Executing a job chain "on demand"

Hello,
I have a overall job chain which contains several job chains. This overall job chain is executing every day.
The job chains included in the overall job chains have precondictions and different time windows.
Now I want to include job chains (in this overall job chain) which are executing "on demand"
How can I do that ?
Thanks.

Hello Shashi,
here's the coding for an exit function that can be used to trigger any process chain.
FUNCTION Z_RSPC_API_CHAIN_START.
*"*"Local interface:
*" IMPORTING
*"     VALUE(I_AREA) TYPE UPC_Y_AREA
*"     VALUE(I_PLEVEL) TYPE UPC_Y_PLEVEL
*"     VALUE(I_PACKAGE) TYPE UPC_Y_PACKAGE
*"     VALUE(I_METHOD) TYPE UPC_Y_METHOD
*"     VALUE(I_PARAM) TYPE UPC_Y_PARAM
*"     REFERENCE(IT_EXITP) TYPE UPF_YT_EXITP
*"     REFERENCE(ITO_CHASEL) TYPE UPC_YTO_CHASEL
*"     REFERENCE(ITO_CHA) TYPE UPC_YTO_CHA
*"     REFERENCE(ITO_KYF) TYPE UPC_YTO_KYF
*" EXPORTING
*"     REFERENCE(ETO_CHAS) TYPE ANY TABLE
*"     REFERENCE(ET_MESG) TYPE UPC_YT_MESG
* SEM-BPS: Exit function for starting a BW process chain
* Parameter:
* P_CHAIN     RSPC_CHAIN
* Fields to be changed:
* All
* Run the function for a planning package that contains no data.
DATA:
    ls_exitp TYPE upf_ys_exitp,
    l_pchain TYPE rspc_chain.
* Get name of process chain from parameter
READ TABLE it_exitp INTO ls_exitp WITH KEY parnm = 'P_CHAIN'.
IF sy-subrc = 0.
    l_pchain = ls_exitp-chavl.
ELSE.
    EXIT.
ENDIF.
* Start process chain
CALL FUNCTION 'RSPC_API_CHAIN_START'
    EXPORTING
      i_chain = l_pchain.
ENDFUNCTION.
It looks simple but you have to provide additional logic to prevent users from running this function too many times.
Regards,
Marc
SAP NetWeaver RIG

Similar Messages

How to Schedule a Job Chain to start automatically on SAP CPS.

Hi,
I did a job chain and i want to run automatically on sap cps Tuesday thru Saturday at 6:00 a.m., i make a calendar on sap cps with this specific options but the job chain doesn't start running. I don't know if i need to do something more, so if someone can give a little help with this i will apreciate a lot.
Thanks,
Omar

It finished ok but on the operator message i got the following message:
Unable to resubmit this job.
Details:
com.redwood.scheduler.api.exception.TimeWindowExpectedOpenWindowException: CalculateNextClose should only be called on an open time window
at com.redwood.scheduler.model.method.impl.TimeWindowMethodImpl.calculateNextCloseIntersectionInt(TimeWindowMethodImpl.java:388)
at com.redwood.scheduler.model.method.impl.TimeWindowMethodImpl.calculateNextCloseIntersectInt(TimeWindowMethodImpl.java:249)
at com.redwood.scheduler.model.TimeWindowImpl.calculateNextCloseIntersectInt(TimeWindowImpl.java:212)
at com.redwood.scheduler.model.method.impl.SubmitFrameMethodImpl.calculateNextInt(SubmitFrameMethodImpl.java:178)
at com.redwood.scheduler.model.SubmitFrameImpl.calculateNext(SubmitFrameImpl.java:176)
at com.redwood.scheduler.model.listeners.JobStatusChangePrepareListener.resubmitSubmitFrameJob(JobStatusChangePrepareListener.java:763)
at com.redwood.scheduler.model.listeners.JobStatusChangePrepareListener.resubmitJob(JobStatusChangePrepareListener.java:637)
at com.redwood.scheduler.model.listeners.JobStatusChangePrepareListener.processJobToFinalState(JobStatusChangePrepareListener.java:520)
at com.redwood.scheduler.model.listeners.JobStatusChangePrepareListener.modelModified(JobStatusChangePrepareListener.java:233)
at com.redwood.scheduler.persistence.impl.LowLevelPersistenceImpl.informListeners(LowLevelPersistenceImpl.java:728)
at com.redwood.scheduler.persistence.impl.LowLevelPersistenceImpl.writeDirtyObjectListRetry(LowLevelPersistenceImpl.java:207)
at com.redwood.scheduler.persistence.impl.LowLevelPersistenceImpl.access$000(LowLevelPersistenceImpl.java:38)
at com.redwood.scheduler.persistence.impl.LowLevelPersistenceImpl$WriteDirtyObjectListUnitOfWork.execute(LowLevelPersistenceImpl.java:79)
at com.redwood.scheduler.persistence.impl.PersistenceUnitOfWorkManager.execute(PersistenceUnitOfWorkManager.java:34)
at com.redwood.scheduler.persistence.impl.LowLevelPersistenceImpl.writeDirtyObjectList(LowLevelPersistenceImpl.java:102)
at com.redwood.scheduler.cluster.persistence.ClusteredLowLevelPersistence.writeDirtyObjectList(ClusteredLowLevelPersistence.java:59)
at com.redwood.scheduler.model.SchedulerSessionImpl.writeDirtyListLocal(SchedulerSessionImpl.java:648)
at com.redwood.scheduler.model.SchedulerSessionImpl.persist(SchedulerSessionImpl.java:626)
at com.redwood.scheduler.apiint.model.UnitOfWorkManager.perform(UnitOfWorkManager.java:32)
at com.redwood.scheduler.apiint.model.UnitOfWorkManager.perform(UnitOfWorkManager.java:13)
at com.redwood.scheduler.jobchainservice.JobChainService.childJobFinalStatus(JobChainService.java:223)
at com.redwood.scheduler.core.processserver.ProcessServerRuntime.childJobFinalStatus(ProcessServerRuntime.java:836)
at com.redwood.scheduler.core.processserver.ProcessServerRuntime.onMessage(ProcessServerRuntime.java:248)
at com.redwood.scheduler.infrastructure.work.MessageEnabledWork.run(MessageEnabledWork.java:104)
at com.redwood.scheduler.infrastructure.work.WorkerImpl.run(WorkerImpl.java:109)
at java.lang.Thread.run(Thread.java:534)

Scheduling a BI job chain in Redwood

The problem I am having is we are trying to schedule a BI job chain via Redwood software and are not getting any response. Within Redwood, I have executed these jobs IMPORT_BW_CHAINS, IMPORT_BW_CHAIN_DEFINITION, IMPORT_BW_INFOPACKAGES using BI job chain 0fcsm_cm_10 which is defined in BI as a job chain. These jobs run to completion but nothing is moved into Redwood to schedule as you would see from a import of a CCMS job. When I run job RUN_BW_CHAIN using the same BI job chain ID I receive the below error. Not sure what Im missing or doing with the process to get to schedule the BI job chains with Redwood.
ORA-06502: PL/SQL: numeric or value error
ORA-06512: at "RSI.RSIEXEC", line 1638
ORA-06512: at "RSI.RSIEXEC", line 1759
ORA-06512: at "RSI.RSI_RUN_BW_CHAIN", line 21
ORA-06512: at "RSI.RSI_RUN_BW_CHAIN", line 80
ORA-06512: at line 1
ORA-06512: at "SYS.DBMS_SYS_SQL", line 1200
ORA-06512: at "SYS.DBMS_SQL", line 323
ORA-06512: at "SYSJCS.DDL", line 1085
ORA-06512: at "SYSJCS.DDL", line 1118
ORA-06512: at "SYSJCS.DDL", line 1177
ORA-06512: at line 3
JCS-00215: in statement RSOJ_EXECUTE_JOB

I am also seeing the same issue
anton the last information you requested
The following products are installed in the Cronacle repository:
Product                                  Version    Status
Cronacle for SAP solutions               7.0.3      Production
Cronacle Forecast Module                 7.0.3      Production
Cronacle Reports Module                  7.0.3      Production
Cronacle &module Module                  7.0.2      development
Cronacle Mail Module                     7.0.3      Production
Cronacle Audit Module                    7.0.2 r2.2 Production
Cronacle Process Manager for Web         7.0.3      Production
Cronacle Module Installer                7.0.3      Production
Cronacle Repository                      7.0.3.34   Production
Cronacle Monitor Module                  7.0.3      Production

Error in redwood job chain for Infopackage

Hi,
We have recently installed redwood for handling sap jobs and are able to run all the job chains with job step in abap program successfully.
However, for APO and BW job chains we have intermediate step for executing BW infopackage where the job is getting failed with the below error:
SAP/BW Error Message: rfc call failed 089: Job BI_BTC<infopackage_name>has not (yet ?) been started
The preceding abap job steps are getting executed successfully. After the infopackage step is failed the consecutive steps all fails.
This problem is common to all job chains with infopackage.
Any help is greatly appreciated.
Regards,
Sandeep.

Hello Anton,
We are facing the same problem: Same log error message.
The infopackage is correctly started and ended in BW.
Here our versions:
Redwood Explorer 7.0.4.2 SP2
BW :   SAP_BASIS 70016
           SAP_BW 70018
Do you think applying SAP CPS SP3 would solve the problem?
Or can we solve it by modifying some specific parameters?
Thanks in advance.
Regards;
Mathieu

Backing up Jobs, Chains and Programs in Oracle Job Scheduler

What is the best way to back up Jobs, Chains and Programs created in the Oracle Job Scheduler via Enterprise Manager - and also the best way to get them from one database to another. I am creating quite a long chain which executes many programs in our test database and wish to back everything up along the way. I will also then need to migrate to the production database.
Thanks for any advice,
Susan

Hi Susan,
Unfortunately there are not too many options.
To backup a job you can use dbms_scheduler.copy_job. I believe EM has a button called "create like" for jobs and programs but I am not sure about chains and this can be used to create backups as well.
A more general purpose solution which should also cover chains is to do a schema-level export using expdp i.e. a dump of an entire schema.
e.g.
SQL> create directory dumpdir as '/tmp';
SQL> grant all on directory dumpdir to public;
# expdp scott/tiger DUMPFILE=scott_backup.dmp directory=dumpdir
You can then import into a SQL text file e.g.
# impdp scott/tiger DIRECTORY=dumpdir DUMPFILE=scott_backup SQLFILE=scott_backup.out
or import into another database (and even another schema) e.g.
# impdp scott/tiger DIRECTORY=dumpdir DUMPFILE=scott_backup
Hope this helps,
Ravi.

Execute 4 jobs at the same time

Hello guys,
Is it possible with DBMS_SCHEDULER to execute 4 jobs at the same time. I'd like to use DBMS scheduler to refresh 4 different materialized view at the same time. After that, I'd like to start another job if they refreshed correctly.
So, can this be achieved?
Thanks for your help

It can be achieved using a chain job. Here is how you would do it:
Call DBMS_SCHEDULER.create_program to create 5 programs corresponding to the 4 MV jobs + the one extra job.
Call DBMS_SCHEDULER.create_chain to create a new disabled chain.
Call DBMS_SCHEDULER.define_chain_step to create 5 chain steps corresponding to the 5 programs you created earlier.
Call DBMS_SCHEDULER.define_chain_rule to create 3 chain rules:
-- Rule1:
condition => 'TRUE'
action => 'START step1, step2, step3, step4'
-- Rule2:
condition => 'step1 SUCCEEDED and step2 SUCCEEDED and step3 SUCCEEDED and step4 SUCCEEDED'
action => 'START step5'
-- Rule3:
condition => 'step5 SUCCEEDED'
action => 'END'
Call DBMS_SCHEDULER.enable to enable the chain.
Call DBMS_SCHEDULER.create_job to create the corresponding chain job of type chain.
Hope that helps.

SAP CS 8.0 - question to parallel tasks in one job chain

Dear all,
I have a question about job chains in SAP CPS/Redwood
We have a job chain like this:
Job 1
     Job 1.1
               Job 1.1.1
               Job 1.1.2
     Job 1.2
                Job 1.2.1
The Jobs 1.1.1 and 1.1.2 should start when the Job 1.1 is compled and don't have to wait until Job 1.2 is complete.
How could I release it in Redwood in one job chain? Should I use a precondition in the job definition of 1.1 and 1.2?
Thank you for your help.
Best regards,
Hans

Assumptions :
Job 1.1.1 and Job 1.1.2 are running in parallel.
Job 1.1, job 1.2 are also running in parallel.
Chain A -
Step 1 - Job 1.1
Step 2 - Job 1.1.1, Job 1.1.2 (these both will start as soon as Job 1.1 completes)
Chain B -
Step 1 - Job 1.2
Step 2 - Job 1.2.1
Chain C
Step 1 - Job 1
Step 2 - Chain A, Chain B (Chain A and Chain B will start as soon as Job 1 completes).
Submit Chain C.
Preconditions are usually used to check the timewindow, for example , if you want to execute a step in a job chain, only if it is a Friday.
thanks
Nanda

Need informations about dependency scenario with job chains

Hi,
I created several job chains containing one ora mor scripts.
Now I want to create dependencies between this job chains. For example : job chain 2 must begin when job chain 1 is finished, job chain 3 must begin when job chain 2 is finished etc...
So my first question : how can I do that ? (create dependencies between job chains)
Second point : all this job chains have not the same time periods : example : job chain 1 must execute every day, job chain 2 every monday, job chain 3 every day...... so if i take the example of tuesday : job chain 1 must execute and when it is finished then job chain 3 must execute. On Monday : job chain1, then job chain 2 and for finish job chain 3. How can I do that ?
Edited by: kennel yves on Aug 19, 2009 12:27 PM

Hi Yves,
If your chains are not dependent on each other, you should submit them as separate jobs.
So if you have a chain that runs every workday at 18:00, and another chain that runs on Tuesday and Friday at 14:00, and there are no dependencies between the chains, then you should:
- submit the first chain at 18:00, time window "Workdays", submit frame "EveryDay"
- submit the second chain at 14:00, time window "TuesdaysAndFridays", submit frame "EveryDay" (it will skip the days that the time window is closed anyway)
Same for the other independent chains with different schedules. If there are no dependencies, there is no need to combine chains together.
The first reply was for the scenario where you have chain A and B, A starts at some time and B starts after A. Additionally, B only runs on Tuesdays, while A runs every workday. In that case there are dependencies between the two chains, and then a parent chain is very convenient:
- chain "RunAandB", with two steps
- step 1: call chain A
- step 2: call chain B, with a precondition so that B only runs on Tuesdays.
Regards,
Anton Goselink.

How can we recognize the time taking for executing any process chain

Hi,
I have one metachain which consists of several local process chain. It was executed successfully. So how can I find out total time for executing this meta chain.Is there any way to find out that this process execution time is lile some hours and some mins.

ST13 trans description is Analysis & Service Tools Launch pad and is part of the ST-A/PI plugin. See Note 69455 - Servicetools for Applications ST-A/PI (ST14, RTCCTOOL, ST12) aand talk to your Basis folks to find out if they can install it since it sounds like it is not installed at your site.
Here's a list of functions the tool provides - only some are BW specific, so if you can not get ST13 authorization, see if you can at least run the pgm
Analysis/Service Tools
Name                     Title
RTCCTOOL              SAP Servicetools Update
ST12                        Single transaction analysis
SDCCVIEWER          SDCC: View data from ST-A/PI subroutines
SOS_CUSTOMER_DATA                Customer Checks for Security Optimitation
BATCH_JOB_ANALYSIS               Batch job analysis
CMO_SYSTEM_MONITORING            CMO - System Monitoring
ITSTRACEVIEW                     ITS trace viewer (SAPjulep) for EBP/CRM
STAD_DATA_GET                    Select STAD data and put to download
BPSTOOLS                         BW-BPS Performance Toolset
BIIPTOOLS                        BI-IP Performance Toolset
BW_QUERY_ACCESSES                BW: aggregate/InfoCube accesses of queries
BW_QUERY_USAGE                   BW: query usage statistics
BW-TOOLS                         BW Tools
SEM_BCS_STATISTIC_ANALYSIS       SEM-BCS: Statistic Analysis
BWQUAC_CUST                      BW Query Alert Collector Customizing
TABLE_ANALYSIS                   Table Analysis Tools
UPGRADE_TOOLS                    Tools for Upgrade
MASS_MAN_MONITORING              Monitoring for Mass Data
CUST_DMA_TAANA                   DVM: Settings for ST14 CA
PROJBROWSER                      Service Software: Local project browser
ANALYSISBROWSER                  Service Software: Analysis browser
SDCC_DOWNLOAD_SIMULATION         SDCC download simulation for ST-A/PI collectors
TEXTBROWSER                      Service Software: Short&Longtext browser
SET_SDCC_PRODUCTIVE_CLIENT       Manually set analysis client for SDCC datacollection
There were a few OSS Notes relating to ST03N dumping you might want to review to see if they need to be applied
Nothing is ever as easy as it ought to be.

Job Chain question

Hi,
i want to schedule a job chain.
I 've created 4 chain steps.
The first perform an action and the second must be executed only if the first completed successfully.
The third must be executed only if the second ends successfully, etc.
The Chain_rule_2 is
CHAIN_STEP_1 Completed and CHAIN_STEP_1 SUCCEEDED
The chain_rule_3 is
CHAIN_STEP_2 Completed and CHAIN_STEP_2 SUCCEEDED
But the job is actually running because there isn't an end steps (I suppose).
End step must be done if all steps works fine or if only one failed.
Any ideas?
Thanks.

You can add rules in Chains:
Chain rules define when steps run, and define dependencies between steps. Each rule has a condition and an action. Whenever rules are evaluated, if a rule's condition evaluates to TRUE, its action is performed. The condition can contain Scheduler chain condition syntax or any syntax that is valid in a SQL WHERE clause. The syntax can include references to attributes of any chain step, including step completion status. A typical action is to run a specified step or to run a list of steps.
All chain rules work together to define the overall action of the chain. When the chain job starts and at the end of each step, all rules are evaluated to see what action or actions occur next. If more than one rule has a TRUE condition, multiple actions can occur. You can cause rules to also be evaluated at regular intervals by setting the evaluation_interval attribute of a chain.
Conditions are usually based on the outcome of one or more previous steps. For example, you might want one step to run if the two previous steps succeeded, and another to run if either of the two previous steps failed.
Scheduler chain condition syntax takes one of the following two forms:
stepname [NOT] SUCCEEDED
stepname ERROR_CODE {comparision_operator|[NOT] IN} integer
You can combine conditions with boolean operators AND, OR, and NOT() to create conditional expressions. You can employ parentheses in your expressions to determine order of evaluation.

Any WebI reports / graphs for job chain performance over time?

I am trying to get reports over time that contain job and job chain information such as job chain, job description, elapsed time, job status, etc to allow for trend reporting against the job schedules. Thanks for any help. I would have thought that there was some basic reporting that could execute and be saved for reporting and reference.

Hi Robert,
For WebI/Graph report, you need to create the Dashboard but it will not give details which you required. It will be created on basis over day, time and dialer. You can find the option there for Graph/Techno etc.
If you want to create the report, please refer to below thread:
Re: Question on Reporting
CPS Report with Schedule and Job Parameter Information
Regards,
Abhishek Singh

Error while scheduling the Email Alert JOB chain

Hi All,
I have defined a job chain in CPS and when i am going to schedule it then it is giving me error message.We have taken the trial version.
Please find the log attached below.
11:18:31 PM:
JCS-111004: Queue ETD.sapetd00_Queue has no ProcessServer with the required JobDefinitionType/Service/Resource for Job 932 (submitted from ETD.Z_MONI_BATCH_DP copy from 2009/12/30 18:22:23,113 Australia/Sydney) (submitted from Job Definition ETD.Z_MONI_BATCH_DP (Copy from 2009/12/30 18:22:23,113 Australia/Sydney)): Job Definition Type CSH/Service PlatformAgentService/"Empty"
JCS-102064: Job 934 (submitted from System_Mail_Send copy from 2009/12/29 17:54:16,608 Australia/Sydney) is global but refers (via Job) to an object in an isolation group
JCS-102064: Job 934 (submitted from System_Mail_Send copy from 2009/12/29 17:54:16,608 Australia/Sydney) is global but refers (via Chain Step) to an object in an isolation group
JCS-102064: Job 934 (submitted from System_Mail_Send copy from 2009/12/29 17:54:16,608 Australia/Sydney) is global but refers (via Parent Job) to an object in an isolation group Show error details
Thanks
Rishi Abrol

Hi
Are you logged into the correct isolation group ?
Ensure the process server is also assigned to the queue.
Regards

Error while executing a JOB

Post Author: rkolturu
CA Forum: Data Integration
I tried to execute a job which is compiled and error free but get the error below has any one of you any workaround for this problem
5308 4880 PAR-010102 12.12.2007 08:44:52 |SessionJOB_XYZ
5308 4880 PAR-010102 12.12.2007 08:44:52 Syntax error at line : 00297-182
5308 4880 PAR-010102 12.12.2007 08:44:52 0-189393172: near found expecting .
5308 4880 PAR-010102 12.12.2007 08:44:52 Syntax error at line : <>: near found .
5308 4880 PAR-010102 12.12.2007 08:44:52 2 error(s), 0 warning(s).
5308 4880 PAR-010102 12.12.2007 08:44:52 . Please check and fix the syntax and retry the operation.

Hi,
If CI & DB are on different host this error normally occures.SAP return codes 236 means no connection to gateway, can you check it?
Also check whether TCP/IP RFC connection SAPXPG_DBDEST_* is working fine or not.If it is not working fine then please check whether you have mentioned below details
Program              sapxpg
Target Host          DB Host name
Gateway Host    DB host/gateway host
Gateway service sapgw##
Also refer SAP Note 108777 - CCMS: Message 'SAPXPG failed for BRTOOLS' & Note 446172 - SXPG_COMMAND_EXECUTE (program_start_error) in DB13
Hope this helps.
Thanks,
Sushil

Error on auto execute of job 1032656.. Where i can get the details?

ORA-12012: error on auto execute of job 1032656
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
ORA-1580 signalled during: alter database backup controlfile to 'backup_control_file.ctl'..
Hi All,
I am getting the above error in my alert log.
When i check in my dba_jobs there were only two jobs having job column 1 & 21.
Where i can see the job 1032656 and its details ?
Regards
Arun

Hi Arun,
This is due to invalid objects in ORACLE_OCM schema.
Please read metalink note id:
Invalid Objects After Revoking EXECUTE Privilege From PUBLIC [ID 797706.1]
Symptoms
OEM recommends that EXECUTE privilege being revoked from PUBLIC. After revoking the privilege, the following errors appeared in alert log:
ORA-12012: error on auto execute of job 66171
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 has errors .
Also, the below query returns invalid rows count (approximately 46 rows)
SQL> select object_name, owner, object_type, status from dba_objects where status = 'INVALID';
Owners of invalid objects are ORACLE_OCM and WMSYS
*Cause*
At the time of installation of the database, Oracle execute scripts that test to see if PUBLIC access is granted to all of the routines that ORACLE_OCM and WMSYS need access to. If PUBLIC access is NOT available, Oracle scripts grant specific access rights. However, If EXECUTE privilege is revoked from PUBLIC after installation, then those specific access rights needs to be granted manually.
*Solution*
You will need to grant execute on UTL_FILE and DBMS_SCHEDULER to ORACLE_OCM and WMSYS. The below action plan should solve the issue:
SQL> grant execute on UTL_FILE to oracle_ocm;
SQL> grant execute on DBMS_SCHEDULER to oracle_ocm;
SQL> grant execute on UTL_FILE to wmsys;
SQL> grant execute on DBMS_SCHEDULER to wmsys;
SQL> shutdown immediate;
SQL> startup restrict;
SQL> @utlrp.sql /* $ORACLE_HOME/rdbms/admin/@utlrp.sql */
SQL> shutdown immediate;
SQL> startup;
Regards
Rajesh

Job Chaining and Quickcluster

I always get
Status: Failed - HOST [Macintosh.local] QuickTime file not found.
after the first part of the job is successful.
If I just submit with "This Computer" it works fine. Original file is ProRes 422, first job uses ProRes 422 to scale it down to 480x270. Second job compresses to h.264. I found some info on this board from 2008 saying that job chaining and quickclusters don't work together. Is that still how it is? that's really useless..
I also found this from Jan 2009
David M Brewer said:
The reason the second rendering is failing is.......this has happen to me a few times until I figured it out.....make sure you set the dimension to the video in the h.264 settings, set to the same size as the Pro Rez dimensions.
For the most part the dimensions are left blank for the second link, h.264. And don't use 100% of source. Put the physical numbers into the spaces. When you link one video to another, the second codec doesn't know the specs settings you made for the first video settings.
Also make sure you (at least check) set the audio for the second video. I usually have the Pro Res do the audio conversion and just past-through to the second video settings. Again it can happen the the audio is disable in the h.264 settings. This has happen a few time for me........... Check and double check your settings!
He doesn't mention anything about with or w/o Quickclusters, but I tried what he said and could not get it to work with quickclusters...
Anyone got any new info on this?

Studio X,
Thanks for taking the time to run some tests and post your results.
I'm finding the same results with converting ProRes422 to mp4, But...
Other codecs are giving me very different results.
I've run some random tests to try to get a grip on whats happening.
First I was playing around with the # of instances. I've read here and on Barefeats that (at least for my model MacPro) the instances should be set to (# of processors/2), so I've been using 4 for quite a while now and thought I'd test it for myself.
A single 5min ProRes422 1920x1080 29.97 file to h.264
This Computer- 15:28
2 Instances- 14:56
3 Instances- 13:52
4 Instances- 14:48
5 Instances- 13:43
6 Instances- 13:48
7 Instances- 13:58
In this case 5i was the fastest but not using a Quickcluster wasn't far off
A single 2m30s ProRes422 1920x1080 29.97 file to h.264
This Computer- 3:19
2 Instances- 3:45
3 Instances- 3:45
4 Instances- 3:45
5 Instances- 3:50
6 Instances- 4:00
7 Instances- 4:00
Interesting...not using a Quickcluster is fastest
A single 2m30s ProRes422 1920x1080 29.97 file Scaled down using original codec
This Computer- 5:20
4 Instances- 4:10
5 Instances- 4:10
7 Instances- 4:11
A single 1m30s ProRes422 1920x1080 29.97 file to mpeg-2
This Computer- 2:12
5 Instances- 2:10
When Quickclusters are faster, 4-5 instances does seem to be the sweet spot(again for my setup).
In the mpeg-2 test, I should have used a longer clip to get a better test but it was getting late and I was just tring to get an idea of the codecs usage of my resources. I was also monitoring CPU usage with Activity Monitor in all tests.
Now multiclip batches:
I forgot to write down the length of the clips in this first test but it consisted of 8 ProRes 422 clips. 3 about 1m long and the rest between 13s and 30s
8 ProRes 422 clips to mp4
This Computer- 11:25
4 Instances- 5:16
Same results as Studio X
Next tests with 5 clips(total 1m51s)
5 ProRes 422 clips to h.264
This Computer- 5:00
4 Instances- 4:52
5 ProRes 422 clips to mpeg-2
This Computer- 2:55
4 Instances- 3:01
5 ProRes 422 clips to DV NTSC
This Computer- 6:40
4 Instances- 5:12
5 ProRes 422 clips to Photo Jpeg
This Computer- 2:44
4 Instances- 2:46
I re-ran the last test with 7 clips because of the time it took reassemble the segmented clips
7 ProRes 422 clips to Photo Jpeg(total 3m14s)
This Computer- 4:43
4 Instances- 3:41
One last test,
A single ProRes 422 clip to Photo Jpeg(4:05;23)
This Computer- 5:52
4 Instances- 4:10
Let me start off by saying it is clear that there are many factors that effect compression times such as # of clips, length of clips, and codecs, but here are some of the things I noted:
1)Some codecs themselves seem to be "more aware" of the computers resources than others.
When I compress to h.264 w/o a cluster it will use about 80-85% of all resources
When I compress to h.264 with a cluster it will use about 90-95% of all resources
When I compress to PhotoJpeg w/o a cluster it will use about 20-25% of all resources
When I compress to PhotoJpeg with a cluster it will use about 80-85% of all resources
2)The time it takes to reassemble clips can be quite long and could effect overall speed
In the very last test, compressing a single file to photoJpeg using 4 instances took 4m10s. Watching Batch Monitor I noted that it took 2m0s to compress and 2m10s to reassemble.Wow...
It would be interesting to see how the disassemble/reassemble of bigger and larger batches using clusters effect overall time. But that would take some time.
I think the thing I will be taking with me from all of this is your workflow is your own. If you want to optimize it, you should inspect it, test it and adjust it where it needs adjusting. Now if anyone has the time and was to run similar tests with very different results I'd love to know about it...

Executing a job chain "on demand"

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