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Computing with HTCondor™

Our goal is to develop, implement, deploy, and evaluate mechanisms and policies that support High Throughput Computing (HTC) on large collections of distributively owned computing resources. Guided by both the technological and sociological challenges of such a computing environment, the Center for High Throughput Computing at UW-Madison has been building the open source HTCondor distributed computing software (pronounced "aitch-tee-condor") and related technologies to enable scientists and engineers to increase their computing throughput.

Note: The HTCondor software was known as 'Condor' from 1988 until its name changed in 2012. If you are looking for Phoenix Software International's software development and library management system for z/VSE or z/OS, click here.

Latest News [RSS]

HTCondor 8.7.0 released!

March 2, 2017

The HTCondor team is pleased to announce the release of HTCondor 8.7.0. This development series release contains new features that are under development. This release contains all of the bug fixes from the 8.6.1 stable release. Enhancements in the release include: Performance improvements in collector's ingestion of ClassAds; Added collector attributes to report query times and forks; Removed extra white space around parentheses when unparsing ClassAds; Technology preview of the HTCondor Annex. Further details can be found in the Development Version History and the Stable Version History. HTCondor 8.7.0 binaries and source code are available from our Downloads page.
HTCondor 8.6.1 released!

March 2, 2017

The HTCondor team is pleased to announce the release of HTCondor 8.6.1. Highlights of this release are: condor_q works in situations where user authentication is not configured; Updates to work with Docker version 1.13; Fixed several problems with the Job Router; Update scripts to support current versions of Open MPI and MPICH2; Fixed a bug that could corrupt the job queue log when the disk is full. More details about the fixes can be found in the Version History. HTCondor 8.6.1 binaries and source code are available from our Downloads page.
HTCondor Week 2017 registration open

February 23, 2017

Registration is now open for HTCondor Week 2017. The registration deadline is April 17, 2017.
HTCondor Week 2017 web page available

February 15, 2017

The HTCondor Week 2017 web page is now available. This web page includes information about nearby hotel options (note that HTCondor Week 2017 will be held at a different location than the last few HTCondor Weeks, so that may affect your hotel choice). Registration should be open by the end of February; at this time we anticipate a registration fee of $85/day.
HTCondor 8.6.0 released!

January 26, 2017

The HTCondor team is pleased to announce the release of HTCondor 8.6.0. After a year of development, this is the first release of the new stable series. Highlights of this release are: condor_q shows shows only the current user's jobs by default; condor_q summarizes related jobs (batches) on a single line by default; Users can define their own job batch name at job submission time; Immutable/protected job attributes make SUBMIT_REQUIREMENTS more useful; The shared port daemon is enabled by default; Jobs run in cgroups by default; HTCondor can now use IPv6 addresses (Prefers IPv4 when both present); DAGMan: Able to easily define SCRIPT, VARs, etc., for all nodes in a DAG; DAGMan: Revamped priority implementation; DAGMan: New splice connection feature; New slurm grid type in the grid universe for submitting to Slurm; Numerous improvements to Docker support; Several enhancements in the python bindings. Further details can be found in the Upgrade Section. A few bugs were fixed during our stabilization effort. More details about the fixes can be found in the Version History. HTCondor 8.6.0 binaries and source code are available from our Downloads page.
HTCondor 8.4.11 released!

January 23, 2017

The HTCondor team is pleased to announce the release of HTCondor 8.4.11. A stable series release contains significant bug fixes. This release is the last planned release of the 8.4 series. Highlights of this release are: Fixed a bug which delayed startd access to stard cron job results; Fixed a bug in pslot preemption that could delay jobs starting; Fixed a bug in job cleanup at job lease expiration if using glexec; Fixed a bug in locating ganglia shared libraries on Debian and Ubuntu. Further details can be found in the Version History. HTCondor 8.4.11 binaries and source code are available from our Downloads page.

Save the dates!

HTCondor Week 2017 will be held Tuesday, May 2 through Friday, May 5, 2017 at the Fluno Center on the University of Wisconsin-Madison campus. Registration is now open! The registration deadline is April 17, 2017.

The 2017 European HTCondor workshop will be held Tuesday, June 6 through Friday, June 9, 2017 at DESY in Hamburg, Germany.

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