This is an outdated version of the HTCondor Manual. You can find current documentation at http://htcondor.org/manual.

10.3 Stable Release Series 8.2

This is a stable release series of HTCondor. As usual, only bug fixes (and potentially, ports to new platforms) will be provided in future 8.2.x releases. New features will be added in the 8.3.x development series.

The details of each version are described below.

Version 8.2.0

Release Notes:

• HTCondor version 8.2.0 released on June 24, 2014.

New Features:

• The new configuration variable SOCKET_LISTEN_BACKLOG controls the listen backlog setting for a daemon's command port. The default value of 500 implements the previously hard coded value. (Ticket #4393).

• Streamlined the network protocol used by condor_submit, resulting in faster job submission times and less condor_schedd overhead, especially when performing a submit to a remote condor_schedd. (Ticket #3846).

• The default value for configuration variable CLAIM_WORKLIFE has changed from 60 minutes to 20 minutes. (Ticket #4374).

• The default value for configuration variable NEGOTIATOR_PRE_JOB_RANK has changed to prefer to match multi-core jobs to dynamic slots in a best-fit manner. And, the default value for configuration variable PREEMPTION_RANK has changed to first choose the user with the worst priority, and then choose the job of that user with the least amount of accumulated run time. (Ticket #4374).

• The default set of metrics published by the condor_gangliad has been reduced to an essential set of scheduler and negotiator metrics. Also, the units for accumulated times have changed from seconds to hours. (Ticket #4299).

Bugs Fixed:

• Fixed a bug that caused a memory leak in the condor_procd when cgroup tracking is enabled. (Ticket #4408).

• Fixed a bug that caused a memory leak in the condor_collector under heavy load. This bug was introduced in HTCondor version 8.1.5. (Ticket #4370).

• Windows machines with more than nine dynamic slots may have failed to start jobs due to a limit on the number of characters in a user name. To address this limit, the user name is shortened from condor-reuse-slot<N> to condor-slot<N>. (Ticket #4388).

• Fixed a bug in which condor_q failed to communicate with a condor_schedd of HTCondor version 8.1.4. (Ticket #4384).

• Fixed bugs introduced in HTCondor version 8.1.5 that caused communication between the cream_gahp and the remote CREAM servers to fail. (Ticket #4392).

• Fixed a bug introduced in HTCondor version 8.1.2 that caused grid-type cream jobs to fail when copy_to_spool was set to True in the submit description file. (Ticket #4391).

• When submitting a grid universe job with a grid type of batch and setting request_memory, the job would fail if the remote batch system was HTCondor. This has been fixed. (Ticket #4367).

• Improved the detection of IPv4 link-local addresses. (Ticket #4341).

• Fixed a bug in which the HTCondor central manager may attempt to send email to a user named NONE, if configuration variable CONDOR_DEVELOPERS is left unset. (Ticket #4399).

• Fixed a bug in which condor_user_prio could result in a segmentation fault when given the -grouporder option. (Ticket #4407).

• Fixed a bug that caused frequent crashes of the cream_gahp. (Ticket #4406).

• Fixed a bug that prevented attribute SubmitterUserPrio from properly functioning in PREEMPTION_REQUIREMENTS and PREEMPTION_RANK expressions as documented in section 3.4.3. (Ticket #4369).

• Fixed a bug that could cause some commands sent to HTCondor daemons to fail, especially when sent over a slow network. This bug was introduced in HTCondor version 8.1.5. (Ticket #4368).