protected void exec(final String iClient) {
counter.countDown();
try {
counter.await();
} catch (InterruptedException e) {
e.printStackTrace();
}
OrientBaseGraph graph = new OrientGraph(getLocalURL());
OrientVertex vertex1 = graph.getVertex(vertex1Id);
try {
int i = 0;
for (; i < TOTAL; ++i) {
for (int retry = 0; retry < 20; ++retry) {
try {
OrientVertex vertex2 = graph.addVertex("vertextype", (String) null);
vertex1.addEdge("edgetype", vertex2);
graph.commit();
System.out.println(
iClient + " - successfully committed version: " + vertex1.getRecord().getVersion());
} catch (ONeedRetryException e) {
System.out.println(
iClient
+ " - caught conflict, reloading vertex. v="
+ vertex1.getRecord().getVersion());
vertex1.reload();
}
}
}
// STATISTICALLY HERE AT LEAST ON CONFLICT HAS BEEN RECEIVED
vertex1.reload();
Assert.assertTrue(vertex1.getRecord().getVersion() > TOTAL * 2 + 1);
Assert.assertEquals(TOTAL, i);
} catch (Throwable e) {
if (exceptionInThread == null) exceptionInThread = e;
} finally {
System.out.println("Shutting down");
graph.shutdown();
sleep(1000);
}
}
@Override
public Void call() throws Exception {
String name = Integer.toString(serverId);
for (int i = 0; i < count; i += 2) {
final OrientGraph graph = factory.getTx();
final OrientVertex localVertex = graph.getVertex(v);
try {
if ((i + 1) % 100 == 0)
System.out.println(
"\nWriter "
+ databaseUrl
+ " id="
+ Thread.currentThread().getId()
+ " managed "
+ (i + 1)
+ "/"
+ count
+ " vertices so far");
int retry = 0;
boolean success = false;
for (; retry < 200; ++retry) {
try {
updateVertex(localVertex);
graph.commit();
OLogManager.instance().debug(this, "Success count %d retry %d", i, retry);
success = true;
break;
} catch (ODistributedRecordLockedException e) {
lockExceptions.incrementAndGet();
OLogManager.instance()
.info(this, "increment lockExceptions %d", lockExceptions.get());
} catch (ONeedRetryException e) {
OLogManager.instance().info(this, "Concurrent Exceptions " + e);
} catch (Exception e) {
graph.rollback();
throw e;
}
Thread.sleep(10 + new Random().nextInt(500));
localVertex.reload();
OLogManager.instance()
.info(
this,
"Retry %d with reloaded vertex v=%d",
retry,
localVertex.getRecord().getVersion());
}
Assert.assertTrue(
"Unable to complete the transaction (last="
+ i
+ "/"
+ count
+ "), even after "
+ retry
+ " retries",
success);
} catch (InterruptedException e) {
System.out.println("Writer received interrupt (db=" + databaseUrl);
Thread.currentThread().interrupt();
break;
} catch (Exception e) {
System.out.println("Writer received exception (db=" + databaseUrl);
e.printStackTrace();
break;
} finally {
graph.shutdown();
}
}
System.out.println(
"\nWriter " + name + " END. count = " + count + " lockExceptions: " + lockExceptions);
return null;
}