// Test for race condition SERVER-2807. One cursor is dropped and another is not. collName = 'jstests_slowNightly_explain2'; t = db[ collName ]; t.drop(); db.createCollection( collName, {capped:true,size:100000} ); t = db[ collName ]; t.ensureIndex( {x:1} ); a = startParallelShell( 'for( i = 0; i < 50000; ++i ) { db.' + collName + '.insert( {x:i,y:1} ); }' ); for( i = 0; i < 800; ++i ) { t.find( {x:{$gt:-1},y:1} ).sort({x:-1}).explain(); } a();