expose batchsize on batch event publication.
expose batchsize on batch event publication.

qiaochao911/disruptor,azureplus/disruptor,xiexingguang/disruptor,pengzj/disruptor,simmeryson/MyDisruptor,cherrydocker/disruptor,eliocapelati/disruptor,hejunbinlan/disruptor,chanakaudaya/disruptor,epickrram/disruptor,DerekYangYC/disruptor,brennangaunce/disruptor,biddyweb/disruptor,tharanga-abeyseela/disruptor,newsky/disruptor,pengzj/disruptor,AllenRay/disruptor,fengshao0907/disruptor,cherrydocker/disruptor,xiexingguang/disruptor,midnight0532/read-disruptor,DerekYangYC/disruptor,iacdingping/disruptor,HappyYang/disruptor,Spikhalskiy/disruptor,eliocapelati/disruptor,Spikhalskiy/disruptor,HappyYang/disruptor,tharanga-abeyseela/disruptor,xiexingguang/disruptor,Spikhalskiy/disruptor,jasonchaffee/disruptor,vvertigo/disruptor,eclipseek/disruptor,adamweixuan/disruptor,hejunbinlan/disruptor,newsky/disruptor,sgulinski/disruptor,isururanawaka/disruptor,chanakaudaya/disruptor,simmeryson/MyDisruptor,tharanga-abeyseela/disruptor,biddyweb/disruptor,azureplus/disruptor,midnight0532/read-disruptor,azureplus/disruptor,killbug2004/disruptor,HappyYang/disruptor,killbug2004/disruptor,DerekYangYC/disruptor,biddyweb/disruptor,sgulinski/disruptor,qiaochao911/disruptor,epickrram/disruptor,fengshao0907/disruptor,epickrram/disruptor,chanakaudaya/disruptor,killbug2004/disruptor,vvertigo/disruptor,fengshao0907/disruptor,isururanawaka/disruptor,eclipseek/disruptor,hejunbinlan/disruptor,newsky/disruptor,sgulinski/disruptor,iacdingping/disruptor,AllenRay/disruptor,pengzj/disruptor,brennangaunce/disruptor,LMAX-Exchange/disruptor,eclipseek/disruptor,midnight0532/read-disruptor,vvertigo/disruptor,adamweixuan/disruptor,eliocapelati/disruptor,qiaochao911/disruptor,brennangaunce/disruptor,jasonchaffee/disruptor,AllenRay/disruptor,iacdingping/disruptor,adamweixuan/disruptor,LMAX-Exchange/disruptor,cherrydocker/disruptor,isururanawaka/disruptor,jasonchaffee/disruptor