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    Step by step instructions for submitting Maxwell jobs with Qube!


     

    Step 1

    It is not currently possible to submit directly from Maxwell ("InApp" support), so you will submit from the Qube! WranglerView. Open the Submit menu and choose "Maxwell Render Job..." as shown here.

    Step 2

    You will be presented with a Submission UI like this. Ensure sections marked in red have the correct details.


     

     Click "Submit"

     

     

    Additional

    If you have selected the tick box "Enable Co-op Renders" you will be presented with a secondary window 

     


      Click "Submit" again.

     

    Troubleshooting

    If you find you are getting errors here are some useful links for troubleshooting

    Troubleshooting Flowcharts 

     

    Job Submission Details

    Icon

    Not all sections need to be filled in in order to render only the fields marked in red are required

     

     Click here for details...

    Name
    This is the name of the job of the job so it can be easily identified in the Qube! UI.

    Priority
    Every job in Qube is assigned a numeric priority. Priority 1 is higher than priority 100. This is similar to 1st place, 2nd place, 3rd place, etc. The default priority assigned to a job is 9999.

    Instances
    This is the number of copies of the application that will run at the same time across the network. The combination of "Instances=1" and "Max Instances=-1" means that this job will take as much of the farm as it can, and all jobs will share evenly across the farm.

    Examples:

    On a 12 slot(core) machine running Maya if you set
    "Instances" to 4
    "Reservations" to "host.processors=3"
    Qube! will open 4 sessions of Maya on the Worker(s) simultaneously, which may consume all slots/cores on a given Worker.

    if you set
    "Instances" to 1
    "Reservations" to "host.processors=1+"
    Qube will open 1 session of Maya on a Worker, consuming all slots/cores ("host.processors=1+" is used for all slots/cores).

    Max Instances
    If resources are available, Qube! will spawn more than 'Instances' copies of the application, but no more than 'Max Instances'. The default of -1 means there is no maximum. If this is set to 0, then it won't spawn more than 'Instances' copies.

    More on Instances & Reservations & SmartShare Studio Defaults

     Click here for details...

    Range
    Frame range for the job (e.g 1-100, or 1-100x3, or 1,3,7,10)

    Most jobs require a frame range to execute on the workers. You can set this range in a few different ways :

    • "1-100" will just render the range between 1 and 100
    • "1-100x3" will render the range 1 to 100, every third frame, so 1, 4, 7, etc.
    • "1,3,7,10" will only render the selected frames 1,3,7,10

    Execution
    How to break up frame range to be executed. Use QB_START_FRAME, QB_END_FRAME and QB_FRAME_NUMBER

    When submitting a job to the farm it may be more efficient to "chunk" your job. This means that when the job is sent to the worker it tells the worker to render N consecutive frames before requesting more work. You would do this to keep from reopening the scene file for each frame. Large scene files can take substantial time to open, which is wasteful across dozens or hundreds of frames.

    The drop down options are below:

    • "Individual frames" this tells the worker to render 1 frame at a time.
    • "Chunks with n frames" this tells the worker to render consecutively the number of frames specified in the field.
    • "Split into n partitions" this tells the worker to render consecutively the total frames in the range divided by the number in the field.

    Examples:

    • range 1-100 with "individual frames" set will render 1 frame at a time
    • range 1-100 with "Chunks with n frames" and the field set to 5 will send 20 frames to each instance
    • range 1-100 with "Split into n partitions" and the field set to 4 will send 25 frames to each instance

    rangeOrdering
    Order to render the items. (Ascending=1,2,3,4,5...,Descending=10,9,8...,Binary=first,middle,last...)

    You can set the order in which your frames are rendered. The drop down options are:

    • "Ascending" - this will render the frames counting upwards from your start frame
    • "Decending" - this will render the frames counting backwards from your end frame
    • "Binary" - This will render the first, last, and middle frames of the range, then the middle frame of the first half and the middle frame of the second half, and so on. This is useful for sampling the frames in the sequence to make sure it is rendering correctly.

     Click here for details...

    Use Preview Frames  

    Enabling preview frames will create 2 jobs:

    • A primary dependent job with a higher priority that will render the selected frames first 
    • A secondary job with lower priority that will render the remaining frames. This will return the selected frames faster so that you can check the accuracy of your renders.

    Frame Numbers

    Choose the frames that you wish to render first. If left blank the default is to render the first frame, the last frame and the middle frame in that order. You can select specific frames by adding comma separated frame numbers e.g 1,2,10,15,75, or a range with, e.g., 1-100x5 (1 to 100, every 5th frame)

    Preview Priority

    Choose the priority for the preview job. This can be set by the site admin.

    Preview Subjobs

    Choose the number of instances / subjobs for the preview frames. By default, this is equal to the number of preview frames - that is, it will try to do all the preview frames at the same time.

    Note that when you submit a job with preview frames enabled, it will actually submit 2 jobs—one with the preview frames list at a higher priority, and another with the rest of the agenda, at the normal priority (as specified in the job's Priority field). You will get, consequently, 2 job IDs for the submission.

     Click here for details...

    New in 6.4-4
    For applications/renderers that do not support using all cores while rendering (or changing that behavior, eg AfterEffects or 3dsMax), this section is not visible.

    Render on all Cores
    Checking this box means that once this job is assigned to a machine, no more jobs or instances will be assigned to the same machine until this job is complete. You might choose this if your know your render job is very memory intensive and shouldn't run alongside other jobs.

    Min Free Slots
    This is the number of slots that must be available on a worker in order for the worker to accept the job. For example, if you choose '1', a worker with 7 out of 8 cores already in use will still accept this job. However, if you were to choose '2', the same machine under the same circumstances would not accept the job. 


    Preemption

    Icon

    This option does not preempt any previously running instances on the worker, it only prevents additional instances from being assigned to this worker.

     

     

     Click here for details...

    New in 6.4-4
    For applications/renderers that do not support setting a specific number of threads, this section is not visible.

    Slots = Threads
    If this box is checked, it tells Qube and the application (eg, Maya) to use the specific number of threads listed in the "Specific Thread Count" field. If this is not checked, then the "Specific Thread Count" value is passed only to the application, but Qube is unaware of the number of cores/slots it should reserve. In most cases, you will want to check this box, unless you have Designer licenses, in which case you would only set the numeric value.

    Specific Thread Count
    This tells the renderer to use a specific number of threads for rendering. The default is one thread, which for any modern renderer will underperform, and when combined with the slots=threads, will swamp most workers by running as many instances as there are slots (eg, a 24 core machine would run 24 instances of the application/renderer). A better value is 8 (assuming you have 8 cores, as most modern machines do) which means that each instance of the job will use 8 threads to render, and, when combined with slots=threads, will reserve 8 slots while doing so.

    Designer License

    Icon

    Designer licenses are restricted to 1 slot, so if you are using a Qube Designer license, set the Specific Thread Count, but do not check the "Slots=Threads" option.

    Maxwell Specific Parameters

     

     Click here for details...

    maxwell path
    The explicit path to Maxwell v2 executable on the Workers.

     Click here for details...

    Enable CoOp Renders
    Perform a cooperative render. Setting this to co-op will create a secondary MXIMerge job that combines the finished MXI's upon completion. Make sure you set the "Instances" parameter to more than 1, in the "Qube Job Basics" section above.

    Coop Total SL
    If CoOp rendering is selected above, this sets the sampling level for the final render, when the MXIs are all merged. Set to 0 to have all instances respect the value set in the "Sampling Level" box below.

    Sampling Level
    Override the render quality level set in the MXS.

    Render Time Limit
    Time (in minutes) that the renderer is allowed to run (per-frame), overrides the Time value saved in MXS.

    Resume Rendering
    Automatically resume the render if the MXI file exists.

     Click here for details...

    MXS scene file
    The MXS scene to render. This is a required field for submission. Important: Make sure that the Workers have access to this file path.

    outputImage
    This will override the full path and name of the image file specified in the MXS scene. Important: Make sure that the Workers have access to this file path.

    MXI output file
    The MXI output file containing information about the rendering process.  This allows for resuming a previously rendered image.  If not specified, the MSI will use the same name and path as the MXS scene.

    script
    Names a script to load and run on the Worker(s).

    prescript
    Names a prescript to load and run on the Worker(s).

    postscript
    Names a postscript to load and run on the Worker(s).

    bitmaps
    Set an alternative folder path for the location of the bitmaps. If set to "0", it will discard all the bitmaps.

    overridemat
    Override all the materials in the scene using the materials found at the given path. Make sure that path is visible to all the Workers.

    curdir
    Set the current directory during the render. This is useful where relative paths are used to locate textures and other dependencies.

    dependencies
    Set an alternative folder path for the dependencies location.

    resume
    This resumes a previously rendered image and update the MXI file.

    renameoutput
    When this flag is used, Maxwell Render does not write the MXI file directly to the given output path; instead, it will write to a temporary file and then rename/move the result to the final path.

     

     Click here for details...

    res
    Overrides the scene resolution defined in the file. Format is WxH, e.g., 800x600

    region
    Describes a region type to render, along with its coordinates. The format is "type,x1,y,x2,y2" where "type" is one of "full", "region" or "blowup" and "x1,y1,x2,y2" are the coordinates of the rectangular region to render or enlarge.

    depth
    Overrides the image depth settings in the scene file.

    channels
    Overrides the channels that Maxwell will export, as defined in the scene file. Possible channels are r, a, ao, s, m, i, zmin, zmax.

    channel
    Overrides each exported channels export status and format. The format is [channel_name],[on|off],[depth(8,16,32)],[format]. All the parameters are optional except for the first one. Examples: channel:alpha,on,32,tif... channel:material... channel:object,off

    zmin
    Overrides the zmin values of the zbuffer channel.

    zmax
    Overrides the zmax values of the zbuffer channel.

    alphaopaque
    Enable opaque mode in the alpha channel.

    alphaembedded
    Enables embedded alpha.

    embedded
    Embeds the selected channel when the output format allows it.

    channelsembedded
    Enable/disable embedding all the channels as images layers if the format supports it.

    color
    Overrides the color space setting in the scene file.

    camera
    Specifies a camera to render. If not specified, will default to the active camera.

    defaultmat
    Overrides the path to the default materials.

    burn
    Overrides the burn value set in the scene file.

    gamma
    Overrides the gamma value set in the scene file.

     

     Click here for details...

    pass
    Overrides the render pass that is set in the scene file.

    multilight
    Enables the multi-light function for storing an MSI file with separate information about the emitters.

    extractlights
    If this is enabled, each light will be saved in a separate file.

    devignetting
    Overrides the scene file's setting (or default) for the devignetting value.

    scattering
    Overrides the scene file's setting (or default) for the scattering value.

    displacement
    Enables the displacement calculations for the whole scene. Not necessary if not already set in the scene file.

    dispersion
    Enables the dispersion calculations for the whole scene. Not necessary if not already set in the scene file.

    motionblur
    Enables motion blur calculations for the whole scene. Not necessary if not already enabled in the scene file.

    dodevignetting
    Enables devignetting for the whole scene. Not necessary if not already enabled in the scene file.

    doscattering
    Enables lens scattering. Not necessary if not already enabled in the scene file.

     Click here for details...

    verbose
    Verbosity level. Choose the level of detail you would like the logs to provide.

    threads
    The number of threads to render with (0 means use the maximum available).

    priority
    The Maxwell Renderer process priority.

    slupdate
    The number of seconds between sampling refreshes. If not set, the engine will choose an interval automatically.

    mintime
    Set the time to impose a minimum time for saving MXI files to disk. This is the equivalent of the preference "Min.Time"

    nomxi
    Force Maxwell Render to save only the output image, and not the MXI file.

     Click here for details...

    Internal(Range)
    Sequence of frames to render, overriding the scene settings. The format is comma-separated frames and frame ranges. For example, 12,21-30,99-102 would render frame 12, frames 21-30, and frames 99-102.

     Click here for details...

    Cmd Template
    This is used to create the command string for launching the job on the worker. It will be set differently depending on the application you are launching from.

    Shell (Linux/OSX)
    Explicitly specify the Linux/OS X shell to use when executing the command (defaults to /bin/sh).

     Click here for details...

    Qube Job Tags
    New in Qube 6.5

    Note: The Job Tags section of the submission UI will not be visible unless they are turned on in the Preferences in the Wrangler View UI. Job Tags are explained in detail on the Job Tags page.

     Click here for details...

    Hosts

    Explicit list of Worker hostnames that will be allowed to run the job (comma-separated).

    Groups

    Explicit list of Worker groups that will be allowed to run the job (comma-separated). Groups identify machines through some attribute they have, eg, a GPU, an amount of memory, a license to run a particular application, etc. Jobs cannot migrate from one group to another. See worker_groups.

    Omit Hosts

    Explicit list of Worker hostnames that are not allowed run the job (comma-separated).

    Omit Groups

    Explicit list of Worker groups that are not allowed to run the job (comma-separated).

    Priority Cluster

    Clusters are non-overlapping sets of machines. Your job will run at the given priority in the given cluster. If that cluster is full, the job can run in a different cluster, but at lower priority. Clustering

    Example:

    • A job submitted to /showB/lighting will run with its given priority in /showB/lighting cluster.

    • If /showB/lighting is full, that job can run in /showB/FX, but at a lower priority.

    • If both /showB/lighting and /showB/FX are full, the job can run in /showA/* at an even lower priority.

     

    Host Order

    Order to select Workers for running the job (comma-separated) [+ means ascending, - means descending].

    Host Order is a way of telling the job how to select/order workers

      • "+host.processors.avail" means prefer workers which have more slots available

      • "+host.memory.avail" means prefer workers which have more memory available

      • "+host.memory.total" means prefer workers which have more total memory

      • "+host.processor_speed" means prefer workers with higher cpu speeds

      • "+host.cpus" means prefer workers with higher total cpu slots

     

    Requirements

    Worker properties needed to be met for job to run on that Worker (comma-separated, expression-based). Click 'Browse' to choose from a list of Host Order Options.

    Requirements is a way to tell the workers that this job needs specific properties to be present in order to run. The drop-down menu allows a choice of OS:

    • "winnt" will fill the field with "host.os=winnt" which means only run on Windows based workers

    • "linux" will fill the field with "host.os=linux" which means only run on Linux based workers

    • "osx" will fill the field with "host.os=osx" which means only run on OSX based workers

    You can also add any other Worker properties via plain text. Some examples: 

    • "host.processors.avail.=4" means only run this job on workers that have 4 or more slots available

    • "host.processors.used=0" means only run this job on workers with 0 slots in use

    • "host.memory.avail=400" means only run this job on workers that have 400 memory available

    With integer values, you can use any numerical relationships, e.g. =, <, >, <=, >=. This won't work for string values or floating point values. Multiple requirements can also be combined with AND and OR (the symbols && and || will also work).

    The 'Only 1 of a "kind" of job' checkbox will restrict a Worker to running only one instance with a matching "kind" field (see below). The prime example is After Effects, which will only allow a single instance of AE on a machine. Using this checkbox and the "Kind" field, you can restrict a Worker to only one running copy of After Effects, while still leaving the Worker's other slots available for other "kinds" of jobs.

     

    Reservations

    Worker resources to reserve when running job (comma-separated, expression-based).  

    Reservations is a way to tell the workers that this job will reserve the specific resources for this job.

    Menu items:

    • "host.processors" this will fill the field with "host.processors=X" which means reserve X slots on the worker while running this job

    • "host.memory" this will fill the field with "host.memory=X" which means only reserve X memory on the worker while running this job

    Other options:

    • "host.license.nuke=1" when a Global Resources entry has been made you can reserve any arbitrary named item. New in 6.6: Once you create a global resource, it will show up in this menu (eg global.vray above).

    • See also Job Reservations

     

    Restrictions

    Restrict job to run only on specified clusters ("||"-separated) [+ means all below, * means at that level]. Click 'Browse' to choose from a list of Restrictions Options.

    Restrictions is a way to tell the workers that this job can only run on specific clusters. You can choose more than one cluster in the list.

    Examples:

    • Choosing /showA would restrict the job to machines that are only in the /showA cluster, and no other cluster, not even those below /showA.

    • Choosing /showA/* would restrict the job to the cluster(s) below /showA, but not including /showA

    • Choosing /showA/+ would restrict the job to /showA and all the clusters below it.

     

    See Also

     Click here for details...

    Flags

    List of submission flag strings (comma separated). Click 'Browse' to choose required job flags.

     

    See this page for a full explanation of flag meanings

     

    Dependency

    Wait for specified jobs to complete before starting this job (comma-separated). Click 'Add' to create dependent jobs.

    You can link jobs to each other in several ways:

    • "complete" means only start this job after designated job completes
    • "failed" means only start this job if the designated job fails
    • "killed" means only start this job if the designated job has been killed
    • "done" means start this job if the designated job is killed/failed/complete

    The second menu chooses between "job" (the entire set of frames) and "work" (typically a frame). So to link frame 1 of one job to frame 1 of a second, job, you would choose "work" in this menu. If you want to wait for all the frames of one job to complete before starting a second, then choose "job". The other option, "subjob", refers to the instance of a job. This is much less common, but means that, for example, the instance of Maya that was running frames has completed.

    For a complete description on how to define complex dependencies between jobs or frames, please refer to the Callbacks section of the Developers Guide.


    Email (job complete)

    Send email on job completion (success or failure). Sends mail to the designated user.

    Email (failed frames)

    Sends mail to the designated user if frames fail.

    Blocked

    Set initial state of job to "blocked".

    Stderr->Stdout

    Redirect and consolidate the job stderr stream to the stdout stream. Enable this if you would like to combine your logs into one stream.

    Job Label

    Optional label to identify the job. Must be unique within a Job Process Group. This is most useful for submitting sets of dependent jobs, where you don't know in advance the job IDs to depend on, but you do know the labels. 

    Job Kind

    Arbitrary typing information that can be used to identify the job. It is commonly used to make sure only one of this "kind" of job runs on a worker at the same time by setting the job's requirements to include "not (job.kind in host.duty.kind)". See How to restrict a host to only one instance of a given kind of job, but still allow other jobs

    Process Group

    Job Process Group for logically organizing dependent jobs. Defaults to the jobid. Combination of "label" and "Process Group" must be unique for a job. See Process group labels

    Retry Frame/Instance

    Number of times to retry a failed frame/job instance. The default value of -1 means don't retry.

    Retry Work Delay

    Number of seconds between retries.

    Subjob Timeout

    Kill the subjob process if running for the specified time (in seconds).  Value of -1 means disabled. Use this if the acceptable instance/subjob spawn time is known.

    Frame Timeout

    Kill the agenda/frame if running for the specified time (in seconds).  Value of -1 means disabled. Use this if you know how long frames should take, so that you can automatically kill those running long.

     Click here for details...

    Cwd

    Current Working Directory to use when running the job.

    Environment Variables

    Environment variables override when running a job. You can specify key/value pairs of environment variables

    This is useful when you might need different settings for your render applications based on different departments or projects.

    Impersonate User

    You can specify which user you would like to submit the job as. The default is the current user. The format is simply <username>. This is useful for troubleshooting a job that may fail if sent from a specific user.

    Example:
    Setting "josh" would attempt to submit the job as the user "josh" regardless of your current user ID.

    Note: In order to do this, the submitting user must have "impersonate user" permissions.

     Click here for details...

    Windows-only Environment Variables
    Used to provide OS specific environment variables for Windows. Enter variables and values to override when running jobs.

    Linux-only Environment Variables
    Used to provide OS specific environment variables for Linux. Enter variables and values to override when running jobs.

    Darwin-only Environment Variables
    Used to provide OS specific environment variables for OS X. Enter variables and values to override when running jobs.

    Error rendering macro 'excerpt-include' : No link could be created for 'Copy of _SimpleCmd_jobValidation'.

     Click here for details...

    GenerateMovie

    Select this option to create a secondary job that will wait for the render to complete then combine the output files into a movie.

    Note: For this to work correctly the "Qube (ImagesToMovie) Job..." has to be setup to use your studios transcoding application.

     

     Click here for details...

    Account
    Arbitrary accounting or project data (user-specified). This can be used for creating tags for your job.

    You can add entries by typing in the drop-down window or select already created accounts from the drop-down.

    See also Qube! Job Tags

    Notes
    Freeform text for making notes on this job. Add text about the job for future reference. Viewable in the Qube UI.

     

     

     

     

     

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