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【DUMP命令】Oracle的dump命令(转载)

原创 Linux操作系统 作者:chicheng_cn421 时间:2011-04-28 14:51:58 0 删除 编辑
 

一.Memory Dumps

  1).Global Area

  ALTER SESSION SET EVENTS ‘immediate trace name global_area level n’;

  1 包含PGA

  2 包含SGA

  4 包含UGA

  8 包含indrect memory

  2).Library Cache

  ALTER SESSION SET EVENTS ‘immediate trace name library_cache level n’;

  1 library cache统计信息

  2 包含hash table histogram

  3 包含object handle

  4 包含object结构(Heap 0)

  3).Row Cache

  ALTER SESSION SET EVENTS ‘immediate trace name row_cache level n’;

  1 row cache统计信息

  2 包含hash table histogram

  8 包含object结构

  4).Buffers

  ALTER SESSION SET EVENTS ‘immediate trace name buffers level n’;

  1 buffer header

  2 level 1 + block header

  3 level 2 + block contents

  4 level 1 + hash chain

  5 level 2 + hash chain

  6 level 3 + hash chain

  8 level 4 + users/waiters

  9 level 5 + users/waiters

  10 level 6 + users/waiters

  5).Buffer

  ALTER SESSION SET EVENTS ‘immediate trace name buffer level n’;

  n为某个指定block的rdba,该命令可以转储某个block在buffer中的所有版本。

  6).Heap

  ALTER SESSION SET EVENTS ‘immediate trace name heapdump level level’;

  1 PGA摘要

  2 SGA摘要

  4 UGA摘要

  8 Current call(CGA)摘要

  16 User call(CGA)摘要

  32 Large call(LGA)摘要

  1025 PGA内容

  2050 SGA内容

  4100 UGA内容

  8200 Current call内容

  16400 User call内容

  32800 Large call内容

  7).Sub Heap

  Oracle 9.0.1版本之前

  ALTER SESSION SET EVENTS ‘immediate trace name heapdump_addr level n’;

  若n为subheap的地址,转储的是subheap的摘要信息

  若n为subheap的地址+1,转储的则是subheap的内容

  Oracle 9.2.0版本之后

  ALTER SESSION SET EVENTS ‘immediate trace name heapdump_addr level n, addr m’;

  其中m为subheap的地址

  n为1转储subheap的摘要,n为2转储subheap的内容

  8).Process State

  ALTER SESSION SET EVENTS ‘immediate trace name processstate level n’;

  9).System State

  ALTER SESSION SET EVENTS ‘immediate trace name systemstate level n’;

  10).Error State

  ALTER SESSION SET EVENTS ‘immediate trace name errorstack level n’;

  0 Error stack

  1 level 0 + function call stack

  2 level 1 + process state

  3 level 2 + context area

  11).Hang Analysis

  ALTER SESSION SET EVENTS ‘immediate trace name hanganalyze level n’;

  12).Work Area

  ALTER SESSION SET EVENTS ‘immediate trace name workareatab_dump level n’;
 1 SGA信息

  2 Workarea Table摘要信息

  3 Workarea Table详细信息

  13).Latches

  ALTER SESSION SET EVENTS ‘immediate trace name latches level n’;

  1 latch信息

  2 统计信息

  14).Events

  ALTER SESSION SET EVENTS ‘immediate trace name events level n’;

  1 session

  2 process

  3 system

  15).Locks

  ALTER SESSION SET EVENTS ‘immediate trace name locks level n’;

  16).Shared Server Process

  ALTER SESSION SET EVENTS ‘immediate trace name shared_server_state level n’;

  n取值为1~14

  17).Background Messages

  ALTER SESSION SET EVENTS ‘immediate trace name bg_messages level n’;

  n为pid+1


  二.File Dumps
  1).Block

  Oracle 7之前

  ALTER SESSION SET EVENTS ‘immediate trace name blockdump level n’;

  n为block的rdba

  Oracle8以后

  ALTER SYSTEM DUMP DATAFILE file# BLOCK block#;

  ALTER SYSTEM DUMP DATAFILE file#

  BLOCK MIN minimum_block#

  BLOCK MAX maximum_block#;

  2).Tree Dump

  ALTER SESSION SET EVENTS ‘immediate trace name treedump level n’;

  n为object_id

  3).Undo Segment Header

  ALTER SYSTEM DUMP UNDO_HEADER ’segment_name’;

  4).Undo for a Transaction

  ALTER SYSTEM DUMP UNDO BLOCK ’segment_name’ XID xidusn xidslot xidsqn;

  5).File Header

  ALTER SESSION SET EVENTS ‘immediate trace name file_hdrs level n’;

  1 控制文件中的文件头信息

  2 level 1 + 文件头信息

  3 level 2 + 数据文件头信息

  10 level 3

  6).Control file

  ALTER SESSION SET EVENTS ‘immediate trace name controlf level n’;

  1 文件头信息

  2 level 1 + 数据库信息 + 检查点信息

  3 level 2 + 可重用节信息

  10 level 3

  7).Redo log Header

  ALTER SESSION SET EVENTS ‘immediate trace name redohdr level n’;

  1 控制文件中的redo log信息

  2 level 1 + 文件头信息

  3 level 2 + 日志文件头信息

  10 level 3

  8).Redo log

  ALTER SYSTEM DUMP LOGFILE ‘FileName’;

  ALTER SYSTEM DUMP LOGFILE ‘FileName’

  SCN MIN MinimumSCN

  SCN MAX MaximumSCN

  TIME MIN MinimumTime

  TIME MAX MaximumTime

  LAYER Layer

  OPCODE Opcode

  DBA MIN FileNumber . BlockNumber

  DBA MAX FileNumber . BlockNumber

  RBA MIN LogFileSequenceNumber . BlockNumber

  RBA MAX LogFileSequenceNumber . BlockNumber;

  其中time = (((((yyyy – 1988)) * 12 + mm – 1) * 31 + dd – 1) * 24 + hh) * 60 + mi) * 60 + ss;

  9).Loghist

  ALTER SESSION SET EVENTS ‘immediate trace name loghist level n’;

  1 dump控制文件中最早和最迟的日志历史项

  1 dump 2^n个日志历史项

来自 “ ITPUB博客 ” ,链接:http://blog.itpub.net/20335819/viewspace-694008/,如需转载,请注明出处,否则将追究法律责任。

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