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  • oracle 查询 归档日志最大值和平均值

    select max(ss.size_GB), avg(ss.size_GB)
      from (select s.*, rownum rn2
              from (select a.*
                      from (select t1.*, rownum rn
                              from (SELECT TRUNC(FIRST_TIME) time,
                                           SUM(BLOCK_SIZE * BLOCKS) / 1024 / 1024 / 1024 size_GB
                                      FROM V$ARCHIVED_LOG
                                     GROUP BY TRUNC(FIRST_TIME)
                                     order by time desc) t1) a
                     where a.rn > 1
                     order by a.time asc) s) ss
     where ss.rn2 > 1;

    ----查询ASM使用率

    select group_number,name,total_mb/1024 TGB,free_mb/1024 FGB,USABLE_FILE_MB/1024  from v$asm_diskgroup;

    ---RAC 查询单节点日归档大小

    select to_char(b.FIRST_TIME, 'yyyy-mm-dd') arch_date,
           round(sum(b.BLOCKS * b.BLOCK_SIZE / 1024 / 1024/1024), 2) "ARCH_SIZE(GB)"
      from v$archived_log b
     where b.CREATOR = 'ARCH'
       and b.STANDBY_DEST = 'NO'
       and b.archived = 'YES'
       and b.dest_id = 1
       and b.FIRST_TIME >= sysdate - 15
       and b.FIRST_TIME < trunc(sysdate)
     group by to_char(FIRST_TIME, 'yyyy-mm-dd')
     order by 1;

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  • 原文地址:https://www.cnblogs.com/ss-33/p/8718430.html
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