I can't get a LIGO workflow through with integrity checking turned on as it fails on the trigger merge jobs:

2018-11-14 06:03:51,485 INFO: --------------------------------------------------------------------------------
2018-11-14 06:03:51,485 INFO: Stats: Total 6751 transfers, 18.8 GB transferred in 71 seconds. Rate: 272.1 MB/s (2.1 Gb/s)
2018-11-14 06:03:51,485 INFO: Between sites local->local : 6751 transfers, 18.8 GB transferred in 71 seconds. Rate: 272.1 MB/s (2.1 Gb/s)
2018-11-14 06:03:51,485 INFO: All transfers completed successfully.

1. 1. 1. 1. 1. 1. 1. 1. 1. 1. 1. 1. 1. 1. 1. 1. 1. 1. 1. 1. 1. Checking file integrity for input files #####################
                                                               condor_exec.exe: line 74295: /var/lib/condor/execute/dir_46963/pegasus.uQi28sCTM/pegasus-4.9.1dev/bin/pegasus-integrity: Argument list too long
                                                               2018-11-14 06:03:51: Last command exited with 1
                                                               2018-11-14 06:03:51: /var/lib/condor/execute/dir_46963/pegasus.uQi28sCTM cleaned up
                                                               PegasusLite: exitcode 1

The files should be passes via stdin, like stagein jobs, and not on the command line.