Initializing 8 flushers...succeeded
Initializing SDS Server network connections...succeeded
Initializing log/checkpoint information...succeeded
Initializing dbspaces...succeeded
Opening primary chunks...succeeded
Validating chunks...succeeded
Initialize Async Log Flusher...succeeded
Starting B-tree Scanner...succeeded
Init ReadAhead Daemon...succeeded
Init DB Util Daemon...succeeded
Initializing DBSPACETEMP list...succeeded
Init Auto Tuning Daemon...succeeded
Checking database partition index...succeeded
Initializing dataskip structure...succeeded
Checking for temporary tables to drop...succeeded
Updating Global Row Counter...succeeded
Forking gadmin_mon thread...succeeded
Creating periodic thread...succeeded
Creating periodic thread...succeeded
Starting scheduling system...succeeded
Verbose output complete: mode = 5
[gbasedbt@devsvr ~]$
[gbasedbt@devsvr ~]$ gstat -
Your evaluation license will expire on 2022-06-18 00:00:00
On-Line -- Up 2 days 16:23:56 -- 597864 Kbytes

[gbasedbt@devsvr ~]$ 

停止数据库

停止数据库，数据库进入离线模式。

语法：

gserver stop

操作演示

[gbasedbt@devsvr ~]$ gserver stop
Your evaluation license will expire on 2022-10-14 00:00:00
[gbasedbt@devsvr ~]$ gstat -
Your evaluation license will expire on 2022-10-14 00:00:00
shared memory not initialized for GBASEDBTSERVER 'gbase8s'
[gbasedbt@devsvr ~]$

停止数据库，并清理共享内存

停止数据库，并清理共享内存，数据库进入离线模式。。

语法：

gserver shutdown

操作演示

[gbasedbt@devsvr ~]$ gserver shutdown
Your evaluation license will expire on 2022-10-14 00:00:00
Your evaluation license will expire on 2022-10-14 00:00:00
onclean: Cleaning up processes and resources for 'gbase8s'...
 - Looking for the shmem key: 52574803
 - Looking for the shmem key: 52574804
 - Looking for semaphore ID: 1310720
 - Looking for the shmem key: 52574801
 - Looking for the shmem key: 52574802
 - Looking for the shmem key: 52574805
onclean: GBase Database Server seems to have shutdown cleanly.
[gbasedbt@devsvr ~]$ gstat -
Your evaluation license will expire on 2022-10-14 00:00:00
shared memory not initialized for GBASEDBTSERVER 'gbase8s'
[gbasedbt@devsvr ~]$