// Pairing resync var baseName = "jstests_pair2test"; ismaster = function( n ) { im = n.getDB( "admin" ).runCommand( { "ismaster" : 1 } ); assert( im ); return im.ismaster; } soonCount = function( count ) { assert.soon( function() { // print( "counting" ); if ( -1 == l.getDBNames().indexOf( baseName ) ) return false; if ( -1 == l.getDB( baseName ).getCollectionNames().indexOf( "z" ) ) return false; // print( "counted: " + l.getDB( baseName ).z.find().count() ); return l.getDB( baseName ).z.find().count() == count; } ); } doTest = function( signal ) { ports = allocatePorts( 3 ); // spec small oplog for fast startup on 64bit machines a = startMongod( "--port", ports[ 0 ], "--dbpath", "/data/db/" + baseName + "-arbiter", "--nohttpinterface" ); l = startMongod( "--port", ports[ 1 ], "--dbpath", "/data/db/" + baseName + "-left", "--pairwith", "127.0.0.1:" + ports[ 2 ], "127.0.0.1:" + ports[ 0 ], "--oplogSize", "1", "--nohttpinterface" ); r = startMongod( "--port", ports[ 2 ], "--dbpath", "/data/db/" + baseName + "-right", "--pairwith", "127.0.0.1:" + ports[ 1 ], "127.0.0.1:" + ports[ 0 ], "--oplogSize", "1", "--nohttpinterface" ); l.setSlaveOk(); assert.soon( function() { return ( ismaster( l ) == 0 && ismaster( r ) == 1 ); } ); rz = r.getDB( baseName ).z rz.save( { _id: new ObjectId() } ); sleep( 5000 ); soonCount( 1 ); assert.eq( 0, l.getDB( "admin" ).runCommand( { "resync" : 1 } ).ok ); stopMongod( ports[ 1 ], signal ); big = new Array( 2000 ).toString(); for( i = 0; i < 1000; ++i ) rz.save( { _id: new ObjectId(), i: i, b: big } ); l = startMongoProgram( "mongod", "--port", ports[ 1 ], "--dbpath", "/data/db/" + baseName + "-left", "--pairwith", "127.0.0.1:" + ports[ 2 ], "127.0.0.1:" + ports[ 0 ], "--oplogSize", "1", "--nohttpinterface" ); l.setSlaveOk(); assert.soon( function() { return 1 == l.getDB( "admin" ).runCommand( { "resync" : 1 } ).ok; } ); sleep( 8000 ); soonCount( 1001 ); lz = l.getDB( baseName ).z assert.eq( 1, lz.find( { i: 0 } ).count() ); assert.eq( 1, lz.find( { i: 999 } ).count() ); assert.eq( 0, l.getDB( "admin" ).runCommand( { "resync" : 1 } ).ok ); ports.forEach( function( x ) { stopMongod( x ); } ); } doTest( 15 ); // SIGTERM doTest( 9 ); // SIGKILL