/**
* Check how prefetch override works.
*
* @throws Exception IF failed.
*/
public void testOpenPrefetchOverride() throws Exception {
create(igfsSecondary, paths(DIR, SUBDIR), paths(FILE));
// Write enough data to the secondary file system.
final int blockSize = IGFS_BLOCK_SIZE;
IgfsOutputStream out = igfsSecondary.append(FILE, false);
int totalWritten = 0;
while (totalWritten < blockSize * 2 + chunk.length) {
out.write(chunk);
totalWritten += chunk.length;
}
out.close();
awaitFileClose(igfsSecondary.asSecondary(), FILE);
// Instantiate file system with overridden "seq reads before prefetch" property.
Configuration cfg = new Configuration();
cfg.addResource(U.resolveIgniteUrl(PRIMARY_CFG));
int seqReads = SEQ_READS_BEFORE_PREFETCH + 1;
cfg.setInt(String.format(PARAM_IGFS_SEQ_READS_BEFORE_PREFETCH, "igfs:grid@"), seqReads);
FileSystem fs = FileSystem.get(new URI(PRIMARY_URI), cfg);
// Read the first two blocks.
Path fsHome = new Path(PRIMARY_URI);
Path dir = new Path(fsHome, DIR.name());
Path subdir = new Path(dir, SUBDIR.name());
Path file = new Path(subdir, FILE.name());
FSDataInputStream fsIn = fs.open(file);
final byte[] readBuf = new byte[blockSize * 2];
fsIn.readFully(0, readBuf, 0, readBuf.length);
// Wait for a while for prefetch to finish (if any).
IgfsMetaManager meta = igfs.context().meta();
IgfsFileInfo info = meta.info(meta.fileId(FILE));
IgfsBlockKey key = new IgfsBlockKey(info.id(), info.affinityKey(), info.evictExclude(), 2);
IgniteCache<IgfsBlockKey, byte[]> dataCache =
igfs.context().kernalContext().cache().jcache(igfs.configuration().getDataCacheName());
for (int i = 0; i < 10; i++) {
if (dataCache.containsKey(key)) break;
else U.sleep(100);
}
fsIn.close();
// Remove the file from the secondary file system.
igfsSecondary.delete(FILE, false);
// Try reading the third block. Should fail.
GridTestUtils.assertThrows(
log,
new Callable<Object>() {
@Override
public Object call() throws Exception {
IgfsInputStream in0 = igfs.open(FILE);
in0.seek(blockSize * 2);
try {
in0.read(readBuf);
} finally {
U.closeQuiet(in0);
}
return null;
}
},
IOException.class,
"Failed to read data due to secondary file system exception: /dir/subdir/file");
}
/**
* @param cacheMode Cache mode.
* @param sameAff If {@code false} uses different number of partitions for caches.
* @param concurrency Transaction concurrency.
* @param isolation Transaction isolation.
* @throws Exception If failed.
*/
private void crossCacheTxFailover(
CacheMode cacheMode,
boolean sameAff,
final TransactionConcurrency concurrency,
final TransactionIsolation isolation)
throws Exception {
IgniteKernal ignite0 = (IgniteKernal) ignite(0);
final AtomicBoolean stop = new AtomicBoolean();
try {
ignite0.createCache(cacheConfiguration(CACHE1, cacheMode, 256));
ignite0.createCache(cacheConfiguration(CACHE2, cacheMode, sameAff ? 256 : 128));
final AtomicInteger threadIdx = new AtomicInteger();
IgniteInternalFuture<?> fut =
GridTestUtils.runMultiThreadedAsync(
new Callable<Void>() {
@Override
public Void call() throws Exception {
int idx = threadIdx.getAndIncrement();
Ignite ignite = ignite(idx % GRID_CNT);
log.info(
"Started update thread [node="
+ ignite.name()
+ ", client="
+ ignite.configuration().isClientMode()
+ ']');
IgniteCache<TestKey, TestValue> cache1 = ignite.cache(CACHE1);
IgniteCache<TestKey, TestValue> cache2 = ignite.cache(CACHE2);
assertNotSame(cache1, cache2);
IgniteTransactions txs = ignite.transactions();
ThreadLocalRandom rnd = ThreadLocalRandom.current();
long iter = 0;
while (!stop.get()) {
boolean sameKey = rnd.nextBoolean();
try {
try (Transaction tx = txs.txStart(concurrency, isolation)) {
if (sameKey) {
TestKey key = new TestKey(rnd.nextLong(KEY_RANGE));
cacheOperation(rnd, cache1, key);
cacheOperation(rnd, cache2, key);
} else {
TestKey key1 = new TestKey(rnd.nextLong(KEY_RANGE));
TestKey key2 = new TestKey(key1.key() + 1);
cacheOperation(rnd, cache1, key1);
cacheOperation(rnd, cache2, key2);
}
tx.commit();
}
} catch (CacheException | IgniteException e) {
log.info("Update error: " + e);
}
if (iter++ % 500 == 0) log.info("Iteration: " + iter);
}
return null;
}
/**
* @param rnd Random.
* @param cache Cache.
* @param key Key.
*/
private void cacheOperation(
ThreadLocalRandom rnd, IgniteCache<TestKey, TestValue> cache, TestKey key) {
switch (rnd.nextInt(4)) {
case 0:
cache.put(key, new TestValue(rnd.nextLong()));
break;
case 1:
cache.remove(key);
break;
case 2:
cache.invoke(key, new TestEntryProcessor(rnd.nextBoolean() ? 1L : null));
break;
case 3:
cache.get(key);
break;
default:
assert false;
}
}
},
10,
"tx-thread");
long stopTime = System.currentTimeMillis() + 3 * 60_000;
long topVer = ignite0.cluster().topologyVersion();
boolean failed = false;
while (System.currentTimeMillis() < stopTime) {
log.info("Start node.");
IgniteKernal ignite = (IgniteKernal) startGrid(GRID_CNT);
assertFalse(ignite.configuration().isClientMode());
topVer++;
IgniteInternalFuture<?> affFut =
ignite
.context()
.cache()
.context()
.exchange()
.affinityReadyFuture(new AffinityTopologyVersion(topVer));
try {
if (affFut != null) affFut.get(30_000);
} catch (IgniteFutureTimeoutCheckedException e) {
log.error("Failed to wait for affinity future after start: " + topVer);
failed = true;
break;
}
Thread.sleep(500);
log.info("Stop node.");
stopGrid(GRID_CNT);
topVer++;
affFut =
ignite0
.context()
.cache()
.context()
.exchange()
.affinityReadyFuture(new AffinityTopologyVersion(topVer));
try {
if (affFut != null) affFut.get(30_000);
} catch (IgniteFutureTimeoutCheckedException e) {
log.error("Failed to wait for affinity future after stop: " + topVer);
failed = true;
break;
}
}
stop.set(true);
fut.get();
assertFalse("Test failed, see log for details.", failed);
} finally {
stop.set(true);
ignite0.destroyCache(CACHE1);
ignite0.destroyCache(CACHE2);
awaitPartitionMapExchange();
}
}