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  • MMON Slave日志[KDL_TRIM]: NEWLEN: MESSAGES

    有网友反映windows 2003 上的10.2.0.4数据库,MMON的Slave后台进程报带有NEWLEN: MESSAGES的相关日志,如:
    
    *** ACTION NAME:(Auto ADDM Slave Action) 2011-09-09 18:00:12.053
    *** MODULE NAME:(MMON_SLAVE) 2011-09-09 18:00:12.053
    *** SERVICE NAME:(SYS$BACKGROUND) 2011-09-09 18:00:12.053
    *** SESSION ID:(797.606) 2011-09-09 18:00:12.053
    [kdl_trim]: newlen: 0
    [kdl_trim]: newlen: 0
    [kdl_trim]: newlen: 0
    [kdl_trim]: newlen: 0
    [kdl_trim]: newlen: 0
    [kdl_trim]: newlen: 0
    [kdl_trim]: newlen: 0
    [kdl_trim]: newlen: 0
    [kdl_trim]: newlen: 0
    [kdl_trim]: newlen: 0
    [kdl_trim]: newlen: 0
    [kdl_trim]: newlen: 0
    
    
    这一般是由于10.2.0.4上已经confirmed的bug:"Bug 6972843 - Unnecessary trace files with "[kdl_trim]: newlen" text in them [ID 6972843.8]"所引起的,在bug目前确认仅在10.2.0.4上发生,而到10.2.0.4.1中已经被修复了。 主要是MMON的辅助slave进程会不必要地输出如"[kdl_trim]: newlen: 0"的日志信息:
    
    Unnecessary trace files may be generated with entries that read:'[kdl_trim]: newlen: '.
     
    Hdr: 9600827 10.2.0.4 RDBMS 10.2.0.4 RAM LOBS PRODID-5 PORTID-212
    Abstract: [KDL_TRIM]: NEWLEN: MESSAGES IN MMON SLAVES TRACES
    
    PROBLEM:
    --------
    MMON slave processes traces contains the following entries despite patch 
    6972843 applied
    
    *** NAME:(Auto ADDM Slave Action) 2010-04-14 06:00:42.899
    *** NAME:(MMON_SLAVE) 2010-04-14 06:00:42.899
    *** NAME:(SYS$BACKGROUND) 2010-04-14 06:00:42.899
    *** ID:(2472.45569) 2010-04-14 06:00:42.899
    [kdl_trim]: newlen: 0
    [kdl_trim]: newlen: 0
    [kdl_trim]: newlen: 0
    [kdl_trim]: newlen: 0
    [kdl_trim]: newlen: 0
    [kdl_trim]: newlen: 0
    [kdl_trim]: newlen: 0
    [kdl_trim]: newlen: 0
    
    DIAGNOSTIC ANALYSIS:
    --------------------
    - Opatch contains patch 6972843 applied
    
    WORKAROUND:
    -----------
    none
    
    RELATED BUGS:
    -------------
    Bug 6972843 - HOURLY TRACE FILE CREATED IN BDUMP FOR AUTO ADDM SLAVE ACTION
    
    该bug可以被忽略,但是如果日志产生过于频繁的话可以考虑升级10.2.0.4的PSU或者直接升级到10.2.0.5。
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  • 原文地址:https://www.cnblogs.com/macleanoracle/p/2967976.html
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