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t = db.bench_test2
t.drop();
for ( i=0; i<100; i++ )
t.insert( { _id : i , x : 0 } );
db.getLastError();
res = benchRun( { ops : [ { ns : t.getFullName() ,
op : "update" ,
query : { _id : { "#RAND_INT" : [ 0 , 100 ] } } ,
update : { $inc : { x : 1 } } } ] ,
parallel : 2 ,
seconds : 1 ,
totals : true ,
host : db.getMongo().host } )
printjson( res );
sumsq = 0
sum = 0
min = 1000
max = 0;
t.find().forEach(
function(z){
sum += z.x;
sumsq += Math.pow( ( res.update / 100 ) - z.x , 2 );
min = Math.min( z.x , min );
max = Math.max( z.x , max );
}
)
avg = sum / 100
std = Math.sqrt( sumsq / 100 )
print( "Avg: " + avg )
print( "Std: " + std )
print( "Min: " + min )
print( "Max: " + max )
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