This is an RFE.  Upstream is already planning to overhaul /etc/openshift/resource_limits.conf so I cloned this for tracking purposes.
  
+++ This bug was initially created as a clone of Bug #976607 +++

Description of problem:
Setting the memory limit in /etc/openshift/resolve.conf is restricted to memory limit in bytes ('memory_limit_in_bytes' parameter). There is no support to take format '<Limit>' GB or '<Limit> MB'. 

Version-Release number of selected component (if applicable):
rubygem-openshift-origin-node-1.10.1-1.git.130.7e5622d.el6op.noarch


Steps to Reproduce:
1. cat /etc/openshift/resource_limits.conf


Actual results:
[9:51:12 PM] Dan Trainor: [root@qa02node01-3001 openshift]# cat resource_limits.conf
#
# Limit resources for a new OpenShift guest user on a node
#
# Standard Profile
#
node_profile=small

#
# Quotas: File system limits
#
quota_files=40000
# 1GB.  1 block = 1024byte
quota_blocks=1048576

# Gear usage limits:
# "apps" accounting used outdated logic ("git repos" not "gears"). It is being
# replaced with "gears" accounting. Logic for max_active_gears falls back to
# use max{_active,}_apps if not set, and vice versa. Gears usage/capacity/limits
# are counted according to actual gears regardless.
#
# max_active_gears is used for limiting/guiding gear placement.
# For no over-commit, should be (Total System Memory - 1G) / memory_limit_in_bytes
max_active_gears=100

# PAM - resource limits
# limits_core
#<item> can be one of the following:
# limits_core=unlimited         # limits the core file size (KB)
# limits_data=unlimited         # max data size (KB)
# limits_fsize=unlimited        # maximum filesize (KB)
# limits_memlock=unlimited      # max locked-in-memory address space (KB)
# limits_nofile=unlimited       # max number of open files
# limits_rss=unlimited          # max resident set size (KB)
# limits_stack=unlimited        # max stack size (KB)
# limits_cpu=unlimited          # max CPU time (MIN)
limits_nproc=250        # max number of processes
# limits_as=unlimited           # address space limit (KB)
# limits_maxlogins=unlimited    # max number of logins for this user
# limits_maxsyslogins=unlimited # max number of logins on the system
# limits_priority=unlimited     # the priority to run user process with
# limits_locks=unlimited        # max number of file locks the user can hold
# limits_sigpending=unlimited   # max number of pending signals
# limits_msgqueue=unlimited     # max memory used by POSIX message queues (bytes)
# limits_nice=19   # max nice priority allowed to raise to values: [-20, 19]
# limits_rtprio=19 # max realtime priority

#
# cgroups - more resource limits
#
#
# cpu
# cpu_rt_period_us=100000
# cpu_rt_runtime_us=950000
cpu_shares=128
cpu_cfs_quota_us=30000
#
# memory
# 1024 * 1024 * 512 = 536870912 = 512MB
memory_limit_in_bytes=1536870912
memory_memsw_limit_in_bytes=641728512 # 512M + 100M (100M swap)
# memory_soft_limit_in_bytes=-1
# memory_swappiness=60

#
# Apache bandwidth limit
#
apache_bandwidth="all 500000"
apache_maxconnection="all 20"
apache_bandwidtherror="510"
#
# Apache rotatelogs tuning
rotatelogs_interval=86400
rotatelogs_format="-%Y%m%d-%H%M%S-%Z"


Expected results:
A parameter to take memory limit in GB or MB

Additional info:

--- Additional comment from RHEL Product and Program Management on 2013-06-20 22:06:34 EDT ---

Since this issue was entered in bugzilla, the release flag has been
set to ? to ensure that it is properly evaluated for this release.