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  • Table of Contents


April  2019

April 12th 2019

  • Pegasus 5.0
    • Site Catalog Conversion to YAML
      • mukund is mainly done
      • pushed out his changes
      • trying to make the tests green
    • Checkpointing changes to accomodate LIGO use of vanilla universe
      • Karan and Mats will explore and see if it is possible
      • cumulative stdout|stderr
        • what about time and duration values
        • since there is no DAG Node retry and job just goes on HELD state
    • Composite Events
      • Kibana dashboard needs to be updated
      • dropping __ in the event names
      • George wants the AMQP library updated 
        • Will create a JIRA item
    • Office Hours video
      • Karan will work Jasmine to upload the video
  • Papers
    • RACE Paper submitted last week
    • PEARC Paper this week
  • Proposals
    • Army Research 
      • enabling in-situ supports for ExaScale
      • linked with what Tu is doing
    • SCEC Proposal Submitted
      • have a good chance
    • Exascale one with Michigan
      • the call will come out soon
    • Ewa , Rafael and Deborah
      • NSF GCR Proposal
      • Modelling wild fires
      • Has PRICE school input and also Deborah Post DOC
  • EScience
    • Pegasus Tutorial Proposal
    • May 6, 2019: Tutorial Proposal Deadline
    • Also trying for the workflow comparison paper
    • Dynamo paper by George
  • Pegasus connect discussion
    • tabled it for later when Mats is around
  • HTCondor Week
    • Karan will be doing a Pegasus talk and Pegasus workshop
  • Pegasus OLCF Poster
    • combine the panda poster
    • can also submit to EScience
  • Ryan's work
    • Loic is moving pachyderm setup to AWS
  • Loic Rafael and Tu are working on a paper for Cluster
  • Software X

March  2019

March 29th 2019

  • 4.9.1 Release
    • done and working on 4.9.2
  • Site Catalog Conversion to YAML
    • mukund working on it
    • i still need to look at the bamboo tests
      • bamboo faling on mount scratch thing that condor thing
      • we have to fix in pegasus also. to fail on credentials in /tmp
      • check and do condor_config_val  on the key and check if /tmp is in there
      • mainly affects all the users that use x509
      • LIGO has also tripped over it . Both with Pegasus and without Pegasus
  • Condor vanilla checkpointing
    • karan asked him about what he is trying to do
  • composite events 
    • check for keys with same values
    • also do we need to pad extra keys for all events?
  • Extensions to Jupyter Integration
  • Pegasus Connect
    • will discuss on whiteboard on April 12th

March 1st 2019

  • 4.9.1 Release
  • Office Hours
    • On Friday March 22nd on real time monitoring
  • transformation catalog for 5.0
    • Mukund will work on it next
  • EScience?
    • Paper
  • pegasus-exitcode test
    • success message not parsed correctly  
  • Programmer
    • will interview the 

February  2019

February 22nd 2019

  • 4.9.1 Release
    • Pending Issues
      • This raises the larger issue of how long we want to support externals packages

        there are some packages we need to ship because of worker packages dependencies.

        We remove mysql python externals package for 4.9.1 and 5.0.0

        And also remove the dependencies from our deb and RPM builds.

      • Transfers within containers
        • We are only going to transfer from within the container till people complain
        • George Papadimitriou will add to the documentation.
      • non ascii encoding in the stdout
    • Support HPSS storage
  • Office Hours
    • George on real time monitoring.
      • Date?
  • EScience?
    • Paper
    • Tutorial submission

February 1st 2019

  • 4.9.1 Release
    • ascii encoding breaks while parsing for monitoring events. monitors should have the population working and have log a warning error.
      • but we should ensure that stdout in database still gets populated
      • Karan will fix this
  • New TC Format
  • Shifter Support in Pegasus
    • is in 4.9 branch
  • Pegasus Annual Report
    • will be working on it in coming weeks
    • will ask for input
    • next year report will be tricky . in terms of effort allocation.

January  2019

January 25th 2019

  • 4.9.1 Release
    • ascii encoding breaks while parsing for monitoring events. monitors should have the population working and have log a warning error.
      • but we should ensure that stdout in database still gets populated
  • YAML format for the TC
    • the line numbers should be mentioned in the errors
  • GitHub commits don't trigger bamboo builds right now
    • move to webhooks?
    • slack token in bamboo.yml . 
      • mats will look into it further
  • SCEC for HPC Transfer certificate issue
    • Globus online certificates messed up hpc-transfer issue.
  • Data Storage at NERSC
    • almost full
  • Singularity container with the entry point.
    • docker → singularity container conversion does not add the entry point.

January  18th 2019

  • 4.9.1
    • container execution
      • data transfers happen within the container
      • python3 issue
      • vague rules to discover what python to use
    • Singularity HUb URL's updated
      • Documentation and tutorials need to be updated
      • montage examples
      • python stuff: create JIRA item
    • LIGO pull requests
      • Build pull request
      • PAM module
      • subprocess package thing
      • also related to Python3 movement
  • Transformation Catalog Implementation
  • Astro Py
  • Shifter support at NERSC
  • Panda Integration
    • Rusio data pull in 
    • fetching data might be easier
  • Journal Paper
    • need to write something about containers

December  2018

December 13rd, 2018

  • Pegasus 4.9.1 release
    • local site catalog entry creation
      • based on the pegasus version on the submit host
    • encoding issue in the stdout.
  • Pegasus 5.0 Release
    • TC yaml implementation
      • mukund will create a yaml schema compatible with the TC
    • backwards compatibly 
      • case by case basis
      • definitely for
        • catalogs
        • dax 
        • pegasus-transfer
  • SWIP Paper
    • we are in good shape
  • Titan
    • under the PBS batch gahp.
  • ZTF
    • the pipeline is based on docker-compose
    • peter will visit ISI with postdoc Danny in January
  • Tutorial at TACC
    • karan has updated pegasus-init to work on wrangler
    • will update the tutorial notes accordingly 
  • OLCF accounts
    • make sure they work 
    • get karan and mats can login

November  2018

Nov 29th, 2018

  • Ryan
    • working on comparison paper with george on workflow systems
    • mats, karan shared neon meeting notes with Ryan
  • Pegasus 4.9.1 release
    • Due for december end
    • potential issue in monitord in reference to hierarchal organization of submit directories
    • pegasus-submitdir
  • ADASS Paper
    • due tomorrow
    • need to add information about sample run
  • SWIP paper
    • mats and karan will work on it tomorrow afternoon.
    • cull out sections
    • add information about updated monitoring in 4.9
  • OLCF Kubernetes 
    • Condor is installed and configured as root
    • George tried condor log directory to lustre as condor in container has to run as user not as root
    • LOG_DIR should be /tmp
    • volumes can be attached to container to contain workflows etc
  • Dynamo 
    • Do dynamic scheduling
    • George thinking of using flocking
    • similar to what is done in OSG
    • non-sharedfs deployments should work

Nov 1st, 2018

  • Pegasus 4.9.0 and 4.8.5 Released
    • We released it this week.
  • Pegasus Business Card
    • Advocate for job postings. 
      • Postdoc options
      • Programmers
    • We should take to conferences with us
  • Pegasus JAVA 8 dependence in RPM
    • there is a disconnect between RPM and
    • Karan working on a wlpipe demo example
  • New Student
    • Mukund 
  • Duncan started using 4.9.0 and has updated pyCBC to use singularity
    • changed our container execution model
    • all transfers done within the container now.

October  2018

Oct 12th, 2018

  • Rescheduling meetings
    • New time is Thursdays 2PM starting from last week of October
  • DAX APi reporting
    • Perl DAX API - Rajiv
  • Atlas visit
    • Wednesday we have Scientific Computing Seminar
      • Will involve writing a Pegasus code generator
      • Panda is second biggest after Condor on OSG
    • Thursday 
      • Karan and George will be there.
      • Mats might be available remotely
  • 4.9.0 Release
    • Mats preference is to skip the beta tag
    • Aim for the full release
    • Documentation freeze on Oct 26th
    • Try and do the builds over the weekend
  • Duncan container usecase
    •  cvmfs hosted container images
  • Demo repository
    • panorama data and some runs from exogeni / nersc
    • Mats has two new elastic search VM's and are part of Elastic Search cluster
    • these vm's data is backed up also

Oct 5th, 2018

  • Rescheduling meetings
    • Either Tuesday or Thursdays
      • Karan will circulate a doodle poll

September 2018

September 28th, 2018

  • Rescheduling meetings
    • Either Tuesday or Thursdays
      • Karan will circulate a doodle poll
  • Pegasus 4.9.0 Release
    • transformation selection issue
      • karan has not been able to recreate it yet.
      • will look into it more today
    • docker singularity pulls
    • container symlink 
    • deprecate api's
      • modify DAX generators to indicate version/ DAX API used.
      • will look into ways on how to do it
        • one way is workflow metadata attributes
        • second is attribute to ADAG object.
      • rajiv will check how it gets stored in the metrics server
    • will try and do a poster with Mike at ADASS
    • deadline is Oct 8th

September 21st, 2018

  • Rescheduling meetings
    • Either Tuesday or Thursdays
  • Pegasus 4.9 release
    • integrity error reporting
      • pegasus-statistics reporting information about integrity errors
      • the unicorn dashboard for internal swip purposes
        • errors are appearing in the stream
        • more brainstorming required. the data is there
        • not clear whether to use grafana or kibana
          • does not have drill down functionality
          • mix of production and test workflows
          • create different queues in AMQP exchanges
    • container mount point support
      • karan is close to have that being implemented
    • transferring outputs to multiple location
      • lets say one for portal and the other for 
      • list of output sites
      • good feature to add for 4.9.1
      • update --output-site option to pegasus-plan
    • pull docker images for singularity runs
      • we should do for 4.9.0
      • planner needs to tell pegasus-transfer an extra attribute. 
        • add a type attribute
    • Papers 
      • Github private papers repo
    • Deprecate stuff
      • perl api
      • old catalog formats
      • pegasus-plots
    • Hiring

August 2018

August 24th, 2018

  • Pegasus 4.8.4 Release
    • when are we releasing?
      • next week before mats go on vacation
  • error tagging
    • update stampede schema to add a table called tags
    • will allow us to capture number of integrity errors

August 17th, 2018

  • Pegasus 4.8.4 Release
    • RPM fix ? 
    • mats will manually verify
    • Karan should follow up with Stuart
  • AMQP filtering
    • we are working on having filtering in built into monitord
    • nepomunk already has 33 errors identified
    • we need to db connection, pegasus-db-admin and other tools to pass properties with pegasus property prefix stripped off
  • SWIP Paper
    • one reject seems to be harsh
    • we can try for HPDC also

August 3, 2018

  • Pegasus 4.8.3 Release
    • Design Safe / TACC on Wrangler headnode
    • Nextflow has integration with SLURM and everything can be installed in user space
  • PMC unit tests are broken
    • lets fix the tests
  • Pegasus 4.9 release
    • more real life runs
    • nepomunk against ceph-s3 from one of uchicago machines
    • we need to get stats reported for integrity errors
      • larger issue of error classification
  • ADASS Tutorial
    • we got into second round
      • add on exercise to run montage in the end.
  • LIGO
    • Bruce group at AEI Hannover has left LSC
  • Infrastructure
    • HipChat mess
      • should we move to ISI Slack
    • Public Chat feature
      • Some clients for Hipchat
    • Get a free channel from Slack
      • for all Hipchat rooms
      • what about ISI slack?? 
    • Github removal of old integrations
  • MINT Meeting
    • went well overall 
    • issue of scoping . 

July 2018

July 27th, 2018

  • Pegasus 4.8.3 Release
    • VM Tutorial
      • will update pegasus-init requirements to get it working
      • main tutorial chapter will be updated for 4.9
        • because then tutorial based container may not work
    • change how docker scripts set environment
    • SCEC database loading error
  • Failing Tests
    • Issue in updates to the dashboard database
  • Panorama Paper
    • agreed on a re-organization

June 2018

June 29th, 2018

  • Pegasus
    • 4.8.3 needs to be released because of singularity launching options
      • will wait till tutorial is updated. 
      • karan will update pegasus-init with population modeling or povray option
    • 4.9
      • pegasus-statistics updated with integrity metrics
      • how to flag job errors because of integrity
        • need to figure out logic
        • value add proposition
        • maybe we should value type in the pegasus lite 
      • need to implement the integrity dial
    • Start creating default local site entries to execute without local site
  • ADASS Tutorial
    • Will submit today 
    • Google doc shared

June 22nd, 2018

  • Pegasus
    • SWIP paper submitted to escience
    • 4.8 montage tests failing
    • changes for integrity metrics in pegasus-transfer
    • updated monitord to parse events from various sources like pegasus lite output
    • mats pointed out to a bug in monitord
  • LIGO
    • pip for python source package
      • update dependencies for latest packages , like pyopen ssl
      • install in the pip repository
    • pegasus-analyzer
    • interested in swip and containers.
    • will use containers
    • run on Comet
  • 1000 genome workflow or use chimerica workflow
  • ADASS Tutorial
    • montage ? 
    • probably pycbc is also submitting a proposal

June 8th, 2018

  • Scott Replica Catalog issue
    • Replica Catalog deletes take a long time
  • Bamboo
    • bamboo emails are no longer received. so we dont come to know about workflow plan failures
  • SWIP 
    • monitord integrity changes.  population of data from ks records working now.
    • we still need to populate data from pegasus lite records and pegasus-transfer
    • pegasus-statisitcs need to be updated
    • 0.1% overhead on production osg gem workflow
  •  Pegasus deployment at ORNL
    • we should be doing it similar to hpc-pegasus
  • Pegasus Office Hours
    • next one in August
    • travels in July

May 2018

May 4th, 2018

  • Pegasus 4.8.2 Release done on May 3rd
  • we should consider separate user data to a separate file on pegasus-wms
  • si2 meeting updates
    • some potential new users
    • ewa slides were a good overview summary
    • integrity data schema changes. 
    • monitord changes need thinking

April 2018

April 6th, 2018

  • Pegasus 4.8.2 Release
    • PMC bugs
    • tutorial for usc hpc
    • no longer allow + or . in the names
  • Pegasus Report
    • Submitted for Ewa' review
  • SWIP test run
    • discovered integrity errors in the wild
    • at colorado and university of nebraska
      • we would have not caught it before
    • e-science paper

March 2018

March 30th, 2018

  • SWIP
    • pegasus-run issue, with wf restarting from scratch
      • because dagman rescue file is not there.
      • so should we update pegasus-run to look at the dagman.out file
        • so far we think it should be kept consistent with normal dagman behavior
        • to de discussed at condor week
    • mats created a Jira item for swip related statistics
    • Things remaining
      • Dials to be implemented
      • stampede changes
      • pegasus-transfer changes???
  • SC Tutorial Submission ( April 16th) 
    • We should try and add exercises for containers
    • We will try for half day
      • 45 minute introduction
    • Feedback from Arizona Container Camp
      • There is interest.
    • coming up with an existing application that people understand or can relate to
      • montage - complex dax generator
      • rosetta
        • only works in nonsharedfs stuff 
        • with 
      • machine learning example?
        • with tensor flow?
        • requires container
      • NVIDIA has a lot of examples about machine learning
        • has to be multistep
        • and at least bag of tasks
      • Ashwin is doing some tensor flow stuff
        • on
        • is working out of  jupyter notebook
      • Genome sequencing workflows??
        • use Broad GATK sequencing workflow to use
        • SOYKB and IRRI use GATK
        • and are huge communities
  • Pegasus Report
    • we should be resolve Jira items as we fix them
    • will be also doing cumulative statistics 
  • Pegasus Office Hours
    • Jupyter Notebooks
    • will update the example to use namd example used for Oakridge
  • Panorama Stuff
    • our multiplexing part in monitord done so far
      • however we are relying on amqp queues and routing keys for filtering
    • darshan data population
      • we need to invoke a script (pegasus-darshan) that will be invoked in the namd wrapper script, to pull the data from darshan logs on the file system and generate an ASCII output
    • VM
      • AMQP
      • Logstash
      • Kibana
      • Elastic Search
        • Make it do a backup every so often.
        • Warns against doing it as a permanent datastore
        • Rajiv will verify
      • Influx
    • Backups
      • CRASH PLAN backup for the /srv and /opt in the panorama VM
  • LIGO Database locked issues
    • we need to look into the locking issues by tinkering with monitord flush intervals

March 16th, 2018

  • SWIP
    • Most of the SWIP stuff is done as far as planner changes and getting the workflows running
    • we are in a position to share something
    • To do
      • sharedfs
      • Dial implementation
      • Update monitoring
      • Paper submission for EScience
  • Pegasus Reports
    • new applications to attribute to pegasus grants
    • all the mike wangs work will go here
    • SCEC
    • LIGO - need to ping Duncan
  • Panorama/ Pegasus workflow endpoints
    • We seems to be going towards AMQP
      • How is AMQP going to be configured
      • So far we have 
        • amqp://[USERNAME:PASSWORD@][:port]/<exchange_name>
          Online monitoring in kickstart 
          • amqp://[USERNAME:PASSWORD@][:port]/<virtualhost>/<exchange_name>
      • Virtual Hosts
        • right now virtual host is hardcoded in monitord code. we set it to pegasus
        • global - across workflows
      • Exchanges
        • should be global across workflows
        • type direct - in panorama
        • we want them to be type -> topic instead
      • Queue
        • in panorama different queues for each workflows
      • Routing Keys
        • the routing key should be based on stampede event names
      • Events populated

February 2018

February 23th, 2018

Eliminate support for Py2.6?

Python Dependencies

All - future

pegasus-service - Flask, SQLAlchemy, Flask-SQLAlchemy, Flask-Cache, pam, plex, pyOpenSSL, ordereddict

pegasus-monitord - SQLAlchemy

pegasus-analyzer - SQLAlchemy

pegasus-s3 - boto

pegasus-globus-* - globus-sdk

pegasus-init - jinja2

pegasus-metadata - argparse

pegasus-em - requests

PostgreSQL - psycopg2

MySQL - MySQL-Python OR mysqlclient

Note: Packages in green are available from yum.

February 9th, 2018

  • SWIP 
    • checksum computation will be implemented in pegasus-transfer. 
      • allows us to handle the case where the input files don't have checksums in the RC
    • integrity checks are disabled now for files that dont have checksums in the RC
    • dial knob
  • Tests
    • seem to be slow
    • bamboo could be moved to the new server
    • storage constraint test
  • Lizard FS
    • Mats will give an update next time around
  • Servers
    • Trying to do two server
    • IF we buy one server
      • Buy a storage server. That is Mats preference.
      • SoyKB workflow has
    • Compute 
      • we will get a compute server first. 
    • We should figure out the server and put in the request soon, and done by Feb end
  • LSST
    • Tom Glanzman? 
    • We will touch base on Monday with Tom and Nersc folks
  • Office Hours today
    • have a presentation on containers
    • will upload on the website

January 2018

January 12nd, 2018

  • AWS Batch
    • seems to be running in karan's account.
    • update documentation about aws batch
  • Pegasus 4.8.1 Release
    • upto Mats whether we should tag or not.
  • Pegasus Office Hours
    • Rafael will look up a new name
    • Container Presentation
      • Talk about containers
      • Blue Jeans 
    • Advertising avenues
      • XSEDE workflows list
      • OSG List 

December 2017

December 1st, 2017

  • AWS Batch
    • Client done. still have to figure out about stdout and stderr
    • maybe we should have batch push the files and control where the jobs go in
    • also maybe each file should go to it's own stdout stderr
  • Metrics for SWIP
    • Stampede
    • Metrics Server
    • Elastic Search
  • Rajiv working on changing the salt configuration
  • Model Integration with Wings

November 2017

November 10th, 2017

  • Pegasus
    • AWS Batch
      • checked in stuff
      • jars checked in aws sub directory in the jars folder.  pegasus-config classpath is updated accordingly
    • Bamboo builds
      • change in how users are handled
      • rajiv and mats worked on changing the salt configuration for the various machines
        • the major part changed was how the users are handled
        • the bamboo user got messed up and uid's were mismatching on the filesystem
        • main group for people unix accounts should be pegasus for everybody
        • only project users will have access to VM's for a particular project
    • Stewie Rebuild
      • move off stewie. the main OS needs to be updated
      • parnorama
        • Rafael and Geroge will create a VM for panorama
          • CENTOS 7
            • mats will help George create VM
          • Ashwin consumers from Influx DB
      • mysql server
        • Pegasus metrics server
    • JSON vs YAML
      • initial impressions seem to favor yaml
        • YAML does have benefit of including comments
        • also YAML , JSON will result in additional lines
    • templates for site catalogs
    • LSST
      • mats will update documentation for pyglidein 
      • to work with condor pool passwords thing
      • also will take mike site catalog to update NERSC entries
    • tests
      • rosetta and montage appear working again. not clear what triggered errors in first place
  • SC Next week
    • Rafael and Karan are away
  • AWS workshop for LIGO
  • George Panorama work
    • Dakota ends up launching multiple Pegasus workflows based on it's gradient functions
    • using ensemble manager to do multiple runs 
    • George will check in dakota test case and example
      • pick one approach and update documentation
    • SWIP Demo
    • think about merging stuff from panorama back to production branch
  • work with ian foster and raj kettimutt on globus online
    • do multi site run
  • Tudo
    • working on insitu
    • data spaces approach to have staging area
    • tudo wrote sample applications
    • evaluating on CORI using shared memory
    • burst buffers cannot be used
  • Ashwin
    • analyzes influx db data
    • using statistical learning
    • python panda library

November 3rd, 2017

  • Pegasus 4.8.1 release
    • 3 bugs in worker package staging.
    • pegasus-transfer PYTHONHOME unset does not work
    • hierarchal workflow handling. 
      • to be discussed tomorrow
  • AWS Batch
    • need to check in changes.
    • need to add options for the client and do error checking.
    • still need to figure out how to integrate in pegasus

September 2017

September 15th, 2017

  • Pegasus development
    • Dashboard
      • LSST might want it running out of a directory other than $HOME/.pegasus 
      • No plans to tackle it right now. requirements are vague. and catch 22 situtation
    • Python problem with Pegasus install
      • DAX3 problem does not work.
      • Could not be recreated
    • PyPy account should be disabled
      • pypy has a 4.3 pegasus package
      • we should remove it
    • The jobname with dagman not allowing . is fixed
  • LIGO
    • Heard from Duncan. Tried out metadata stuff
  • Another person at NERSC that is interested in running Condor
  • AWS Batch
    • done initial development.
    • how to retrieve logs etc.

September 8th, 2017

  • Pegasus 4.8.0 Release
    • went out this week
    • documentation
    • pyglidein
      • out of icecube
      • mats added a section in the documentation
        • pretty neat once it is setup
        • and works really well on machines with two factor
        • not tuned for MPI things.
        • on the submit  machine a web based python thing.
        • pegasus resource profiles will work out of the box with pyglidein
  • Releases
    • Post 4.8 Releases 
      • changes in the debain build
        • source package has been renamed. mats removed the source part
        • changed the versioninig of RPM and debian. The dev series will have the timestamp in it.
          • pegasus-version -f also has timestamp
      • Will create a separate YUM and DEB developer repositories
        • repositories will not be signed. 
      • Mats is still playing setup
      • Worked a lot on Debian packaging.
  • HipChat will be upgraded to Stride
  • Mats updated JIRA today
  • Sim Center Workflows
    • Using Condor IO thing
    • for 4.8.1 we should look at the remap thing
  • SWIP Poster
    • the first review is really good
  • Docker and Singularity
    • have stuff about engineering challenges
    • But not enough usage
    • Practical Aspect
  • Von's Group SWAMP thing.
    • pegasus is part of trusthworthy software thing?
  • AWS Batch
    • AWS batch thing works
  • Investigate how Dakota and Pegasus can work together
    1. Run Dakota as a job 
    2. Run Dakota on submission machine
      1. dakota calls a script that does a pegasus workflow
    3. Mix of 1 and 2.

August 2017

August 25th, 2017

  • Pegasus 4.8.0 Release
    • beta3 tagged
    • monitord replay issue for rc tables against mysql server
    • Jupyter thing
      • VM updated with Jupyter
    • Docker example application 
    • R builds with pegasus
      • for time being only brew builds have that disabled.
      • Condor update to the brew installation. 
  • Pegasus 4.9 Roadmap
    • SWIP 
      • lay out the changes
        • prioritize stuff for production readiness
        • the knob for integrity. 
        • get into transfers.
        • signing stuff on the backburner.
      • chaos monkey tests
    • metadata things
    • aws batch support
  • Pegasus Tutorial
    • George felt that Pegasus tutorial was a bit too easy.
    • it should be maybe more interactive. get the user to develop a new workflow
  • Tudo will pick up Decaf work
  • Dataspaces
    • do data management
  • Ashwin will work on deep learning on panorama
    • use tensor flow
  • Dakota
    • ini file . runs simulation and converges simulation points
    • George will be working on it
    • has a checkpoiniting facility

August 18th, 2017

  • mats found a new hydrology user in boulder
    • based at Boulder
    • there was a magpie presentation there. 
    • mats did a hosted ce tutorial
  • 4.8.0beta2 release
    • tagged and sent it out. 
  • monitord workflow and read permissions creation
    • should only when the database is created.
    • ~/.pegasus directory should be 755
  • dashboard errors
    • rajiv should traverse the directory in the dashboard.
  • LSST
    • cleanup issue
      • mats and karan agree on it, that it is bad application
      • we should reply to it. 
      • the wrapper should copy the file and launch the job
  • source a setup a script for jobs
    • has to be generically done
  • registration jobs shell expansion
    • we should not do getEnv=True
  • testing repo
    • stuart from LIGO asked for it.
    • we have the examples updated
  • Karan will remind Eliu about LIGO and Bluewaters
  • Slick Jupyter Demos
    • Started up VM's
  • Jupyter tutorial
    • should be integrated into the VM

August 11th, 2017

  • Bamboo is finally green
  • we will do a Pegasus RC1. actually a beta since we still want to address some issues.
  • Rajiv fixed the build with python crypto issues
    • pyopen-ssl was updated during 4.7.x series
    • we should package only things that we are not sensitive to the versions
    • so right now pyopenssl is removed from binary builds, and all associated dependencies were removed.
  • New throttling things.
    • number of jobs scale with the size of the workflows.
  • SCEC all hands meeting.
  • Documentation
    • Took a stab at the containers.
    • Rafael has to add a separate jupyter chapter
    • Karan will update the throttling docs
  • LSST
    • Mats and Karan had a call with Tom about designing a workflow for one of the production pipelines
    • Mats and Rafael had a call with the French cluster folks (Fredrique Sutter). Fredrique works for simgrid
  • Paper
    • rvGAHP paper ready for submissions
  • Suraj Poster
    • Mings pass really helped