private void readIndexInputFullyWithRandomSeeks(IndexInput indexInput) throws IOException {
BytesRef ref = new BytesRef(scaledRandomIntBetween(1, 1024));
long pos = 0;
while (pos < indexInput.length()) {
assertEquals(pos, indexInput.getFilePointer());
int op = random().nextInt(5);
if (op == 0) {
int shift = 100 - randomIntBetween(0, 200);
pos = Math.min(indexInput.length() - 1, Math.max(0, pos + shift));
indexInput.seek(pos);
} else if (op == 1) {
indexInput.readByte();
pos++;
} else {
int min = (int) Math.min(indexInput.length() - pos, ref.bytes.length);
indexInput.readBytes(ref.bytes, ref.offset, min);
pos += min;
}
}
}
@Test
public void updateMappingConcurrently() throws Throwable {
// Test that we can concurrently update different indexes and types.
int shardNo = Math.max(5, cluster().size());
prepareCreate("test1").setSettings("index.number_of_shards", shardNo).execute().actionGet();
prepareCreate("test2").setSettings("index.number_of_shards", shardNo).execute().actionGet();
// This is important. The test assumes all nodes are aware of all indices. Due to initializing
// shard throttling
// not all shards are allocated with the initial create index. Wait for it..
ensureYellow();
final Throwable[] threadException = new Throwable[1];
final AtomicBoolean stop = new AtomicBoolean(false);
Thread[] threads = new Thread[3];
final CyclicBarrier barrier = new CyclicBarrier(threads.length);
final ArrayList<Client> clientArray = new ArrayList<Client>();
for (Client c : clients()) {
clientArray.add(c);
}
for (int j = 0; j < threads.length; j++) {
threads[j] =
new Thread(
new Runnable() {
@SuppressWarnings("unchecked")
@Override
public void run() {
try {
barrier.await();
for (int i = 0; i < 100; i++) {
if (stop.get()) {
return;
}
Client client1 = clientArray.get(i % clientArray.size());
Client client2 = clientArray.get((i + 1) % clientArray.size());
String indexName = i % 2 == 0 ? "test2" : "test1";
String typeName = "type" + (i % 10);
String fieldName = Thread.currentThread().getName() + "_" + i;
PutMappingResponse response =
client1
.admin()
.indices()
.preparePutMapping(indexName)
.setType(typeName)
.setSource(
JsonXContent.contentBuilder()
.startObject()
.startObject(typeName)
.startObject("properties")
.startObject(fieldName)
.field("type", "string")
.endObject()
.endObject()
.endObject()
.endObject())
.get();
assertThat(response.isAcknowledged(), equalTo(true));
GetMappingsResponse getMappingResponse =
client2.admin().indices().prepareGetMappings(indexName).get();
ImmutableOpenMap<String, MappingMetaData> mappings =
getMappingResponse.getMappings().get(indexName);
assertThat(mappings.containsKey(typeName), equalTo(true));
assertThat(
((Map<String, Object>)
mappings.get(typeName).getSourceAsMap().get("properties"))
.keySet(),
Matchers.hasItem(fieldName));
}
} catch (Throwable t) {
threadException[0] = t;
stop.set(true);
}
}
});
threads[j].setName("t_" + j);
threads[j].start();
}
for (Thread t : threads) t.join();
if (threadException[0] != null) {
throw threadException[0];
}
}
