Increase number of Infiniband receive slots
Increase number of Infiniband receive slots

We were beginning to use too many receive slots in the recovery master with
multiple outstanding BackupClient::getRecoveryData calls and the occasional
BackupClient::write call, which resulted in unnecessary copying. This change
saves about 55ms for in-memory recoveries.

matrix207/RAMCloud,anirajk/RAMCloud,utah-scs/RAMCloud,jblomer/ramcloud,DavidLi2010/ramcloud,jcarreira/ramcloud,rstutsman/RAMCloud,anirajk/RAMCloud,Frank-Wu/RamCloud,jblomer/ramcloud,behnamm/cs244b_project,jblomer/ramcloud,utah-scs/RAMCloud,DavidLi2010/ramcloud,DavidLi2010/ramcloud,rstutsman/RAMCloud,behnamm/cs244b_project,SMatsushi/RAMCloud,anirajk/RAMCloud,DavidLi2010/ramcloud,behnamm/cs244b_project,taschik/ramcloud-load-manager,QingkaiLu/RAMCloud,IMCG/RamCloud,SMatsushi/RAMCloud,QingkaiLu/RAMCloud,SMatsushi/RAMCloud,matrix207/RAMCloud,IMCG/RamCloud,y-higuchi/ramcloud,rstutsman/RAMCloud,utah-scs/RAMCloud,alexandermerritt/ramcloud,DavidLi2010/ramcloud,mrdiegoa/ramcloud,anirajk/RAMCloud,mrdiegoa/ramcloud,alexandermerritt/ramcloud,QingkaiLu/RAMCloud,y-higuchi/ramcloud,jcarreira/ramcloud,jblomer/ramcloud,SMatsushi/RAMCloud,utah-scs/RAMCloud,Frank-Wu/RamCloud,SMatsushi/RAMCloud,behnamm/cs244b_project,mrdiegoa/ramcloud,taschik/ramcloud,QingkaiLu/RAMCloud,rstutsman/RAMCloud,y-higuchi/ramcloud,alexandermerritt/ramcloud,jcarreira/ramcloud,alexandermerritt/ramcloud,matrix207/RAMCloud,taschik/ramcloud-load-manager,IMCG/RamCloud,rstutsman/RAMCloud,QingkaiLu/RAMCloud,matrix207/RAMCloud,y-higuchi/ramcloud,mrdiegoa/ramcloud,anirajk/RAMCloud,matrix207/RAMCloud,Frank-Wu/RamCloud,jblomer/ramcloud,taschik/ramcloud-load-manager,QingkaiLu/RAMCloud,utah-scs/RAMCloud,y-higuchi/ramcloud,Frank-Wu/RamCloud,mrdiegoa/ramcloud,anirajk/RAMCloud,rstutsman/RAMCloud,mrdiegoa/ramcloud,IMCG/RamCloud,jcarreira/ramcloud,taschik/ramcloud,jcarreira/ramcloud,taschik/ramcloud,taschik/ramcloud,Frank-Wu/RamCloud,jblomer/ramcloud,Frank-Wu/RamCloud,utah-scs/RAMCloud,taschik/ramcloud-load-manager,matrix207/RAMCloud,IMCG/RamCloud,jcarreira/ramcloud,taschik/ramcloud,SMatsushi/RAMCloud,alexandermerritt/ramcloud,behnamm/cs244b_project,DavidLi2010/ramcloud,y-higuchi/ramcloud,IMCG/RamCloud,taschik/ramcloud-load-manager,alexandermerritt/ramcloud,behnamm/cs244b_project