Skip to main content.

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 8.7.3 released!

September 12, 2017

The HTCondor team is pleased to announce the release of HTCondor 8.7.3. This development series release contains new features that are under development. This release contains all of the bug fixes from the 8.6.6 stable release. Enhancements in the release include: Further updates to the late job materialization technology preview; An improved condor_top tool; Enhanced the AUTO setting for ENABLE_IPV{4,6} to be more selective; Fixed several small memory leaks. Further details can be found in the Development Version History and the Stable Version History. HTCondor 8.7.3 binaries and source code are available from our Downloads page.
HTCondor 8.6.6 released!

September 12, 2017

The HTCondor team is pleased to announce the release of HTCondor 8.6.6. A stable series release contains significant bug fixes. Highlights of this release are: HTCondor daemons no longer crash on reconfig if syslog is used for logging; HTCondor daemons now reliably leave a core file when killed by a signal; Negotiator won't match machines with incompatible IPv{4,6} protocol; On Ubuntu, send systemd alive messages to avoid restarting HTCondor; Fixed a problem parsing old ClassAd string escapes in the python bindings; Properly parse CPU time for Slurm grid universe jobs; Claims are released when parallel univ jobs are removed while claiming; Starter won't get stuck when a job is removed with JOB_EXIT_HOOK defined; To reduce audit logging, added cgroup rules to SELinux profile. More details about the fixes can be found in the Version History. HTCondor 8.6.6 binaries and source code are available from our Downloads page.
Intel and Broad Institute identify HTCondor for Genomics Research

August 10, 2017

Researchers and software engineers at the Intel-Broad Center for Genomic Data Engineering build, optimize, and widely share new tools and infrastructure that will help scientists integrate and process genomic data. The project is optimizing best practices in hardware and software for genome analytics to make it possible to combine and use research data sets that reside on private, public, and hybrid clouds, and have recently identified HTCondor on their web site as an open source framework well suited for genomics analytics.
Updated EL7 RPMs for HTCondor 8.4.12, 8.6.5, and 8.7.2

August 7, 2017

The HTCondor team has released updated RPMs for HTCondor versions 8.4.12, 8.6.5, and 8.7.2 running on Enterprise Linux 7. In the recent Red Hat 7.4 release, the updated SELinux targeted policy package prevented HTCondor's SELinux policy module from loading. Red Hat Enterprise Linux 7.4 systems running with SELinux enabled will require this update for HTCondor to function properly.
HTCondor 8.6.5 released!

August 1, 2017

The HTCondor team is pleased to announce the release of HTCondor 8.6.5. A stable series release contains significant bug fixes. Highlights of this release are: Fixed a memory leak that would cause the condor_collector to slowly grow; Prevent the condor_starter from hanging when using cgroups on Debian; Fixed several issues that occur when IPv6 is in use; Support for using an ImDisk RAM drive on Windows as the execute directory; Fixed a bug where condor_rm rarely removed another one of the user's jobs; Fixed a bug with parallel universe jobs starting on partitionable slots. More details about the fixes can be found in the Version History. HTCondor 8.6.5 binaries and source code are available from our Downloads page.
HTCondor 8.7.2 released!

June 22, 2017

The HTCondor team is pleased to announce the release of HTCondor 8.7.2. This development series release contains new features that are under development. This release contains all of the bug fixes from the 8.6.4 stable release. Enhancements in the release include: Improved condor_schedd performance by turning off file checks by default; condor_annex -status finds VM instances that have not joined the pool; Able to update an annex's lease without adding new instances; condor_annex now keeps a command log; condor_q produces an expanded multi-line summary; Automatically retry and/or resume http file transfers when appropriate; Reduced load on the condor_collector by optimizing queries; A python based condor_top tool. Further details can be found in the Development Version History and the Stable Version History. HTCondor 8.7.2 binaries and source code are available from our Downloads page.

Software

Community

Research and Development