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var rt = new ReplSetTest( { name : "replset9tests" , nodes: 1, oplogSize: 255 } );
var nodes = rt.startSet();
rt.initiate();
var master = rt.getMaster();
var bigstring = Array(5000).toString();
var md = master.getDB( 'd' );
var mdc = md[ 'c' ];
// idea: while cloner is running, update some docs and then immediately remove them.
// oplog will have ops referencing docs that no longer exist.
var doccount = 20000;
// Avoid empty extent issues
mdc.insert( { _id:-1, x:"dummy" } );
// Make this db big so that cloner takes a while.
print ("inserting bigstrings");
for( i = 0; i < doccount; ++i ) {
mdc.insert( { _id:i, x:bigstring } );
}
md.getLastError();
// Insert some docs to update and remove
print ("inserting x");
for( i = doccount; i < doccount*2; ++i ) {
mdc.insert( { _id:i, bs:bigstring, x:i } );
}
md.getLastError();
// add a secondary; start cloning
var slave = rt.add();
(function reinitiate() {
var master = rt.nodes[0];
var c = master.getDB("local")['system.replset'].findOne();
var config = rt.getReplSetConfig();
config.version = c.version + 1;
var admin = master.getDB("admin");
var cmd = {};
var cmdKey = 'replSetReconfig';
var timeout = timeout || 30000;
cmd[cmdKey] = config;
printjson(cmd);
jsTest.attempt({context:rt, timeout: timeout, desc: "reinitiate replica set"}, function() {
var result = admin.runCommand(cmd);
printjson(result);
return result['ok'] == 1;
});
})();
print ("initiation complete!");
var sc = slave.getDB( 'd' )[ 'c' ];
slave.setSlaveOk();
print ("updating and deleting documents");
for (i = doccount*4; i > doccount; --i) {
mdc.update( { _id:i }, { $inc: { x : 1 } } );
mdc.remove( { _id:i } );
mdc.insert( { bs:bigstring } );
}
md.getLastError();
print ("finished");
// Wait for replication to catch up.
rt.awaitReplication(640000);
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