0071.O 1.5.2oceanbase日志循环配置-日志空间满处理过程

[admin@ob3 ~]$ df -Th home
Filesystem              Type  Size  Used Avail Use% Mounted on
/dev/mapper/centos-home ext4   30G   30G   0G  100% home
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[admin@ob3 ~]$ du -sh *
4.0K  1host-3ob-cluster.yaml
28G  oceanbase
[admin@ob3 ~]$ cd oceanbase/
[admin@ob3 oceanbase]$ ls
1  2  3
[admin@ob3 oceanbase]$ du -sh *
7.9G  1
7.5G  2
13G  3
[admin@ob3 oceanbase]$ du -sh 3/*
4.0K  3/admin
12K  3/etc
12K  3/etc2
12K  3/etc3
13G  3/log
8.0K  3/run
0  3/store
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obclient> alter system set enable_syslog_recycle=true;
Query OK, 0 rows affected (0.09 sec)
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MySQL [(none)]> show parameters like '%enable_syslog_recycle%';  
+-------+----------+-----------+----------+-----------------------+-----------+-------+---------------------------------------------------------------------------------------------+----------+---------+---------+-------------------+
| zone  | svr_type | svr_ip    | svr_port | name                  | data_type | value | info                                                                                        | section  | scope   | source  | edit_level        |
+-------+----------+-----------+----------+-----------------------+-----------+-------+---------------------------------------------------------------------------------------------+----------+---------+---------+-------------------+
| zone3 | observer | 127.0.0.1 |     4882 | enable_syslog_recycle | NULL      | True  | specifies whether log file recycling is turned on. Value: True:turned on; False: turned off | OBSERVER | CLUSTER | DEFAULT | DYNAMIC_EFFECTIVE |
| zone2 | observer | 127.0.0.1 |     3882 | enable_syslog_recycle | NULL      | True  | specifies whether log file recycling is turned on. Value: True:turned on; False: turned off | OBSERVER | CLUSTER | DEFAULT | DYNAMIC_EFFECTIVE |
| zone1 | observer | 127.0.0.1 |     2882 | enable_syslog_recycle | NULL      | True  | specifies whether log file recycling is turned on. Value: True:turned on; False: turned off | OBSERVER | CLUSTER | DEFAULT | DYNAMIC_EFFECTIVE |
+-------+----------+-----------+----------+-----------------------+-----------+-------+---------------------------------------------------------------------------------------------+----------+---------+---------+-------------------+
3 rows in set (0.016 sec)
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obclient> alter system set max_syslog_file_count=10;
Query OK, 0 rows affected (0.08 sec)
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MySQL [(none)]> show parameters like '%max_syslog_file_count%';
+-------+----------+-----------+----------+-----------------------+-----------+-------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+----------+---------+---------+-------------------+
| zone  | svr_type | svr_ip    | svr_port | name                  | data_type | value | info                                                                                                                                                                                                                                             | section  | scope   | source  | edit_level        |
+-------+----------+-----------+----------+-----------------------+-----------+-------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+----------+---------+---------+-------------------+
| zone2 | observer | 127.0.0.1 |     3882 | max_syslog_file_count | NULL      | 10    | specifies the maximum number of the log files that can co-exist before the log file recycling kicks in. Each log file can occupy at most 256MB disk space. When this value is set to 0, no log file will be removed. Range: [0, +∞) in integer   | OBSERVER | CLUSTER | DEFAULT | DYNAMIC_EFFECTIVE |
| zone3 | observer | 127.0.0.1 |     4882 | max_syslog_file_count | NULL      | 10    | specifies the maximum number of the log files that can co-exist before the log file recycling kicks in. Each log file can occupy at most 256MB disk space. When this value is set to 0, no log file will be removed. Range: [0, +∞) in integer   | OBSERVER | CLUSTER | DEFAULT | DYNAMIC_EFFECTIVE |
| zone1 | observer | 127.0.0.1 |     2882 | max_syslog_file_count | NULL      | 10    | specifies the maximum number of the log files that can co-exist before the log file recycling kicks in. Each log file can occupy at most 256MB disk space. When this value is set to 0, no log file will be removed. Range: [0, +∞) in integer   | OBSERVER | CLUSTER | DEFAULT | DYNAMIC_EFFECTIVE |
+-------+----------+-----------+----------+-----------------------+-----------+-------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+----------+---------+---------+-------------------+
3 rows in set (0.016 sec)
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[admin@ob3 ~]$ df -Th home
Filesystem              Type  Size  Used Avail Use% Mounted on
/dev/mapper/centos-home ext4   30G   16G   13G  56% home
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[admin@ob3 ~]$ cd oceanbase/3/log
[admin@ob3 log]$ du -sh *
154M  election.log
257M  election.log.20210717135834
257M  election.log.20210717142732
129M  election.log.wf
196M  election.log.wf.20210717135834
225M  election.log.wf.20210717142732
210M  observer.log
257M  observer.log.20210717094420
257M  observer.log.20210717103300
257M  observer.log.20210717111741
257M  observer.log.20210717121149
257M  observer.log.20210717125650
257M  observer.log.20210717132204
257M  observer.log.20210717135635
257M  observer.log.20210717140656
257M  observer.log.20210717142621
257M  observer.log.20210717143958
50M  observer.log.wf
11M  observer.log.wf.20210717094420
11M  observer.log.wf.20210717103300
21M  observer.log.wf.20210717111741
13M  observer.log.wf.20210717121149
38M  observer.log.wf.20210717125650
55M  observer.log.wf.20210717132204
45M  observer.log.wf.20210717135635
92M  observer.log.wf.20210717140656
68M  observer.log.wf.20210717142621
78M  observer.log.wf.20210717143958
131M  rootservice.log
257M  rootservice.log.20210716232113
257M  rootservice.log.20210717034416
257M  rootservice.log.20210717075924
257M  rootservice.log.20210717120926
257M  rootservice.log.20210717142034
94M  rootservice.log.wf
7.7M  rootservice.log.wf.20210716232113
1.9M  rootservice.log.wf.20210717034416
2.3M  rootservice.log.wf.20210717075924
9.4M  rootservice.log.wf.20210717120926
135M  rootservice.log.wf.20210717142034
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