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function debug( msg ) {
print( "fsync2: " + msg );
}
var loops = 200;
if ( db.getSisterDB("local").slaves.count() > 0 ) {
// replication can cause some write locks on local
// therefore this test is flaky with replication on
loops = 1;
}
function doTest() {
db.fsync2.drop();
// Make write ops asynchronous so the test won't hang when in fsync lock mode.
db.getMongo().forceWriteMode('legacy');
db.fsync2.save( {x:1} );
d = db.getSisterDB( "admin" );
// Don't test if the engine doesn't support fsyncLock
var ret = d.runCommand( {fsync:1, lock: 1 } );
if (!ret.ok) {
assert.commandFailedWithCode(ret, ErrorCodes.CommandNotSupported);
jsTestLog("Skipping test as engine does not support fsyncLock");
return;
}
assert.commandWorked( ret );
debug( "after lock" );
for ( var i=0; i<loops; i++) {
debug( "loop: " + i );
assert.eq(1, db.fsync2.count());
sleep(100);
}
debug( "about to save" );
db.fsync2.save( {x:1} );
debug( "save done" );
m = new Mongo( db.getMongo().host );
// Uncomment once SERVER-4243 is fixed
//assert.eq(1, m.getDB(db.getName()).fsync2.count());
assert( m.getDB("admin").fsyncUnlock().ok );
assert.eq( 2, db.fsync2.count() );
}
if (!jsTest.options().auth) { // SERVER-4243
doTest();
}
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