46 lines
1.4 KiB
JavaScript
46 lines
1.4 KiB
JavaScript
//
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// Tests whether we forget M/R's temporary namespaces for sharded output
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//
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var st = new ShardingTest({ shards : 1, mongos : 1 });
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var mongos = st.s0;
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var admin = mongos.getDB( "admin" );
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var coll = mongos.getCollection( "foo.bar" );
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var outputColl = mongos.getCollection( (coll.getDB() + "") + ".mrOutput" );
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var bulk = coll.initializeUnorderedBulkOp();
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for ( var i = 0; i < 10; i++ ) {
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bulk.insert({ _id : i, even : (i % 2 == 0) });
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}
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assert.writeOK(bulk.execute());
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var map = function() { emit( this.even, 1 ); };
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var reduce = function( key, values ) { return Array.sum(values); };
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out = coll.mapReduce( map, reduce, { out: { reduce : outputColl.getName(), sharded: true } } );
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printjson( out );
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printjson( outputColl.find().toArray() );
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var mongodThreadStats = st.shard0.getDB( "admin" ).runCommand({ shardConnPoolStats : 1 }).threads;
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var mongosThreadStats = admin.runCommand({ shardConnPoolStats : 1 }).threads;
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printjson( mongodThreadStats );
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printjson( mongosThreadStats );
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var checkForSeenNS = function( threadStats, regex ) {
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for ( var i = 0; i < threadStats.length; i++ ) {
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var seenNSes = threadStats[i].seenNS;
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for ( var j = 0; j < seenNSes.length; j++ ) {
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assert( !( regex.test( seenNSes ) ) );
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}
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}
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}
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checkForSeenNS( mongodThreadStats, /^foo.tmp/ );
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checkForSeenNS( mongosThreadStats, /^foo.tmp/ );
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st.stop();
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