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标签归档:_kks_parse_error_warning
WARNING: too many parse errors
从12.2开始,如果sql解析失败超过一定次数,会在alert日志中记录类似警告信息,便于对其进行排查
2020-01-05T20:30:50.559569+08:00 ARC0 (PID:29542): Archived Log entry 25044 added for T-1.S-12532 ID 0x6564f341 LAD:1 2020-01-05T20:30:50.626457+08:00 TT02 (PID:29552): SRL selected for T-1.S-12533 for LAD:2 2020-01-05T20:40:34.688814+08:00 WARNING: too many parse errors, count=1551097 SQL hash=0xec3987d3 PARSE ERROR: ospid=2240, error=923 for statement: 2020-01-05T20:40:34.688981+08:00 SELECT 1 Additional information: hd=0xef18d268 phd=0xee42c9c8 flg=0x28 cisid=106 sid=106 ciuid=106 uid=106 sqlid=4bwp0wrq3m1ym ...Current username=XIFENFEI ...Application: JDBC Thin Client Action: 2020-01-05T21:00:50.528469+08:00 Thread 1 advanced to log sequence 12534 (LGWR switch) Current log# 4 seq# 12534 mem# 0: /u01/app/oracle/oradata/XFF/redo04.log Current log# 4 seq# 12534 mem# 1: /u01/app/oracle/fast_recovery_area/XFF/onlinelog/redo04.log 2020-01-05T21:00:50.572028+08:00 ARC1 (PID:29546): Archived Log entry 25046 added for T-1.S-12533 ID 0x6564f341 LAD:1 2020-01-05T21:00:50.636035+08:00 TT02 (PID:29552): SRL selected for T-1.S-12534 for LAD:2 2020-01-05T21:05:32.671478+08:00 WARNING: too many parse errors, count=1551197 SQL hash=0xec3987d3 PARSE ERROR: ospid=4172, error=923 for statement: 2020-01-05T21:05:32.671641+08:00 SELECT 1 Additional information: hd=0xef18d268 phd=0xee42c9c8 flg=0x28 cisid=106 sid=106 ciuid=106 uid=106 sqlid=4bwp0wrq3m1ym ...Current username=XIFENFEI ...Application: JDBC Thin Client Action:
通过查询mos,确认相关记录是通过_kks_parse_error_warning参数来控制,默认每100次解析失败写入alert日志一次
[oracle@kage28 trace]$ sqlplus / as sysdba SQL*Plus: Release 19.0.0.0.0 - Production on Sun Jan 5 21:23:21 2020 Version 19.3.0.0.0 Copyright (c) 1982, 2019, Oracle. All rights reserved. Connected to: Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production Version 19.3.0.0.0 SQL> col name for a52 SQL> col value for a24 SQL> col description for a50 set linesize 150 select a.ksppinm name,b.ksppstvl value,a.ksppdesc description from x$ksppi a,x$ksppcv b where a.inst_id = USERENV ('Instance') and b.inst_id = USERENV ('Instance') and a.indx = b.indx and upper(a.ksppinm) LIKE upper('%¶m%') SQL> SQL> 2 3 4 5 6 7 order by name 8 / Enter value for param: _kks_parse_error_warning old 6: and upper(a.ksppinm) LIKE upper('%¶m%') new 6: and upper(a.ksppinm) LIKE upper('%_kks_parse_error_warning%') NAME VALUE DESCRIPTION ---------------------------------------------------- ------------------------ ---------------------- _kks_parse_error_warning 100 Parse error warning
由于某种原因,解析错误sql,短期内无法进行修改,又不想让其在alert中提示,可以通过设置该值为0,实现让其不记录在alert日志中
alter system set "_kks_parse_error_warning"=0;
在12.2之前版本,解析错误默认不记录到alert日志中,但是也可以通过event 10035实现类似功能,具体参见:failed parse elapsed time过大分析案例