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18 lines
807 B
JavaScript
18 lines
807 B
JavaScript
// SERVER-2810 - similar to explain1 test, but with a scan and order find
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t = db.jstests_slowNightly_explain3;
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t.drop();
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// Periodically drops the collection, invalidating client cursors for s2's operations.
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s1 = startParallelShell( "t = db.jstests_slowNightly_explain1; for( var i = 0; i < 80; ++i ) { t.drop(); t.ensureIndex({x:1}); for( var j = 0; j < 1000; ++j ) { t.save( {x:j,y:1} ) }; sleep( 100 ); }" );
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// Query repeatedly.
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s2 = startParallelShell( "t = db.jstests_slowNightly_explain1; for( var i = 0; i < 500; ++i ) { try { z = t.find( {x:{$gt:0},y:1} ).sort({x:1}).explain(); } catch( e ) {} }" );
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// Put pressure on s2 to yield more often.
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s3 = startParallelShell( "t = db.jstests_slowNightly_explain1; for( var i = 0; i < 200; ++i ) { t.validate({scandata:true}); }" );
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s1();
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s2();
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s3();
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