I have a task which every loop add,commit,merge,push file to git, code like loop git task, the git project is 10G large, but every loop just submit 2 file, the problem is that the rss memory keep up until memory exhaust!

system: $ uname -a
Linux hmp-dev.fi.beibei.com 3.10.0-229.el7.x86_64 #1 SMP Fri Mar 6 11:36:42 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

any one can give some suggestion?