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t = db.cursora
function run( n , atomic ){
t.drop()
for ( i=0; i<n; i++ )
t.insert( { _id : i } )
db.getLastError()
join = startParallelShell( "sleep(50); db.cursora.remove( {" + ( atomic ? "$atomic:true" : "" ) + "} ); db.getLastError();" );
start = new Date()
num = t.find( function(){ num = 2; for ( var x=0; x<1000; x++ ) num += 2; return num > 0; } ).sort( { _id : -1 } ).limit(n).itcount()
end = new Date()
join()
print( "num: " + num + " time:" + ( end.getTime() - start.getTime() ) )
assert.eq( 0 , t.count() , "after remove" )
if ( n == num )
print( "warning: shouldn't have counted all n: " + n + " num: " + num );
}
run( 1500 )
run( 5000 )
run( 1500 , true )
run( 5000 , true )
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