非IMU模式下DML語句產生的REDO日誌內容格式解讀

還不算暈發表於2014-01-06
實驗內容:非IMU模式下DML語句產生的REDO日誌內容格式解讀,資料庫版本:11.2.0.4
最詳細的解讀是UPDATE的。

實驗環境準備

11G中預設是開啟IMU特性的,做此實驗需要關閉此特性。
alter system set "_in_memory_undo"=false;
alter system set "_in_memory_undo"=true;  --實驗結束後使用此語句改回使用IMU特性。
修改引數完成後,重啟資料庫:
shutdown immediate;
startup;
準備好實驗用的表----BYS.DEPT表。
SYS@ bys3>select object_id from dba_objects where object_name='DEPT';
 OBJECT_ID
----------
     22327
SYS@ bys3>select * from bys.dept;
    DEPTNO DNAME          LOC
---------- -------------- -------------
        10 ACCOUNTING     NEW YORK
        20 RESEARCH       DALLAS
        40 OPERATIONS     BOSTON
        11 chedan         bj
        22 test           sh       
BYS@ bys3>col file_name for a35
SYS@ bys3>col name for a15
SYS@ bys3>select a.file_id,b.ts#,b.name,a.file_name from dba_data_files a,v$tablespace b where a.TABLESPACE_NAME=b.name;
   FILE_ID        TS# NAME            FILE_NAME
---------- ---------- --------------- -----------------------------------
         1          0 SYSTEM          /u01/oradata/bys3/system01.dbf
         2          1 SYSAUX          /u01/oradata/bys3/sysaux01.dbf
         3          2 UNDOTBS1        /u01/oradata/bys3/undotbs01.dbf
         4          4 USERS           /u01/oradata/bys3/user01.dbf
###################################################
開始實驗分三步,分別是插入、更新、刪除語句的操作。最詳細的解讀是UPDATE的。

實驗一:insert 操作的REDO日誌解讀

會話1: --SYS使用者切換日誌並查出當前日誌名:
SYS@ bys3>alter system switch logfile;
System altered.
col  MEMBER for a30
SYS@ bys3>select a.group#,a.sequence#,a.archived,a.status,b.type,b.member from v$log a,v$logfile b where a.group#=b.group#;
    GROUP#  SEQUENCE# ARC STATUS           TYPE    MEMBER
---------- ---------- --- ---------------- ------- ------------------------------
         1        310 NO  CURRENT          ONLINE  /u01/oradata/bys3/redo01.log
         2        308 YES INACTIVE         ONLINE  /u01/oradata/bys3/redo02.log
         3        309 YES ACTIVE           ONLINE  /u01/oradata/bys3/redo03.log
普通使用者做插入語句:
SYS@ bys3>conn bys/bys
select * from dept;
Connected.
BYS@ bys3>
    DEPTNO DNAME          LOC
---------- -------------- -------------
        10 ACCOUNTING     NEW YORK
        20 RESEARCH       DALLAS
        40 OPERATIONS     BOSTON
        11 chedan         bj
        22 test           sh
BYS@ bys3>set time on
20:34:07 BYS@ bys3>insert into dept values(33,'imutest','hz');
1 row created.
20:34:12 BYS@ bys3>commit;
Commit complete.

會話2:DUMP當前REDO日誌:

SYS@ bys3>alter system dump logfile '/u01/oradata/bys3/redo01.log';
System altered.
SYS@ bys3>select value from v$diag_info where name like 'De%' ;
VALUE
----------------------------------------------------------------------------------------------------
/u01/diag/rdbms/bys3/bys3/trace/bys3_ora_29063.trc
######################
檢視此TRACE檔案: 方法是:vi /u01/diag/rdbms/bys3/bys3/trace/bys3_ora_29063.trc 然後搜尋修改的物件的OBJECT_ID--     22327
詳解參考下一步的UPDATE的REDO講解。
REDO RECORD - Thread:1 RBA: 0x000136.0000000d.0010 LEN: 0x01a0 VLD: 0x05
SCN: 0x0000.00702f08 SUBSCN:  1 01/06/2014 20:34:13
(LWN RBA: 0x000136.0000000d.0010 LEN: 0002 NST: 0001 SCN: 0x0000.00702f08)
CHANGE #1 TYP:0 CLS:21 AFN:3 DBA:0x00c000a0 OBJ:4294967295 SCN:0x0000.00702eda SEQ:1 OP:5.2 ENC:0 RBL:0
ktudh redo: slt: 0x0003 sqn: 0x00000eaa flg: 0x0012 siz: 112 fbi: 0
            uba: 0x00c01ac7.0250.25    pxid:  0x0000.000.00000000
CHANGE #2 TYP:0 CLS:22 AFN:3 DBA:0x00c01ac7 OBJ:4294967295 SCN:0x0000.00702ed9 SEQ:3OP:5.1 ENC:0 RBL:0
ktudb redo: siz: 112 spc: 3494 flg: 0x0012 seq: 0x0250 rec: 0x25
            xid:  0x0003.003.00000eaa
ktubl redo: slt: 3 rci: 0 opc: 11.1 [objn: 22327 objd: 22327 tsn: 4]    ------- tsn: 4插入的這個是在表空間號為4--OBJ:22327--是插入的物件的OBJECT_ID
Undo type:  Regular undo        Begin trans    Last buffer split:  No
Temp Object:  No
Tablespace Undo:  No
             0x00000000  prev ctl uba: 0x00c01ac7.0250.22
prev ctl max cmt scn:  0x0000.007029ac  prev tx cmt scn:  0x0000.007029d6
txn start scn:  0xffff.ffffffff  logon user: 32  prev brb: 12589763  prev bcl: 0 BuExt idx: 0 flg2: 0
KDO undo record:
KTB Redo
op: 0x03  ver: 0x01
compat bit: 4 (post-11) padding: 1
op: Z
KDO Op code: DRP row dependencies Disabled
  xtype: XA flags: 0x00000000  bdba: 0x010000ff  hdba: 0x010000fa
itli: 1  ispac: 0  maxfr: 4858
tabn: 0 slot: 0(0x0)
CHANGE #3 TYP:0 CLS:1 AFN:4 DBA:0x010000ff OBJ:22327 SCN:0x0000.003eec75 SEQ:1 OP:11.2 ENC:0 RBL:0   --OP:11.2 這個應該是插入的操作的了。
KTB Redo               -----AFN:4插入的這個是在4號資料檔案中--OBJ:22327--是插入的物件的OBJECT_ID
op: 0x01  ver: 0x01
compat bit: 4 (post-11) padding: 1
op: F  xid:  0x0003.003.00000eaa    uba: 0x00c01ac7.0250.25
KDO Op code: IRP row dependencies Disabled
  xtype: XA flags: 0x00000000  bdba: 0x010000ff  hdba: 0x010000fa
itli: 1  ispac: 0  maxfr: 4858
tabn: 0 slot: 0(0x0) size/delt: 17
fb: --H-FL-- lb: 0x1  cc: 3
null: ---
col  0: [ 2]  c1 22    ---插入語句是:insert into dept values(33,'imutest','hz');  對應是:select dump(33,16) from dual;  --要注意數字在DUMP時不要加單引號
col  1: [ 7]  69 6d 75 74 65 73 74    --對應select dump('imutest',16) from dual;    [7]--中括號裡的是位元組數,col  1:對應的是第二列,
col  2: [ 2]  68 7a    ---對應 select dump('hz',16) from dual;    --中括號裡的是位元組數  col  2: 對應 的是第三列
select chr(to_number(substr(replace('69 6d 75 74 65 73 74',' '),rownum*2-1,2),'xxxxxxxxxxxxxxxx')) from v$bh where rownum<11;
CHR(
----
i
m
u
t
e
s
t
REDO RECORD - Thread:1 RBA: 0x000136.0000000d.01b0 LEN: 0x0060 VLD: 0x01
SCN: 0x0000.00702f09 SUBSCN:  1 01/06/2014 20:34:13                                                    ----OP:5.4,提交操作
CHANGE #1 TYP:0 CLS:21 AFN:3 DBA:0x00c000a0 OBJ:4294967295 SCN:0x0000.00702f08 SEQ:1 OP:5.4 ENC:0 RBL:0
ktucm redo: slt: 0x0003 sqn: 0x00000eaa srt: 0 sta: 9 flg: 0x2 ktucf redo:uba: 0x00c01ac7.0250.25ext: 12 spc: 3380 fbi: 0

############################

實驗二:update 操作的REDO日誌解讀

會話3: --SYS使用者切換日誌:
SYS@ bys3>alter system switch logfile;
System altered.
SYS@ bys3>col  MEMBER for a30
SYS@ bys3>select a.group#,a.sequence#,a.archived,a.status,b.type,b.member from v$log a,v$logfile b where a.group#=b.group#;
    GROUP#  SEQUENCE# ARC STATUS           TYPE    MEMBER
---------- ---------- --- ---------------- ------- ------------------------------
         1        310 YES ACTIVE           ONLINE  /u01/oradata/bys3/redo01.log
         2        311 NO  CURRENT          ONLINE  /u01/oradata/bys3/redo02.log
         3        309 YES INACTIVE         ONLINE  /u01/oradata/bys3/redo03.log
切換到普通使用者做更新語句:
SYS@ bys3>conn bys/bys
Connected.
BYS@ bys3>select * from dept;
    DEPTNO DNAME          LOC
---------- -------------- -------------
        10 ACCOUNTING     NEW YORK
        20 RESEARCH       DALLAS
        40 OPERATIONS     BOSTON
        11 chedan         bj
        22 test           sh
        33 imutest        hz
6 rows selected.
BYS@ bys3>set time on
20:39:23 BYS@ bys3>update dept set dname='database' where deptno=11;
1 row updated.
20:39:43 BYS@ bys3>commit;
Commit complete.
20:39:46 BYS@ bys3>


會話4:DUMP當前REDO日誌:
SYS@ bys3>alter system dump logfile '/u01/oradata/bys3/redo02.log';
System altered.
SYS@ bys3>select value from v$diag_info where name like 'De%' ;
VALUE
----------------------------------------------------------------------------------------------------
/u01/diag/rdbms/bys3/bys3/trace/bys3_ora_29141.trc
##############
檢視此TRACE檔案: 方法是:vi /u01/diag/rdbms/bys3/bys3/trace/bys3_ora_29141.trc 然後搜尋修改的物件的OBJECT_ID:22327       
       
UPDATE 一行記錄產生一個REDO RECORD,提交產生一個REDO RECORD。非IMU下如果一個UPDATE更新多行,則會產生多條REDO RECORD。關於這個UPDATE語句 產生多少REDO RECORD的話題詳見另一篇: 非IMU模式下一條update語句產生REDO RECORD條數的探究
######一個REDO RECORD: RECORD頭+CHANGE VECTOR組成(一個CV就是一個操作)
REDO RECORD - Thread:1 RBA: 0x000137.00000003.0010 LEN: 0x01ec VLD: 0x05
SCN: 0x0000.00702fe0 SUBSCN:  1 01/06/2014 20:39:45
(LWN RBA: 0x000137.00000003.0010 LEN: 0001 NST: 0001 SCN: 0x0000.00702fdf)
##以上是日誌頭,Thread:1 執行緒號,RAC時會有1,2等
RBA: 0x000137.00000003.0010 將16進位制轉換為十進位制分別是日誌檔案號、日誌塊號、在塊上第N位元組
VLD: 0x05日誌型別;
SCN: 0x0000.00702fe0 SUBSCN:  1 01/06/2014 20:39:45    
--是此REDO條目產生時的SCN號,轉為十進位制現轉為時間戳為:06-JAN-14 08.39.42,  更新語句完成是在20:39:43 BYS@bys3>commit;
(LWN RBA: 0x000137.00000003.0010 LEN: 0001 NST: 0001 SCN: 0x0000.00702fdf)
括號中SCN: SCN: 0x0000.00702fdf  比上一句:SCN: 0x0000.00702fe0 SUBSCN:  1 01/06/2014 20:39:45   少了1個SCN。
######
CHANGE #1 TYP:0 CLS:17 AFN:3 DBA:0x00c00080 OBJ:4294967295 SCN:0x0000.00702f9a SEQ:1 OP:5.2 ENC:0 RBL:0
ktudh redo: slt: 0x000f sqn: 0x00000e9c flg: 0x0012 siz: 164 fbi: 0   --這一行資訊與下一條提交的REDO RECORD可以對上,證明是同一個事務的。
            uba: 0x00c01cbf.0250.0f    pxid:  0x0000.000.00000000
### #####################事務資訊
TYP:0 普通塊 ,CLS:17 class大於16是UNDO塊-遞增。AFN:3 絕對檔案號dba_data_files.file_id--這裡是UNDO檔案的檔案號
DBA:0x00c00080 資料塊在記憶體中地址, 80十進位制128,,select SEGMENT_NAME from dba_segments where HEADER_FILE=3 and HEADER_BLOCK=128; 查出物件名。
OBJ:4294967295 --十進位制,轉為16進位制是FFFFFFFF
SCN:0x0000.00702f9a  轉換為16進位制可與操作時對比
OP:5.2 -> operation code 向UNDO段頭的事務表寫事務資訊-事務開始
uba: 0x00c01cbf.0250.0f  UNDO塊地址

####################
CHANGE #2 TYP:0 CLS:18 AFN:3 DBA:0x00c01cbf OBJ:4294967295 SCN:0x0000.00702f99 SEQ:2 OP:5.1 ENC:0 RBL:0
##OP:5.1 --把資料修改前值放到UNDO   --AFN:3 --在UNDO檔案裡操作,UNDO檔案號是3。。CLS:18 --比CHANGE #1中大1,順序增長哈哈
ktudb redo: siz: 164 spc: 6494 flg: 0x0012 seq: 0x0250 rec: 0x0f
            xid:  0x0001.00f.00000e9c
ktubl redo: slt: 15 rci: 0 opc: 11.1 [objn: 22327 objd: 22327 tsn: 4]    ------- tsn: 4插入的這個是在表空間號-USERS的表空間號,--OBJ:22327--是插入的物件的OBJECT_ID
Undo type:  Regular undo        Begin trans    Last buffer split:  No
Temp Object:  No
Tablespace Undo:  No
             0x00000000  prev ctl uba: 0x00c01cbf.0250.0d
prev ctl max cmt scn:  0x0000.00702afa  prev tx cmt scn:  0x0000.00702b2e
txn start scn:  0xffff.ffffffff  logon user: 32  prev brb: 12590267  prev bcl: 0 BuExt idx: 0 flg2: 0
KDO undo record:
KTB Redo
op: 0x04  ver: 0x01
compat bit: 4 (post-11) padding: 1
op: L  itl: xid:  0x0005.008.00000e9d uba: 0x00c01840.02e4.13
                      flg: C---    lkc:  0     scn: 0x0000.00702b1f
KDO Op code: URP row dependencies Disabled
  xtype: XA flags: 0x00000000  bdba: 0x010000fd  hdba: 0x010000fa
itli: 1  ispac: 0  maxfr: 4858
tabn: 0 slot: 5(0x5) flag: 0x2c lock: 0 ckix: 0
ncol: 3 nnew: 1 size: -2   ##列字元長度減少2:chedan減去database就是-2---根據多次update並DUMP的日誌來看,這裡的size的值應該是:當前CHANGE中的值減去另一個
col  1: [ 6]  63 68 65 64 61 6e   --修改語句是:update dept set dname='database' where deptno=11; deptno=11時的為chedan-DUMP為16進位制,與col  1: [ 6]  63 68 65 64 61 6e對應,[ 6]
chedan對應,col  1是第二列--修改的dname列就是第二列。
SYS@ bys3>select dump('chedan',16) from dual;
DUMP('CHEDAN',16)
-------------------------------
Typ=96 Len=6: 63,68,65,64,61,6e
##############
CHANGE #3 TYP:2 CLS:1 AFN:4DBA:0x010000fdOBJ:22327SCN:0x0000.00702d7aSEQ:1 OP:11.5 ENC:0 RBL:0
## OP:11.19 或者OP:11.5都是--UPDATE語句,開始修改資料,  AFN:4 --這次是在USERS表空間修改資料-檔案號就是4
KTB Redo
op: 0x11  ver: 0x01
compat bit: 4 (post-11) padding: 1
op: F  xid:  0x0001.00f.00000e9c    uba: 0x00c01cbf.0250.0f
Block cleanout record, scn:  0x0000.00702fe0 ver: 0x01 opt: 0x02, entries follow...
  itli: 1  flg: 2  scn: 0x0000.00702b1f
  itli: 2  flg: 2  scn: 0x0000.00702d7a
KDO Op code: URP row dependencies Disabled
###此語句也說明是UPDATE語句,URP row dependencies Disabled --URP=UPDATE ROW PIECE。有時會是:KDO Op code:21 row dependencies Disabled
  xtype: XA flags: 0x00000000  bdba: 0x010000fd  hdba: 0x010000fa
itli: 1  ispac: 0  maxfr: 4858
tabn: 0 slot: 5(0x5) flag: 0x2c lock: 1 ckix: 0
ncol: 3 nnew: 1 size: 2   ##size: 2,列字元長度增加2:database減去chedan---根據多次update並DUMP的日誌來看,這裡的size的值應該是:當前CHANGE中的值減去另一個
col  1: [ 8]  64 61 74 61 62 61 73 65   ---update dept set dname='database' where deptno=11;,對應select dump('database',16) from dual;   col  1: [ 8]  ---第二列,8位,
####################################################
REDO RECORD - Thread:1 RBA: 0x000137.00000004.0010 LEN: 0x008c VLD: 0x05
SCN: 0x0000.00702fe2 SUBSCN:  1 01/06/2014 20:39:46
(LWN RBA: 0x000137.00000004.0010 LEN: 0001 NST: 0001 SCN: 0x0000.00702fe1)
CHANGE #1 TYP:0 CLS:17 AFN:3 DBA:0x00c00080 OBJ:4294967295 SCN:0x0000.00702fe0 SEQ:1OP:5.4 ENC:0 RBL:0
ktucm redo: slt: 0x000f sqn: 0x00000e9c srt: 0 sta: 9 flg: 0x2 ktucf redo: uba: 0x00c01cbf.0250.0f ext: 4 spc: 6328 fbi: 0   
###########
OP:5.4 表明是提交操作。
CHANGE #1 TYP:0 CLS:17 AFN:3 DBA:0x00c00080 OBJ:4294967295 SCN:0x0000.00702fe0 SEQ:1 OP:5.4 ENC:0 RBL:0
AFN:3 對應的是UNDO檔案,
slt: 0x000f    slot是槽位號,slot是每一個事務的入口,在一個事務中是不變的。這裡與上一條REDO RECORD中的第一個CHANGE #1中的slt: 0x000f是相同的。


SCN: 0x0000.00702fe2 SUBSCN:  1 01/06/2014 20:39:46  提交操作的時間 :
20:39:43 BYS@ bys3>commit;
Commit complete.
20:39:46 BYS@ bys3>
########################################

實驗三:delete 操作的REDO日誌解讀

會話5: --SYS使用者切換日誌:
alter system switch logfile;
SYS@ bys3>col member for a30
SYS@ bys3>select a.group#,a.sequence#,a.archived,a.status,b.type,b.member from v$log a,v$logfile b where a.group#=b.group#;
    GROUP#  SEQUENCE# ARC STATUS           TYPE    MEMBER
---------- ---------- --- ---------------- ------- ------------------------------
         1        310 YES INACTIVE         ONLINE  /u01/oradata/bys3/redo01.log
         2        311 YES ACTIVE           ONLINE  /u01/oradata/bys3/redo02.log
         3        312 NO  CURRENT          ONLINE  /u01/oradata/bys3/redo03.log
切換到普通使用者做刪除語句:
conn bys/bys
BYS@ bys3>select * from dept;
    DEPTNO DNAME          LOC
---------- -------------- -------------
        10 ACCOUNTING     NEW YORK
        20 RESEARCH       DALLAS
        40 OPERATIONS     BOSTON
        11 database       bj
        22 test           sh
        33 imutest        hz
6 rows selected.
BYS@ bys3>set time on
20:43:18 BYS@ bys3>delete dept where deptno=33;
1 row deleted.
20:43:25 BYS@ bys3>commit;
Commit complete.
會話6,DUMP當前REDO日誌:
SYS@ bys3>alter system dump logfile '/u01/oradata/bys3/redo03.log';
System altered.
SYS@ bys3>select value from v$diag_info where name like 'De%' ;
VALUE
----------------------------------------------------------------------------------------------------
/u01/diag/rdbms/bys3/bys3/trace/bys3_ora_29214.trc
##############
檢視此TRACE檔案: 方法是:vi /u01/diag/rdbms/bys3/bys3/trace/bys3_ora_29214.trc 然後搜尋修改的物件的OBJECT_ID:22327

REDO RECORD - Thread:1 RBA: 0x000138.0000002b.0010 LEN: 0x01c8 VLD: 0x05
SCN: 0x0000.0070306c SUBSCN:  1 01/06/2014 20:43:26
(LWN RBA: 0x000138.0000002b.0010 LEN: 0002 NST: 0001 SCN: 0x0000.0070306b)
CHANGE #1 TYP:0 CLS:29 AFN:3 DBA:0x00c000e0 OBJ:4294967295 SCN:0x0000.0070303f SEQ:1 OP:5.2 ENC:0 RBL:0
ktudh redo: slt: 0x0008 sqn: 0x00000e9b flg: 0x0012 siz: 168 fbi: 0
            uba: 0x00c0193e.02b8.03    pxid:  0x0000.000.00000000
CHANGE #2 TYP:0 CLS:30 AFN:3 DBA:0x00c0193e OBJ:4294967295 SCN:0x0000.0070303e SEQ:1 OP:5.1 ENC:0 RBL:0
ktudb redo: siz: 168 spc: 7794 flg: 0x0012 seq: 0x02b8 rec: 0x03
            xid:  0x0007.008.00000e9b
ktubl redo: slt: 8 rci: 0 opc: 11.1 [objn: 22327 objd: 22327 tsn: 4]
Undo type:  Regular undo        Begin trans    Last buffer split:  No
Temp Object:  No
Tablespace Undo:  No
             0x00000000  prev ctl uba: 0x00c0193e.02b8.02
prev ctl max cmt scn:  0x0000.00702b2d  prev tx cmt scn:  0x0000.00702b3e
txn start scn:  0xffff.ffffffff  logon user: 32  prev brb: 12589367  prev bcl: 0 BuExt idx: 0 flg2: 0
KDO undo record:
KTB Redo
op: 0x03  ver: 0x01
compat bit: 4 (post-11) padding: 1
op: Z
KDO Op code: IRP row dependencies Disabled
  xtype: XA flags: 0x00000000  bdba: 0x010000ff  hdba: 0x010000fa
itli: 2  ispac: 0  maxfr: 4858
tabn: 0 slot: 0(0x0) size/delt: 17
fb: --H-FL-- lb: 0x0  cc: 3
null: ---
col  0: [ 2]  c1 22    ---記錄刪除前的原值,delete dept where deptno=33;   刪除的是這一行值: 33 imutest        hz
col  1: [ 7]  69 6d 75 74 65 73 74

col  2: [ 2]  68 7a
###################
BYS@ bys3>select dump(33,16),dump('imutest',16),dump('hz',16) from dual;
DUMP(33,16)        DUMP('IMUTEST',16)                 DUMP('HZ',16)
------------------ ---------------------------------- -------------------
Typ=2 Len=2: c1,22 Typ=96 Len=7: 69,6d,75,74,65,73,74 Typ=96 Len=2: 68,7a
#####################

CHANGE #3 TYP:2 CLS:1 AFN:4 DBA:0x010000ff OBJ:22327 SCN:0x0000.00702f09 SEQ:1 OP:11.3 ENC:0 RBL:0
KTB Redo
op: 0x11  ver: 0x01
compat bit: 4 (post-11) padding: 1
op: F  xid:  0x0007.008.00000e9b    uba: 0x00c0193e.02b8.03
Block cleanout record, scn:  0x0000.0070306c ver: 0x01 opt: 0x02, entries follow...
  itli: 1  flg: 2  scn: 0x0000.00702f09
KDO Op code: DRP row dependencies Disabled
  xtype: XA flags: 0x00000000  bdba: 0x010000ff  hdba: 0x010000fa
itli: 2  ispac: 0  maxfr: 4858
tabn: 0 slot: 0(0x0)

REDO RECORD - Thread:1 RBA: 0x000138.0000002b.01d8 LEN: 0x0060 VLD: 0x01
SCN: 0x0000.0070306d SUBSCN:  1 01/06/2014 20:43:26
CHANGE #1 TYP:0 CLS:29 AFN:3 DBA:0x00c000e0 OBJ:4294967295 SCN:0x0000.0070306c SEQ:1 OP:5.4 ENC:0 RBL:0
ktucm redo: slt: 0x0008 sqn: 0x00000e9b srt: 0 sta: 9 flg: 0x2 ktucf redo: uba: 0x00c0193e.02b8.03 ext: 3 spc: 7624 fbi: 0

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