Revert "Remove the lowest memory requirement of 512MB."
Revert "Remove the lowest memory requirement of 512MB."

This reverts commit 5cf6d5949d6c776e24d3bd5c0b417000f1efc57a.

Kambda/Mobbr,daiyu/gitlab-zh,sakishum/gitlabhq,tempbottle/gitlabhq,dplarson/gitlabhq,OtkurBiz/gitlabhq,k4zzk/gitlabhq,youprofit/gitlabhq,fendoudeqingchunhh/gitlabhq,stellamiranda/mobbr-gitlabhq,htve/GitlabForChinese,initiummedia/gitlabhq,SVArago/gitlabhq,jrjang/gitlab-ce,icedwater/gitlabhq,michaKFromParis/gitlabhq,larryli/gitlabhq,LUMC/gitlabhq,michaKFromParis/gitlabhq,allysonbarros/gitlabhq,aaronsnyder/gitlabhq,nguyen-tien-mulodo/gitlabhq,LytayTOUCH/gitlabhq,williamherry/gitlabhq,jrjang/gitlabhq,revaret/gitlabhq,liyakun/gitlabhq,sekcheong/gitlabhq,ibiart/gitlabhq,joalmeid/gitlabhq,TheWatcher/gitlabhq,H3Chief/gitlabhq,sonalkr132/gitlabhq,mmkassem/gitlabhq,DanielZhangQingLong/gitlabhq,tim-hoff/gitlabhq,jrjang/gitlab-ce,whluwit/gitlabhq,iiet/iiet-git,screenpages/gitlabhq,michaKFromParis/gitlabhq,yuyue2013/ss,ikappas/gitlabhq,ayufan/gitlabhq,darkrasid/gitlabhq,theonlydoo/gitlabhq,OtkurBiz/gitlabhq,childbamboo/gitlabhq,fearenales/gitlabhq,vjustov/gitlabhq,sekcheong/gitlabhq,DanielZhangQingLong/gitlabhq,zrbsprite/gitlabhq,mrb/gitlabhq,martijnvermaat/gitlabhq,LUMC/gitlabhq,kemenaran/gitlabhq,tim-hoff/gitlabhq,jaepyoung/gitlabhq,nmav/gitlabhq,ZeoAlliance/gitlabhq,mathstuf/gitlabhq,luzhongyang/gitlabhq,htve/GitlabForChinese,tim-hoff/gitlabhq,hacsoc/gitlabhq,kemenaran/gitlabhq,rebecamendez/gitlabhq,dreampet/gitlab,t-zuehlsdorff/gitlabhq,fpgentil/gitlabhq,yuyue2013/ss,MauriceMohlek/gitlabhq,cncodog/gitlab,salipro4ever/gitlabhq,mr-dxdy/gitlabhq,ferdinandrosario/gitlabhq,manfer/gitlabhq,koreamic/gitlabhq,aaronsnyder/gitlabhq,t-zuehlsdorff/gitlabhq,fendoudeqingchunhh/gitlabhq,martijnvermaat/gitlabhq,ksoichiro/gitlabhq,phinfonet/mobbr-gitlabhq,koreamic/gitlabhq,NuLL3rr0r/gitlabhq,louahola/gitlabhq,rebecamendez/gitlabhq,delkyd/gitlabhq,ayufan/gitlabhq,jvanbaarsen/gitlabhq,copystudy/gitlabhq,ttasanen/gitlabhq,chadyred/gitlabhq,k4zzk/gitlabhq,dukex/gitlabhq,iiet/iiet-git,theonlydoo/gitlabhq,yonglehou/gitlabhq,ferdinandrosario/gitlabhq,cncodog/gitlab,SkyWei/gitlabhq,dreampet/gitlab,NKMR6194/gitlabhq,cui-liqiang/gitlab-ce,koreamic/gitlabhq,julianengel/gitlabhq,hzy001/gitlabhq,Burick/gitlabhq,stanhu/gitlabhq,luzhongyang/gitlabhq,yatish27/gitlabhq,mente/gitlabhq,gopeter/gitlabhq,sakishum/gitlabhq,MauriceMohlek/gitlabhq,openwide-java/gitlabhq,Tyrael/gitlabhq,jirutka/gitlabhq,t-zuehlsdorff/gitlabhq,michaKFromParis/gitlabhqold,iiet/iiet-git,Datacom/gitlabhq,daiyu/gitlab-zh,Kambda/Mobbr,Datacom/gitlabhq,Burick/gitlabhq,DanielZhangQingLong/gitlabhq,LytayTOUCH/gitlabhq,yatish27/gitlabhq,pjknkda/gitlabhq,ordiychen/gitlabhq,rhels/gitlabhq,daiyu/gitlab-zh,chadyred/gitlabhq,WSDC-NITWarangal/gitlabhq,LUMC/gitlabhq,LUMC/gitlabhq,rebecamendez/gitlabhq,julianengel/gitlabhq,nguyen-tien-mulodo/gitlabhq,stoplightio/gitlabhq,sakishum/gitlabhq,louahola/gitlabhq,tk23/gitlabhq,martijnvermaat/gitlabhq,WSDC-NITWarangal/gitlabhq,ikappas/gitlabhq,folpindo/gitlabhq,martinma4/gitlabhq,mr-dxdy/gitlabhq,michaKFromParis/gitlabhqold,MauriceMohlek/gitlabhq,rumpelsepp/gitlabhq,joalmeid/gitlabhq,sonalkr132/gitlabhq,Razer6/gitlabhq,stanhu/gitlabhq,hq804116393/gitlabhq,mente/gitlabhq,ferdinandrosario/gitlabhq,copystudy/gitlabhq,bigsurge/gitlabhq,bbodenmiller/gitlabhq,rumpelsepp/gitlabhq,fearenales/gitlabhq,Devin001/gitlabhq,wangcan2014/gitlabhq,mr-dxdy/gitlabhq,hzy001/gitlabhq,kemenaran/gitlabhq,liyakun/gitlabhq,ngpestelos/gitlabhq,wangcan2014/gitlabhq,it33/gitlabhq,sonalkr132/gitlabhq,bbodenmiller/gitlabhq,fendoudeqingchunhh/gitlabhq,ZeoAlliance/gitlabhq,shinexiao/gitlabhq,dwrensha/gitlabhq,OlegGirko/gitlab-ce,aaronsnyder/gitlabhq,cui-liqiang/gitlab-ce,ttasanen/gitlabhq,fendoudeqingchunhh/gitlabhq,flashbuckets/gitlabhq,jirutka/gitlabhq,jrjang/gitlab-ce,eliasp/gitlabhq,delkyd/gitlabhq,joalmeid/gitlabhq,vjustov/gitlabhq,ayufan/gitlabhq,rhels/gitlabhq,k4zzk/gitlabhq,WSDC-NITWarangal/gitlabhq,adaiguoguo/gitlab_globalserarch,yfaizal/gitlabhq,folpindo/gitlabhq,WSDC-NITWarangal/gitlabhq,Burick/gitlabhq,tempbottle/gitlabhq,zrbsprite/gitlabhq,pulkit21/gitlabhq,gorgee/gitlabhq,shinexiao/gitlabhq,youprofit/gitlabhq,it33/gitlabhq,folpindo/gitlabhq,copystudy/gitlabhq,larryli/gitlabhq,hq804116393/gitlabhq,ikappas/gitlabhq,sideci-sample/sideci-sample-gitlabhq,flashbuckets/gitlabhq,michaKFromParis/sparkslab,phinfonet/mobbr-gitlabhq,mavimo/gitlabhq,pjknkda/gitlabhq,yatish27/gitlabhq,t-zuehlsdorff/gitlabhq,kitech/gitlabhq,fgbreel/gitlabhq,yulchitaj/TEST3,lvfeng1130/gitlabhq,salipro4ever/gitlabhq,H3Chief/gitlabhq,darkrasid/gitlabhq,lvfeng1130/gitlabhq,shinexiao/gitlabhq,mente/gitlabhq,delkyd/gitlabhq,ngpestelos/gitlabhq,stoplightio/gitlabhq,Telekom-PD/gitlabhq,theonlydoo/gitlabhq,mathstuf/gitlabhq,cinderblock/gitlabhq,fearenales/gitlabhq,theodi/gitlabhq,salipro4ever/gitlabhq,gopeter/gitlabhq,ibiart/gitlabhq,michaKFromParis/gitlabhqold,dwrensha/gitlabhq,jvanbaarsen/gitlabhq,axilleas/gitlabhq,dukex/gitlabhq,tempbottle/gitlabhq,yonglehou/gitlabhq,adaiguoguo/gitlab_globalserarch,rebecamendez/gitlabhq,whluwit/gitlabhq,whluwit/gitlabhq,cui-liqiang/gitlab-ce,michaKFromParis/sparkslab,per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