#select max(usage_user) from cpu where(hostname='host_a' and hostname='host_b'and hostname='host_c'and hostname='host_d'and hostname='host_e'and hostname='host_f' and hostname='host_g'and hostname='host_h') ;
#select max(usage_user) from cpu where(hostname='host_a' and hostname='host_b'and hostname='host_c'and hostname='host_d'and hostname='host_e'and hostname='host_f' and hostname='host_g'and hostname='host_h') interval(1h);
#select max(usage_user) from cpu where(hostname='host_a' and hostname='host_b'and hostname='host_c'and hostname='host_d'and hostname='host_e'and hostname='host_f' and hostname='host_g'and hostname='host_h') and time >x and time <y interval(10m);
# a,b,c,d,e,f,g,h are random 8 numbers, y-x =12 hour
#select max(usage_user) from cpu where(hostname='host_a' and hostname='host_b'and hostname='host_c'and hostname='host_d'and hostname='host_e'and hostname='host_f' and hostname='host_g'and hostname='host_h') and time >x and time <y interval(10m);
# a,b,c,d,e,f,g,h are random 8 numbers, y-x =1 hours
#select max(usage_user) from cpu where(hostname='host_a' and hostname='host_b'and hostname='host_c'and hostname='host_d'and hostname='host_e'and hostname='host_f' and hostname='host_g'and hostname='host_h') ;
#select max(usage_user) from cpu where(hostname='host_a' and hostname='host_b'and hostname='host_c'and hostname='host_d'and hostname='host_e'and hostname='host_f' and hostname='host_g'and hostname='host_h') interval(1h);
#select max(usage_user) from cpu where(hostname='host_a' and hostname='host_b'and hostname='host_c'and hostname='host_d'and hostname='host_e'and hostname='host_f' and hostname='host_g'and hostname='host_h') and time >x and time <y interval(10m);
# a,b,c,d,e,f,g,h are random 8 numbers, y-x =12 hour
#select max(usage_user) from cpu where(hostname='host_a' and hostname='host_b'and hostname='host_c'and hostname='host_d'and hostname='host_e'and hostname='host_f' and hostname='host_g'and hostname='host_h') and time >x and time <y interval(10m);
# a,b,c,d,e,f,g,h are random 8 numbers, y-x =1 hours