Time Drift Detected / Check VKTM Trace File For More Details

Apr 9, 2012

I have just migrated database to 11.2 ..Migration is successfull and now database is in open mode working fine.BUT i m getting following mesage in alert log file

"Time drift detected. Please check VKTM trace file for more details."I m using windows platform.

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Performance Tuning :: Elapsed Time In Trace File Output

Nov 16, 2011

I executed a query which executed quickly (1.7 seconds) but since its output took time in displaying on the console the time shown by 'set timing on was 39.5 seconds

also I took trace (tkprof) for the same.My query is why the timings under 'Total Waited' (43.19 and 1.69) are not added to the elapsed time 1.83 seconds

call count cpu elapsed disk query current rows
------- ------ -------- ---------- ---------- ---------- ---------- ----------
Parse 1 0.00 0.00 0 0 0 0
Execute 1 0.00 0.06 0 10 0 0
Fetch 758 0.03 1.77 0 0 0 11345
------- ------ -------- ---------- ---------- ---------- ---------- ----------
total 760 0.03 1.83 0 10 0 11345
[code]....

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How To Check Quota Details For A User

Feb 14, 2013

We have a scenario where we need to get the details of quota details on different tablespaces for a user. Is there any way to get this information directly using some views etc.

I tried with following option.. but not found in this... i think we can get this TOAD some other tools. but i never tried using SQL directly...

SELECT dbms_metadata.get_ddl('USER','SCOTT') FROM dual;

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SQL & PL/SQL :: Trace Time To Refresh MV For Last Few Runs?

Mar 10, 2010

I want to trace the time it takes to refresh the MV for the last few runs. How can i find that? The MV runs every 7 hours..for the last few times it runs, I would like to trace the time it took to complete.

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How To Trace Refresh Time Of Materialized View

Jun 4, 2011

I have created a fast refresh materialized view.now i wanted to know my materialized view how long processing for refresh.which table stores this information with syntax.

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PL/SQL :: How To Check If Time Is Closer To Start Or End Time

Jan 31, 2013

I have a table which stores apointment start times and appointment end times. For the sake of this thread I will call them appt.start_time and appt.end_time. I then have a check in time and a check out time for the customer. The only thing is they ONLY way to distinguish between a check in time and a check out time is which one has the earlier time and which one has the later time. Obviously the earlier time will be the check and the later time will be the check out.

This is fine, however sometimes they may forget to check a person in or out and I need to determine whether the time should be insert into the check_in column or the check_out column. To do this I was thinking of comparing the time with the appointment start and end time and if it was closer to the appointment start time put it into the check_in column and if its closer to the appointment end time put it into the check_out column. But I was wondering how I would go about doing this.

The time I will want to compare against the appointment start and end time I will store in a variable called v_time and have this as part of my query, im just unsure of what way to write the query so as to check if the time is closer to the start or end time.

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Server Administration :: Get Details Of SYS / SYSTEM Users Logon And Logoff Time

Aug 13, 2012

I want to get the details of the SYS/SYSTEM users logon and Logoff's time.

Steps 1:
=======
SQL> SHOW PARAMETER AUDIT

NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
audit_file_dest string C:ORACLEPRODUCT10.2.0ADMIN
DB10GADUMP
audit_sys_operations boolean FALSE
audit_trail string NONE
SQL>

Step 2:
=======
Set the Necessary parameters:
-----------------------------
alter system set audit_trail=db scope=spfile;

Step 3:
=======
Shutdown the DB

Step 4:
=======
Restart the DB

Step 5:
=======
For auditing the Session. Fire the below command.

AUDIT CREATE SESSION;

Step 6:
=======
select DISTINCT USERNAME,os_username,timestamp,logoff_time
from DBA_audit_session;

When I fire the above query, I couldn't get the SYS user's LOGOFF time. But for rest of the users, I am getting.

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Performance Tuning :: Real Time Speed Improvements And Auto-trace Results

Feb 4, 2011

I've got a query running a select count (*) over a table. The default plan takes in the order of 15 minutes to return, a hinted plan to use a different index takes 3 minutes to return.

Unfortunately I cant get at the index stats and a few other areas which I suspect may be key here.When running autotrace against the two queries I see fairly different values as one would expect.

Query

select count (*) from fulfilmentitem bfi where created >= sysdate-30 AND bfi.status = 'FA' AND bfi.fulfilmentmethod = 'D'
Slow run
PLAN_TABLE_OUTPUT
-----------------------------------------------------------------------------------------------
----------------------------------------------------------------------------------------------
| Id | Operation | Name | Rows | Bytes | Cost (%CPU)|
----------------------------------------------------------------------------------------------
| 0 | SELECT STATEMENT | | 1 | 15 | 33119 (1)|
| 1 | SORT AGGREGATE | | 1 | 15 | |
|* 2 | TABLE ACCESS BY INDEX ROWID| FULFILMENTITEM | 12525 | 183K| 33119 (1)|
|* 3 | INDEX RANGE SCAN | IDX_FULFIL_METHODSTATUS | 250K| | 1786 (1)|
----------------------------------------------------------------------------------------------
[code]....

IDX_FULFIL_METHODSTATUS is across FULFILMENTMETHOD & STATUS in that order.
IDX_BFI_CREATED is on CREATED and is approx 70% of the size of the other index

The row counts estimated in the explain plan are out, the count(*) comes in at 32.8k rows.As you will have seen, the fast run shows a pretty significant consistent get increase compared to the slow run and a decent though not dramatic physical read drop.

My uncertainty is around if these changes in consistent get/phys read values would typically be enough to suggest the real time improvements I'm observing or if other (albeit perhaps temporary) factors are involved. It is a prod OLTP environment so the data will be rapidly changing and that may be a factor.

I know it can never be an exact science without intimately knowing the hardware/current loads etc but I also know that there's enough experience on these boards to have a loose handle on if the time shifts between queries are likely (or not) to be reflective of the stat changes or if those differences alone shouldn't (or typically wouldn't account) for it.

I'm thinking about instructing the query to ignore its original plan but am hesitant to do so without being a little more confident that it's not just a timing thing or something other than the change of index approach which may be causing the improvement. the autotrace stat changes observed I couldn't put my hand on heart say "yup - that change is good, ignore the default index all the time for this job".

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Getting Error In Trace File

Jul 2, 2013

I am getting below mentioned error in alertlog file very frequently.

ORA-06512: at "CTXSYS.DRUE", line 160
ORA-06512: at "CTXSYS.TEXTINDEXMETHODS", line 747
ORA-06512: at "BEE_CODE_05252013.SS_INDEX_JOB_PKG", line 496
Errors in file /beprddb/diag/rdbms/beprddb/beprddb/trace/beprddb_ora_10581.trc:
Errors in file /beprddb/diag/rdbms/beprddb/beprddb/trace/beprddb_ora_10581.trc:
Errors in file /beprddb/diag/rdbms/beprddb/beprddb/trace/beprddb_ora_10581.trc:
Tue Jul 02 15:31:15 2013
[code]....

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PL/SQL :: Interpreting Trace File

Jul 24, 2012

i am using 10.2.0.4.0 version of oracle.I am having trace file info as below, for one of the query. So how should i interpret the trace file? What is the issue in the query, and the scope of improvement in the query? I have removed the query and its plans from the trace file, i have only posted the wait sections.

call     count       cpu    elapsed       disk      query    current        rows
------- ------  -------- ---------- ---------- ---------- ----------  ----------
Parse        1      0.14       0.13          0          0          1           0
Execute      1      6.63     162.12      33540      72921        383           0
Fetch    17272    178.89    1933.95     274835    3147603         20      259063
------- ------  -------- ---------- ---------- ---------- ----------  ----------
total    17274    185.66    2096.21     308375    3220524        404      259063
[code]....

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Performance Tuning :: New Trace File

Aug 11, 2011

I need to take the database trace of each page of my web application. I am giving the following commands.

BEGIN
dbms_monitor.session_trace_enable(session_id=>122, serial_num=>NULL, waits=>true, binds=>true);
END;

Accessing the web application. Once it renders completely, I am executing the following command.

BEGIN
dbms_monitor.session_trace_disable(session_id=>122);
END;

In the user_dump_dest folder, I am expecting to see a new trace whenever I execute these commands. But the same trace file is getting updated. How do I make oracle to create a new trace for each iteration. I am using Oracle 11g Release on CentOS 5.x

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Trace File Errors Interpretation

Apr 18, 2013

We are running Oracle 11.2.0.3 on a Windows 2008 R2 Server with an app server on the same. Our app has a search function that has recently started timing out on us. Sometimes intermittently but often now. I've ran a trace in our dev environment, below code, in an attempt to track down the issue but I'm finding very little useful information in relation to the errors I see in the trace file below. My experience in deciphering trace code is nill so how to interpret these errors.

*** 2013-04-18 14:27:23.353
*** SESSION ID:(3093.63097) 2013-04-18 14:27:23.353
*** CLIENT ID:() 2013-04-18 14:27:23.353
*** SERVICE NAME:(SYS$USERS) 2013-04-18 14:27:23.353
*** MODULE NAME:(w3pw.exe) 2013-04-18 14:27:23.353
*** ACTION NAME:() 2013-04-18 14:27:23.353
[code]....

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Generate Trace File With Required Name

Jul 26, 2013

As a sys user i want to trace a user session. so i am using 

SQL> EXEC DBMS_SYSTEM.set_sql_trace_in_session(sid=>123, serial#=>1234, sql_trace=>TRUE);SQL> EXEC DBMS_SYSTEM.set_sql_trace_in_session(sid=>123, serial#=>1234, sql_trace=>FALSE); 

to trace. but this trace file is mixing with another trace files in udump. did some Google and found that we can use

ALTER SESSION SET TRACEFILE_IDENTIFIER = "MY_TEST_SESSION".

but this will generate trace file for sys user account not for the desired user session. how we can define trace file name for desired user session trace. 

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RAC 10g Error Found In Trace File?

Nov 19, 2011

after apply patch 10.2.0.4 for 2 10gr2 node i tried to start asm on 2 node but i found that the 1st node (master node)
can not started but the second node is ok and this error found in trace file for lmon.trc

kjxgmpoll: terminate the CGS reconfig.
Error: KGXGN polling error (15)
error 29702 detected in background process
ORA-29702: error occurred in Cluster Group Service operation
ksuitm: waiting up to [5] seconds before killing DIAG

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Fetch Phase In A Trace File?

Mar 11, 2013

Oracle version: 11.2.0.3.0 Enterprise Edition
OS - IBM/AIX RISC System/6000

I am trying to generate a trace file from a piece of code executed by java server. What I asked the java developer to do is to place this block immediately after establishing a connection:

BEGIN
  EXECUTE IMMEDIATE 'ALTER SESSION SET TRACEFILE_IDENTIFIER = ''M1''';
  dbms_monitor.session_trace_enable(waits => FALSE, binds => TRUE);
END;And at the end of the logical java block of code:

BEGIN
  dbms_monitor.session_trace_disable;
END;

What I want to know is how many rows the java server fetches after executing one particular select statement, because they complain about receiving less in count rows from the select statement than expecting. For example, if I execute the same sql query in sqlplus session, then I fetch let's say 1000 rows. When the same query is executed from java side, the fetched rows are less in count, let's say 500.And because I doubt it, I wanted to trace to see what actually is executed and how.the excerpt of the trace file I see exactly the same query which I execute myself in a sqplus session.is no fine-grained control on the udnerlying tables in the query.

And my question is, how to interpret the FETCH phase of the cursor (for the select statement)?example, if I see one FETCH for this cursor, does this mean that the java server has fetched only one row?If I see 100 FETCHes, does this mean they fetched 100 rows from the cursor?

Here is a short excerpt from the trace file (don't crucify me for the query and the obvious denormalized design of the tables, this is not invented by me):

PARSING IN CURSOR #4573587152 len=667 dep=0 uid=737 oct=3 lid=737 tim=17685516462413 hv=954980718 ad='70000006d3e4940' sqlid='69pm96nwfrqbf'
select /* ordered */ o.id, nvl(o.par_id, -1) as par_id, o.NAME_GER, o.NAME_ENG, o.NAME_ESP, o.NAME_ITL,o.NAME_FRA, decode(lo.lflag, 'Y', 'L', 'N') as leaf_or_node, lo.distance + 1 as "LEVEL",  to_char(o.beg_date,

[code]...

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Swap Information Shows Zero In Trace File

Nov 8, 2010

I got the below message in trace file. What does the line "swap info: free = 0.00M alloc = 0.00M total = 0.00M" trying to say?

I have

RAM=1.5G
Swap=3.5G

Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production With the Partitioning, OLAP and Data Mining options ORACLE_HOME = /home/oracle
System name:Linux
Node name:linuxdev
Release:2.6.5-7.97-default
Version:#1 Fri Jul 2 14:21:59 UTC 2004

[Code]....

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Invisible Index Getting Accessed In Trace File 11g

Jun 16, 2011

I am working on tuning the performance of one of the concurrent request in our 11i ERP System having database 11.1.0.7

I had enabled oradebug trace for the request and generated tkprof out of it. For below query which is taking time , I found that , in the trace generated , wait event is "db file sequential read" on an PO_LINES_N10 index but in the generated tkprof , for the same below query , the full table scan for PO_LINES_ALL is happening , as that table is 600 MB in size.

Below is the query ,
===============
UPDATE PO_LINES_ALL A
SET A.VENDOR_PRODUCT_NUM = (SELECT SUPPLIER_ITEM FROM APPS.IRPO_IN_BPAUPDATE_TMP C WHERE BATCH_ID = :B1 AND PROCESSED_FLAG = 'P' AND ACTION = 'UPDATE' AND C.LINE_ID =A.PO_LINE_ID AND ROWNUM = 1 AND SUPPLIER_ITEM IS NOT NULL),
LAST_UPDATE_DATE = SYSDATE
===============

Index PO_LINES_N10 is on the column LAST_UPDATE_DATE , logically for such query , index should not have got used as that indexed column is not in select / where clause.

Also, why there is discrepancy between tkprof and trace generated for the same query .

So , I decided to INVISIBLE the index PO_LINES_N10 but still that index is getting accessed in the trace file .

I have also checked the below parameter , which is false so optimizer should not make use of invisible indexes during query execution.

SQL> show parameter invisible

NAME TYPE VALUE
----------- optimizer_use_invisible_indexes boolean FALSE

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Performance Tuning :: Regarding Trace File And TKprof?

Apr 10, 2013

i want to know about trace file and TKPROF. any example.

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Row Lock Contention - Trace File Shared

Nov 19, 2012

I am having enq: TX - row lock contention in top wait event. it is occurring between 10pm - 2am.

We are having sqlloader job running every one hour(conventional path). But for the specific period of time i am getting "Global Enqueue Services Deadlock detected". Between 10-5. I analyzed related trace file it is make me little confusion.I found there are four insert query culprit for this locking. out of four sql , tow of them are ran by same SID, other two insert ran by same id. I got confused because how same sid locking them self. trace file below. during this period oracle maintenance window is active.

Trace file:

*** 2012-10-09 03:40:31.135
user session for deadlock lock 0x15365e060
sid: 1104 ser: 22256 audsid: 8797820 user: 49/iurth flags: 0x45
pid: 71 O/S info: user: oracle, term: UNKNOWN, ospid: 8601
image: oracle@sgh0909
client details:
[code]....

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Trace File - MVs Failed (ORA-10980 Error Encountered)

Oct 19, 2010

In Trace file I am always geeting one error "Error encountered: ORA-10980" due to which MVs fails . how to overcome from this error?

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Windows :: Unable To Delete SMON Trace File?

Oct 4, 2012

In my database smon tracefile was huge,now we want to delete the same,I also tried with ordebug operation but no use, delete tracfile which Smon generates.

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Server Utilities :: TKPROF Cannot Open Trace File

Jan 6, 2011

I am trying to get a readable version of a .trc file generated by Oracle

10.2.0.4.0 with tkprof, but I still have been unable to get this done...and this is what I have already tried:

tkprof /u00/app/oracle/admin/DB/udump/*BITN1234.trc /batch/salidas/student/BITNTRACE.txt

And whether I run this from my PL/SQL process (PRO*C) or from a command line, it returns:

TKPROF: Release 10.2.0.4.0 - Production on Thu Jan 6 11:04:38 2011
Copyright (c) 1982, 2007, Oracle. All rights reserved.

could not open trace file /u00/app/oracle/admin/DB/udump/BITN1234.trc

I have already (from my PRO*C code and from command line)...

- made sure that the file is in the directory.
- run this from the udump directory, where the .trc file is...didn't work.
- run this from the udump directory, and specifying explicitely the

complete path anyway in the tkprof line (redundant...I know)...didn't work.

- tried to copy the file to another directory in order to run the tkprof,

and it returns:

cp: BITN1234.trc: The file access permissions do not allow the specified

action.

- tried changing privileges with:
chmod a+r BITN1234.trc

and it returns:
chmod: BITN1234.trc: Operation not permitted.

- tried to run tkprof01 instead of tkprof and it returns:

We trust you have received the usual lecture from the local System Administrator. It usually boils down to these two things:

#1) Respect the privacy of others.
#2) Think before you type.

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PL/SQL :: Check If Time Is In Between Two Timestamp

Jun 17, 2013

I have a simple query which will return either A or B depending on the projected oven out date and time. If the projected oven out date and time is between 6am and 6pm, A should be returned. Otherwise B if time is between 6pm and 6am of the next day. My problem is that I do not know how to display A or B depending on the projected oven out date and time. I am using the query below to get the projected oven out date and time.  

SELECT
to_char((ti.txndate + pm.baketime/24),'MM/DD/YYYY HH:MI:SS PM') FCSTDOvenOut  
FROM CONTAINER c

[Code].....

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Windows :: Installation Of Oracle 11gR2 - Error In Trace File

Apr 8, 2013

I am trying to install Oracle 11g R2(64bit) on Windows 7 64 bit OS. While Creating Database using DBCA. I am getting error. Below is the screenshot.

Below is the error in the Trace file...

oracle.sysman.assistants.util.step.StepExecutionException:
Error in Process: C:Oracleapporacleproduct11.2.0serverinorapwd.exe
Unable to find error file %ORACLE_HOME%RDBMSopw<lang>.msb

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How To Check Cursor Stats At Run Time

Sep 24, 2011

I have a stored procedure running in which there is a cursor which fetches around 1500000 records and then query another table using the fetched record values.

I cannot modify the procedure as its on production. I want to know which cursor record is currently being processed by the procedure, and how many are still remaining ? How to check the cursor stats at runtime. I want to check up to which record the cursor has been fetched and how many are still remaining. I have cursor name. Is there some dynamic view to check cursor stats at runtime ?

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Script To Check Response Time?

Nov 27, 2012

customer have a monitoring system that execute a script to check response time db (9i database).

The script do the following steps:

- Date
- select count(*) from all_tables
- select count(*) from v$lock
- Date

And then calculate the gap from end and start date, this is the response time.So, response time change from db to db depending on number of tables.

Is there any different method or different object to use?

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Server Administration :: Large Number Of Trace File Generation In Bdump

May 7, 2010

We are facing one issue on one of the database. The database is generating large trace files(14000) from last two days. That consumes around 15G space on the disk. And the content of the trace files is not having any meaningful message to debug:

cat /apps/oracle/admin/fs90uat/bdump/fs90uat_p050_23966.trc

*** TRACE DUMP CONTINUES IN FILE /apps/oracle/admin/fs90uat/bdump/fs90uat_p050_23966.trc ***
Dump file /apps/oracle/admin/fs90uat/bdump/fs90uat_p050_23966.trc

*** TRACE DUMP CONTINUED FROM FILE /apps/oracle/admin/fs90uat/bdump/fs90uat_p050_23966.trc ***

... (Many lines with above message)

The alert log is having one repeated error yesterday:

Thu May 6 22:00:03 2010
Errors in file /apps/oracle/admin/fs90uat/bdump/fs90uat_j000_11811.trc:
ORA-12012: error on auto execute of job 2647927
ORA-04063: ORA-04063: package body "ORACLE_OCM.MGMT_DB_LL_METRICS" has errors
ORA-06508: PL/SQL: could not find program unit being called: "ORACLE_OCM.MGMT_DB_LL_METRICS"
ORA-06512: at line 1

The corresponding trace file is having error:

Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
ORACLE_HOME = /apps/oracle/product/10.2.0/db_1
System name: SunOS
Node name: corpqadb30
[Code] .......

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Real Application Clusters :: 11GR2 RAC Deadlock Trace File - Where Have Reported Row IDs Gone?

Jun 3, 2013

I have a deadlock trace file to analyse and i used to be able to see the rowid as a 16 bit hex value in the trace file, which i could then query on to get the actual real world row name.I see in the 11GR2 deadlock trace the formatting is different and for the life of me i am unable to see the rowid. Has Oracle stopped reporting this now, or is their another way to get this value? The deadlock graph shows me

*** 2013-05-14 14:49:15.047
Submitting asynchronized dump request [28]
Global blockers dump end:-----------------------------------
Global Wait-For-Graph(WFG) at ddTS[0.16e] :
BLOCKED 0x4362890f8 5 wq 2 cvtops x1 TX 0x3d001b.0x18a3021 [FF000-0001-00000002] inst 1
BLOCKER 0x436288f38 5 wq 1 cvtops x28 TX 0x3d001b.0x18a3021 [102000-0001-00000002] inst 1
[code]....

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Real Application Clusters :: VKTM Process Taking Longtime To Start In RAC Environment?

Jun 30, 2012

I'm having a 2node 11.2.0.3 RAC setup with ASM on Solaris 10 x64 platform.During the restart of the database, it is taking longtime to start around 10mins.

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Check Elapse Time For Particular Query Ran From Last 24 Hours

Dec 26, 2012

Need to check the elapse time for particular query ran from last 24 hours , it was ran multiple times and need to know for each execution what is elapse time .

which view we can use ?

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