• oracle 日志满、数据库空间不足的处理


     客户反映宽带认证服务器,认证日志、认证详单没有且部分宽带用户有掉线现象

      --处理过程

         1.查看磁盘空间使用情况

          df -h   

        发现有一磁盘使用100%

        2.经过分析发现数据库日志异常大,清理相关日志

    --10G

      /u01/app/oracle/diag/tnslsnr/RADIUS1/listener/alert
    --400M
      /u01/app/oracle/diag/tnslsnr/RADIUS1/listener/trace
    --6G
     /u01/app/oracle/diag/rdbms/radius/radius/trace
    --3G
      /u01/app/oracle/diag/rdbms/radius/radius/alert

     3.查看数据库空间使用情况

    select dbf.tablespace_name,
    dbf.totalspace
    dbf.totalblocks ,
    dfs.freespace,
    dfs.freeblocks,
    round((dfs.freespace / dbf.totalspace) * 100,2)||'%',
    from (select t.tablespace_name,
    sum(t.bytes) / 1024 / 1024 totalspace,
    sum(t.blocks) totalblocks
    from dba_data_files t
    group by t.tablespace_name) dbf,
    (select tt.tablespace_name,
    sum(tt.bytes) / 1024 / 1024 freespace,
    sum(tt.blocks) freeblocks
    from dba_free_space tt
    group by tt.tablespace_name) dfs
    where trim(dbf.tablespace_name) = trim(dfs.tablespace_name);

    users 空间已满 添加 表空间

    alter tablespace users add datafile '/home/oradata/radius/radius/users02.dbf' size 4096m autoextend on ;

    4.以上处理完成,查看宽带认证日志,宽带认证详单已正常

    5.编写shell 脚本定期清日志

      

    #!/bin/bash
    find /u01/app/oracle/diag/tnslsnr/RADIUS1/listener/alert -name 'log_*.xml' -type f -exec rm -f {} ;
    cat /dev/null>/u01/app/oracle/diag/tnslsnr/RADIUS1/listener/trace/listener.log
    find /u01/app/oracle/diag/rdbms/radius/radius/alert -name 'log_*.xml' -type f -exec rm -f {} ;
    cat /dev/null>/u01/app/oracle/diag/rdbms/radius/radius/trace/alert_radius.log

    6.添加计划任务

    30 2 */7 * * /home/radius/tools/clear_oracle_log.sh

    取之与网,用之与网,奉献之道,虽微必签
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  • 原文地址:https://www.cnblogs.com/dayoff/p/12008454.html
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