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// Test correctness of replication while a secondary's get more requests are killed on the primary
// using killop. SERVER-7952
numDocs = 1e5;
// Set up a replica set.
replTest = new ReplSetTest( { name:'test', nodes:3 } );
nodes = replTest.startSet();
replTest.initiate();
primary = replTest.getMaster();
secondary = replTest.getSecondary();
db = primary.getDB( 'test' );
db.test.save( { a:0 } );
replTest.awaitReplication();
assert.soon( function() { return secondary.getDB( 'test' ).test.count() == 1; } );
// Start a parallel shell to insert new documents on the primary.
inserter = startParallelShell(
'for( i = 1; i < ' + numDocs + '; ++i ) { \
db.test.save( { a:i } ); \
sleep( 1 ); \
} \
db.getLastError();'
);
// Periodically kill replication get mores.
for( i = 0; i < 1e3; ++i ) {
allOps = db.currentOp();
for( j in allOps.inprog ) {
op = allOps.inprog[ j ];
if ( op.ns == 'local.oplog.rs' && op.op == 'getmore' ) {
db.killOp( op.opid );
}
}
sleep( 100 );
}
// Wait for the inserter to finish.
inserter();
assert.eq( numDocs, db.test.count() );
// Return true when the correct number of documents are present on the secondary. Otherwise print
// which documents are missing and return false.
function allReplicated() {
count = secondary.getDB( 'test' ).test.count();
if ( count == numDocs ) {
// Return true if the count is as expected.
return true;
}
// Identify and print the missing a-values.
foundSet = {};
c = secondary.getDB( 'test' ).test.find();
while( c.hasNext() ) {
foundSet[ '' + c.next().a ] = true;
}
missing = [];
for( i = 0; i < numDocs; ++i ) {
if ( !( ( '' + i ) in foundSet ) ) {
missing.push( i );
}
}
print( 'count: ' + count + ' missing: ' + missing );
return false;
}
// Wait for the correct number of (replicated) documents to be present on the secondary.
assert.soon( allReplicated );
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