chore(peer_server): add more function description
chore(peer_server): add more function description

yudai/etcd,spotify/etcd,spacejam/etcd,mischief/etcd,lzbgt/etcd,csuideal/etcd,fanminshi/etcd,qqsun8819/etcd,chai2010/etcd,tangkun75/etcd,onlyjob/etcd,xiang90/etcd,OyTao/etcd_learning,polvi/etcd,mwitkow-io/etcd,crandles/etcd,openedbox/etcd,mike-lerch/etcd,chai2010-playground/etcd,qqsun8819/etcd,jlamillan/etcd,insionng/etcd,robszumski/etcd,jchauncey/etcd,gyuho/etcd,barakmich/etcd,shakefu/etcd,Winslett/etcd,pauldallen/etcd,Timer/etcd,insequent/etcd,lorneli/etcd,shafreeck/etcd,vimalk78/etcd,hroyrh/etcd,lzbgt/etcd,mickep76/etcd,snailwalker/etcd,hroyrh/etcd,lumjjb/etcd,shawnps/etcd,chipironcin/etcd,gityf/etcd,Timer/etcd,wfxiang08/etcd,improbable-io/etcd,hpcloud/etcd,es-chow/etcd,shawnps/etcd,nekto0n/etcd,bspline/etcd,mwitkow/etcd,SivagnanamCiena/etcd,spotify/etcd,chenbaihu/etcd,polvi/etcd,sebrandon1/etcd,cockroachdb/etcd,StorReduce/etcd,betawaffle/etcd,qiaochao911/etcd,elimisteve/etcd,akauppi/etcd,gtank/etcd,iamqizhao/etcd,xiang90/etcd,buaazp/etcd,QuantiumTechnology/etcd,yyljlyy/etcd,bluebreezecf/etcd,ravigadde/etcd,jmptrader/etcd,jchauncey/etcd,nkhare/etcd,msanterre/etcd,dalanlan/etcd,devfreesg/etcd,CrazyJvm/etcd,mkumatag/etcd,justintung/etcd,asim/etcd,chai2010-playground/etcd,spotify/etcd,yyljlyy/etcd,gouyang/etcd,beni55/etcd,gosharplite/etcd,fasaxc/etcd,justintung/etcd,handsomesun/etcd,rchicoli/etcd,swingbach/etcd,achanda/etcd,bdarnell/etcd,sinsharat/etcd,xychu/etcd,luxas/etcd,gyuho/etcd,heyitsanthony/etcd,insionng/etcd,tguangch/etcd,arthurcolle/etcd,giantswarm/etcd,njharman/etcd,xebitstudios/etcd,plasticbox/etcd,hongchaodeng/etcd,cvik/etcd,bakins/etcd,sinsharat/etcd,cognusion/etcd,wowsoso/etcd,plasticbox/etcd,lorneli/etcd,oscarrr110/etcd,raoofm/etcd,Eagle-X/etcd,linuxcer/etcd,endocode/etcd,ktateish/etcd,dannysauer/etcd,hongchaodeng/etcd,cchamplin/etcd,sebschrader/etcd,mgoelzer/etcd-fork2,a-robinson/etcd,cockroachdb/etcd,rnaveiras/etcd,mgoelzer/etcd-fork2,achanda/etcd,bdarnell/etcd,mkumatag/etcd,jefby/etcd,tempbottle/etcd,iamqizhao/etcd,heyitsanthony/etcd,kingland/etcd,purpleidea/etcd,swingbach/etcd,etcd-io/etcd,fasaxc/etcd,gae123/etcd,combk8s/etcd,robszumski/etcd,buaazp/etcd,sofuture/etcd,jeremyeder/etcd,imzhulei/etcd,njucslqq/etcd,mickep76/etcd,visheshnp/etcd,svdata/etcd,pengzj/etcd,dnaeon/etcd,es-chow/etcd,Yhgenomics/etcd,jravetch/etcd,QuantiumTechnology/etcd,StorReduce/etcd,joshix/etcd,mischief/etcd,a-robinson/etcd,glevand/coreos--etcd,barakmich/etcd,nieanan/etcd,etcd-io/etcd,vimalk78/etcd,mitake/etcd,fasaxc/etcd,glensc/etcd,xychu/etcd,bakins/etcd,whuwxl/etcd,kingland/etcd,fgbreel/etcd,raoofm/etcd,siddontang/etcd,yichengq/etcd,zaphod-concur/etcd,ajityagaty/etcd,insequent/etcd,wowsoso/etcd,olark/etcd,glycerine/etcd,dalanlan/etcd,yudai/etcd,visheshnp/etcd,OyTao/etcd_learning,glycerine/etcd,etcd-io/etcd,gae123/etcd,freeloop1114/etcd,yichengq/etcd,junxu/etcd,hzy001/etcd,linuxcer/etcd,wantonsolutions/dinv-etcd,ktateish/etcd,njharman/etcd,rnaveiras/etcd,wantonsolutions/dinv-etcd,ajityagaty/etcd,gtank/etcd,devfreesg/etcd,spacejam/etcd,kkaneda/etcd,openedbox/etcd,hongbinz/etcd,ecnahc515/etcd,li-ang/etcd,xdlinear/etcd,purpleidea/etcd,tempbottle/etcd,yifan-gu/etcd,sayden/etcd,jlamillan/etcd,shakefu/etcd,handsomesun/etcd,cognusion/etcd,akauppi/etcd,youxidev/etcd,nkhare/etcd,elimisteve/etcd,mitake/etcd,endocode/etcd,spotify/etcd,olark/etcd,yifan-gu/etcd,freeloop1114/etcd,sebschrader/etcd,nekto0n/etcd,xueshanf/etcd,westhood/etcd,joshix/etcd,mkumatag/etcd,cvik/etcd,pauldallen/etcd,siddontang/etcd,arthurcolle/etcd,njucslqq/etcd,crandles/etcd,youxidev/etcd,hongbinz/etcd,jeremyeder/etcd,whuwxl/etcd,lumjjb/etcd,bluebreezecf/etcd,YuleiXiao/etcd,chipironcin/etcd,jonboulle/etcd,ravigadde/etcd,princeqjzh/etcd,imzhulei/etcd,jmptrader/etcd,luxas/etcd,HideoYamauchi/etcd,pigfoot/etcd,mike-lerch/etcd,fanminshi/etcd,xdlinear/etcd,jravetch/etcd,chai2010/etcd,mwitkow-io/etcd,tangkun75/etcd,nieanan/etcd,mqliang/etcd,csuideal/etcd,hpcloud/etcd,onlyjob/etcd,offscale/etcd,bspline/etcd,tguangch/etcd,Winslett/etcd,westhood/etcd,jefby/etcd,zaphod-concur/etcd,TheHippo/etcd,armstrongli/etcd,honeyqa/etcd,jonboulle/etcd,sofuture/etcd,msanterre/etcd,rchicoli/etcd,honeyqa/etcd,wantonsolutions/dinv-etcd,ajityagaty/etcd,glensc/etcd,oscarrr110/etcd,ecnahc515/etcd,sayden/etcd,xebitstudios/etcd,hzy001/etcd,offscale/etcd,glevand/coreos--etcd,fgbreel/etcd,cchamplin/etcd,snailwalker/etcd,ylong/etcd,asim/etcd,dnaeon/etcd,chenbaihu/etcd,delkyd/etcd,gouyang/etcd,li-ang/etcd,rnaveiras/etcd,axingblog/etcd,gityf/etcd,tamird/etcd,junxu/etcd,cvik/etcd,axingblog/etcd,dterei/etcd,combk8s/etcd,cvik/etcd,betawaffle/etcd,mqliang/etcd,steveeJ/etcd,YuleiXiao/etcd,Yhgenomics/etcd,pengzj/etcd,dterei/etcd,TheHippo/etcd,wfxiang08/etcd,beni55/etcd,kkaneda/etcd,armstrongli/etcd,ylong/etcd,SivagnanamCiena/etcd,sebrandon1/etcd,tamird/etcd,coreos/etcd,svdata/etcd,qiaochao911/etcd,shafreeck/etcd,coreos/etcd,xueshanf/etcd,Eagle-X/etcd,HideoYamauchi/etcd,gosharplite/etcd,delkyd/etcd,CrazyJvm/etcd,princeqjzh/etcd,giantswarm/etcd,mqliang/etcd,dannysauer/etcd,steveeJ/etcd,improbable-io/etcd,mwitkow/etcd