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最近发表
- ORA-00600: internal error code, arguments: [16703], [1403], [4] 原因
- 最近遇到几起ORA-600 16703故障(tab$被清空),请引起重视
- ORA-600 2662快速恢复之Patch scn工具
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- 近期又遇到ORA-600 16703和ORA-702故障
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- Oracle 19c/21c最新patch信息-202401
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标签归档:UNIFORM_LOG_TIMESTAMP_FORMAT
UNIFORM_LOG_TIMESTAMP_FORMAT—控制alert日志时间格式
细心的朋友可能注意到了在12.2中oracle alert日志的时间格式显示发生了改变,根据对oracle的理解,一般新特性有event或者参数进行控制的,通过分析确定是由于UNIFORM_LOG_TIMESTAMP_FORMAT进行控制的
2018-06-13T19:52:30.014659+08:00 RFS[21]: Selected log 12 for T-1.S-5589 dbid 1787743346 branch 957530932 2018-06-13T11:52:30.473314+00:00 Archived Log entry 5178 added for T-1.S-5582 ID 0x6a8e9d72 LAD:1
UNIFORM_LOG_TIMESTAMP_FORMAT修改为false
[oracle@xff ~]$ ss SQL*Plus: Release 12.2.0.1.0 Production on Wed Jun 13 19:52:59 2018 Copyright (c) 1982, 2016, Oracle. All rights reserved. Connected to: Oracle Database 12c Enterprise Edition Release 12.2.0.1.0 - 64bit Production SQL> show parameter UNIFORM_LOG_TIMESTAMP_FORMAT ; NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ uniform_log_timestamp_format boolean TRUE SQL> alter system set uniform_log_timestamp_format=false; System altered.
验证UNIFORM_LOG_TIMESTAMP_FORMAT=false效果
018-06-13T19:53:16.374197+08:00 RFS[19]: Selected log 14 for T-1.S-5120 dbid 1787743346 branch 957530932 2018-06-13T11:53:16.782388+00:00 Archived Log entry 5181 added for T-1.S-5117 ID 0x6a8e9d72 LAD:1 2018-06-13T19:53:19.797345+08:00 RFS[18]: Selected log 11 for T-1.S-5121 dbid 1787743346 branch 957530932 2018-06-13T11:53:20.268621+00:00 Archived Log entry 5182 added for T-1.S-5118 ID 0x6a8e9d72 LAD:1 Wed Jun 13 19:53:35 2018 ALTER SYSTEM SET uniform_log_timestamp_format=FALSE SCOPE=BOTH; Wed Jun 13 11:53:37 2018 Wed Jun 13 19:53:37 2018 RFS[21]: Selected log 13 for T-1.S-5596 dbid 1787743346 branch 957530932 Wed Jun 13 11:53:38 2018 Archived Log entry 5183 added for T-1.S-5589 ID 0x6a8e9d72 LAD:1
UNIFORM_LOG_TIMESTAMP_FORMAT修改为true
SQL> alter system set uniform_log_timestamp_format=true; System altered. SQL>
验证UNIFORM_LOG_TIMESTAMP_FORMAT=true效果
Wed Jun 13 11:54:07 2018 Media Recovery Waiting for thread 1 sequence 5122 (in transit) Wed Jun 13 11:54:07 2018 Recovery of Online Redo Log: Thread 1 Group 10 Seq 5122 Reading mem 0 Mem# 0: /u01/app/oracle/oradata/xifenfei/std_redo10.log 2018-06-13T19:54:23.396030+08:00 ALTER SYSTEM SET uniform_log_timestamp_format=TRUE SCOPE=BOTH; 2018-06-13T11:54:24.597999+00:00 2018-06-13T19:54:24.615045+08:00 RFS[21]: Selected log 11 for T-1.S-5601 dbid 1787743346 branch 957530932 2018-06-13T11:54:25.054848+00:00 Archived Log entry 5187 added for T-1.S-5596 ID 0x6a8e9d72 LAD:1