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  • ora-01652无法通过128(在表空间temp中)扩展temp段

    ·
    Select se.username,
        se.sid,
        su.extents,
        su.blocks * to_number(rtrim(p.value)) as Space,
        tablespace,
        segtype,
        sql_text
    from v$sort_usage su, v$parameter p, v$session se, v$sql s
    where p.name = 'db_block_size'
        and su.session_addr = se.saddr
        and s.hash_value = su.sqlhash
        and s.address = su.sqladdr
    order by se.username, se.sid


    --

    查找问题发生时间段15分钟的ash 报告,定位i等待事件是direct path write temp 的sql 


    select count(*) as y0_ from CHK_RECORD_VIEW this_
    insert into OPERATION_LOG (BUSINESS_REF_NO, CREATE_DATETIME, CREATOR, CURRENT_VALUE, MODIFIED_VALUE, MODIFIER, MODIFY_DATETIME, OPERATION_DESC, OPERATION_TYPE, OPERATION_LOG_ID) values (:1 , :2 , :3 , :4 , :5 , :6 , :7 , :8 , :9 , :10 )


    @
    select status,enabled, name, bytes/1024/1024 file_size from v$tempfile;
    ##不计算MAXBYTES
    SELECT temp_used.tablespace_name,
        total - used as "Free",
        total as "Total",
        round(nvl(total - used, 0) * 100 / total, 3) "Free percent"
    FROM (SELECT tablespace_name, SUM(bytes_used) / 1024 / 1024 used
        FROM GV$TEMP_SPACE_HEADER
        GROUP BY tablespace_name) temp_used,
        (SELECT tablespace_name, SUM(bytes) / 1024 / 1024 total
        FROM dba_temp_files
        GROUP BY tablespace_name) temp_total
    WHERE temp_used.tablespace_name = temp_total.tablespace_name

    ##计算MAXBYTES

    SELECT temp_used.tablespace_name,
        total - used as "Free",
        total as "Total",
        round(nvl(total - used, 0) * 100 / total, 3) "Free percent"
    FROM (SELECT tablespace_name, SUM(bytes_used) / 1024 / 1024 used
        FROM GV$TEMP_SPACE_HEADER
        GROUP BY tablespace_name) temp_used,
        (SELECT tablespace_name, SUM(MAXBYTES) / 1024 / 1024 total
        FROM dba_temp_files
        GROUP BY tablespace_name) temp_total
    WHERE temp_used.tablespace_name = temp_total.tablespace_name

    @

    4、扩展临时表空间:

    复制代码
    --方法一、增大临时文件大小:
    SQL> alter database tempfile ‘/u01/app/oracle/oradata/orcl/temp01.dbf’ resize 100m;
    --方法二、将临时数据文件设为自动扩展:
    SQL> alter database tempfile ‘/u01/app/oracle/oradata/orcl/temp01.dbf’ autoextend on next 5m maxsize unlimited;
    --方法三、向临时表空间中添加数据文件:
    SQL> alter tablespace temp add tempfile ‘/u01/app/oracle/oradata/orcl/temp02.dbf’ size 100m AUTOEXTEND ON NEXT 1G MAXSIZE 10g; 
    alter tablespace temp add tempfile ‘/u01/app/oracle/oradata/orcl/temp02.dbf’ size 100m AUTOEXTEND ON NEXT 1G MAXSIZE 32g;

    alter tablespace <tablespace_name> add datafile ‘/u01/app/oracle/oradata/orcl/temp02.dbf’ size 4096m AUTOEXTEND ON NEXT 1G;

    //FOR RAC

    alter tablespace temp add tempfile '+NEW_DATA' size 5m AUTOEXTEND OFF;

    
    

    alter database tempfile '+NEW_DATA/FULLPATH' resize 200m;

    
    
    
     
    复制代码

     查看文件可扩展性

    select file_name,autoextensible from dba_data_files where tablespace_name = 'UNDOTBS1';

    select df.tablespace_name,df.autoextensible from dba_temp_files df where df.autoextensible='NO';

    5.

    --常规查询表空间使用情况
    SELECT Upper(F.TABLESPACE_NAME)         "表空间名",
           D.TOT_GROOTTE_MB                 "表空间大小(M)",
           D.TOT_GROOTTE_MB - F.TOTAL_BYTES "已使用空间(M)",
           To_char(Round(( D.TOT_GROOTTE_MB - F.TOTAL_BYTES ) / D.TOT_GROOTTE_MB * 100, 2), '990.99')
           || '%'                           "使用比",
           F.TOTAL_BYTES                    "空闲空间(M)",
           F.MAX_BYTES                      "最大块(M)"
    FROM   (SELECT TABLESPACE_NAME,
                   Round(Sum(BYTES) / ( 1024 * 1024 ), 2) TOTAL_BYTES,
                   Round(Max(BYTES) / ( 1024 * 1024 ), 2) MAX_BYTES
            FROM   SYS.DBA_FREE_SPACE
            GROUP  BY TABLESPACE_NAME) F,
           (SELECT DD.TABLESPACE_NAME,
                   Round(Sum(DD.BYTES) / ( 1024 * 1024 ), 2) TOT_GROOTTE_MB
            FROM   SYS.DBA_DATA_FILES DD
            GROUP  BY DD.TABLESPACE_NAME) D
    WHERE  D.TABLESPACE_NAME = F.TABLESPACE_NAME
    ORDER  BY 1

    --极端查询表空间使用情况 (有表空间已经100%)
    select a.tablespace_name,all_sum "all_sum(M)",
     to_char(nvl(free_sum,0),'9,999,990.00')||'M' free_,
     to_char(100*nvl(free_sum,0)/all_sum,'900.00')||'%' free_percentage
      from
      (select tablespace_name,sum(bytes)/1024/1024 all_sum
       from dba_data_files
       group by tablespace_name) a,
      (select tablespace_name,sum(bytes)/1024/1024 free_sum
       from dba_free_space
       group by tablespace_name) c
      where
      a.tablespace_name = c.tablespace_name(+)
    order by 4;
    --查询表空间使用率
    SELECT total.tablespace_name,
           Round(total.MB, 2)           AS Total_MB,
           Round(total.MB - free.MB, 2) AS Used_MB,
           Round(( 1 - free.MB / total.MB ) * 100, 2)
           || '%'                       AS Used_Pct
    FROM   (SELECT tablespace_name,
                   Sum(bytes) / 1024 / 1024 AS MB
            FROM   dba_free_space
            GROUP  BY tablespace_name) free,
           (SELECT tablespace_name,
                   Sum(bytes) / 1024 / 1024 AS MB
            FROM   dba_data_files
            GROUP  BY tablespace_name) total
    WHERE  free.tablespace_name = total.tablespace_name;

    select file_id,file_name,tablespace_name,autoextensible from dba_data_files;

    SQL> alter tablespace users add datafile ‘/u01/app/oracle/oradata/orcl/data02.dbf’ size 100m AUTOEXTEND ON NEXT 1G MAXSIZE 10g; 

     d

    @

    http://www.cnblogs.com/vipsoft/archive/2012/11/28/2792431.html

    3.拼接成一句话查询表空间的方法,这里考虑到 表空间可以扩展到的最大空间(maxbytes),而不是当前大小(current bytes)

    SELECT TRIM(DBMS_LOB.SUBSTR(WM_CONCAT(DATAVAL))) VALUE
    FROM (SELECT 'CNT=' || MAX(FLAG) AS DATAVAL
    FROM (SELECT '0' FLAG
    FROM (SELECT a.tablespace_name
    FROM (SELECT tablespace_name, SUM(bytes) free
    FROM dba_free_space
    GROUP BY tablespace_name) a,
    (SELECT tablespace_name,
    SUM(CASE autoextensible
    WHEN 'YES' THEN
    maxbytes
    ELSE
    bytes
    END) maxbytes,
    SUM(bytes) total
    FROM dba_data_files
    GROUP BY tablespace_name) b
    WHERE a.tablespace_name = b.tablespace_name
    and b.tablespace_name NOT IN
    ('UNDOTBS1', 'UNDOTBS2')
    and round((total - free) / b.maxbytes, 4) * 100 < 90)
    UNION ALL
    SELECT '1' FLAG
    FROM (SELECT a.tablespace_name
    FROM (SELECT tablespace_name, SUM(bytes) free
    FROM dba_free_space
    GROUP BY tablespace_name) a,
    (SELECT tablespace_name,
    SUM(CASE autoextensible
    WHEN 'YES' THEN
    maxbytes
    ELSE
    bytes
    END) maxbytes,
    SUM(bytes) total
    FROM dba_data_files
    GROUP BY tablespace_name) b
    WHERE a.tablespace_name = b.tablespace_name
    and b.tablespace_name NOT IN
    ('UNDOTBS1', 'UNDOTBS2')
    and round((total - free) / b.maxbytes, 4) * 100 >= 90)
    UNION ALL
    SELECT '2' FLAG
    FROM (SELECT a.tablespace_name
    FROM (SELECT tablespace_name, SUM(bytes) free
    FROM dba_free_space
    GROUP BY tablespace_name) a,
    (SELECT tablespace_name,
    SUM(CASE autoextensible
    WHEN 'YES' THEN
    maxbytes
    ELSE
    bytes
    END) maxbytes,
    SUM(bytes) total
    FROM dba_data_files
    GROUP BY tablespace_name) b
    WHERE a.tablespace_name = b.tablespace_name
    and b.tablespace_name NOT IN
    ('UNDOTBS1', 'UNDOTBS2')
    and round((total - free) / b.maxbytes, 4) * 100 >= 95))
    UNION ALL
    SELECT TRIM(DBMS_LOB.SUBSTR(WM_CONCAT(ABC))) DATAVAL
    FROM (SELECT 'NAME=' || TABLESPACE_NAME || ':SUM=' || SUM_SPACE ||
    ':USED=' || USED_SPACE AS ABC
    FROM (SELECT D.TABLESPACE_NAME,
    SPACE SUM_SPACE,
    BLOCKS SUM_BLOCKS,
    SPACE - NVL(FREE_SPACE, 0) USED_SPACE
    FROM (SELECT TABLESPACE_NAME,
    ROUND(SUM(BYTES) / (1024 * 1024), 2) SPACE,
    SUM(BLOCKS) BLOCKS
    FROM DBA_DATA_FILES
    GROUP BY TABLESPACE_NAME) D,
    (SELECT TABLESPACE_NAME,
    ROUND(SUM(BYTES) / (1024 * 1024), 2) FREE_SPACE
    FROM DBA_FREE_SPACE
    GROUP BY TABLESPACE_NAME) F
    WHERE D.TABLESPACE_NAME = F.TABLESPACE_NAME(+)) A));

    ---

    这个sql 文件如果执行的结果是cnt=0的话,应该表空间会小于90%。

     只有出现CNT=1,或者CNT=2的时候,才会出现这个报警。那就是表空间大于90%,或者大于95%。

    ---表空间碎片查询

    set pages 999

    col tsname  format     a16 justify c heading 'Tablespace'

    col nfrags  format 999,990 justify c heading 'Free|Frags'

    col mxfrag  format 999,999 justify c heading 'Largest|Frag (MB)'

    col totsiz  format 999,999 justify c heading 'Total|(MB)'

    col avasiz  format 999,999 justify c heading 'Available|(MB)'

    col pctusd  format     990 justify c heading 'Pct|Used'

    select total.TABLESPACE_NAME tsname,

           D nfrags,

           C/1024/1024 mxfrag,

           A/1024/1024 totsiz,

           B/1024/1024 avasiz,

           (1-nvl(B,0)/A)*100 pctusd

    from

        (select sum(bytes) A,

                tablespace_name

               from dba_data_files

               group by tablespace_name) TOTAL,

       (select sum(bytes) B,

               max(bytes) C,

               count(bytes) D,

               tablespace_name

               from dba_free_space

                group by tablespace_name) FREE

    where

          total.TABLESPACE_NAME=free.TABLESPACE_NAME(+)

    /

    ---

    通过dbms_lob.substr()转换clob字段为varchar2类型

    http://blog.csdn.net/liou825/article/details/7971865

    --

    首先让我们来看看这个神奇的函数wm_concat(列名),该函数可以把列值以","号分隔起来,并显示成一行,接下来上例子,看看这个神奇的函数如何应用
    准备测试数据

    http://blog.csdn.net/ojerryzuo/article/details/53927057

    --issue 3:


    ###
    sql slowly:  等待事件; event:direct path read

    144892689q1bn:

    select '- username= ->', username "username", '- time_stamp= ->', to_char(timestamp, 'DD-MON-YYYY HH24:MI:SS') "time_stamp", '- statement= ->', action_name "statement", '- os_username= ->', os_username "os_username", '- userhost= ->', userhost "userhost", '- code= ->', returncode||decode(returncode, '1004', '-Wrong Connection', '1005', '-NULL Password', '1017', '-Wrong Password', '1045', '-Insufficient Priviledge', '0', '-Login Accepted', '--') "returncode" from sys.dba_audit_session
    where (sysdate - timestamp)*24 < 0.05 and returncode <> 0 and username != 'DB' order by timestamp

    fix: 清空aud$文件:


    -- 取消所有已配置的审计项目
    NOAUDIT ALL PRIVILEGES;
    NOAUDIT ALL STATEMENTS;
    NOAUDIT CREATE SESSION BY DBMONOPR;
    NOAUDIT CREATE SESSION BY IQMSDATA;
    NOAUDIT CREATE SESSION BY IQMSOPR;
    NOAUDIT PUBLIC SYNONYM;
    NOAUDIT DATABASE LINK;
    NOAUDIT ROLE;
    NOAUDIT PROFILE;
    NOAUDIT DIRECTORY;
    NOAUDIT SYSTEM GRANT;
    NOAUDIT EXEMPT ACCESS POLICY;

    -- 确认已没有审计项目
    select * from DBA_PRIV_AUDIT_OPTS;
    select * from DBA_STMT_AUDIT_OPTS;


    -- 删除已有的审计记录
    select count(*) from sys.aud$;
    CREATE TABLE backup_aud AS SELECT * from sys.aud$;
    truncate table aud$;

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  • 原文地址:https://www.cnblogs.com/feiyun8616/p/6408550.html
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