/** {@inheritDoc} */
@Override
public Map<K, V> peekAll(
@Nullable Collection<? extends K> keys,
@Nullable GridPredicate<? super GridCacheEntry<K, V>>[] filter) {
if (keys == null || keys.isEmpty()) return emptyMap();
final Collection<K> skipped = new GridLeanSet<K>();
final Map<K, V> map = peekAll0(keys, filter, skipped);
if (map.size() + skipped.size() != keys.size()) {
map.putAll(
dht.peekAll(
F.view(
keys,
new P1<K>() {
@Override
public boolean apply(K k) {
return !map.containsKey(k) && !skipped.contains(k);
}
}),
filter));
}
return map;
}
/** {@inheritDoc} */
@Override
public Map<K, V> peekAll(
@Nullable Collection<? extends K> keys, @Nullable Collection<GridCachePeekMode> modes)
throws GridException {
if (keys == null || keys.isEmpty()) return emptyMap();
final Collection<K> skipped = new GridLeanSet<K>();
final Map<K, V> map =
!modes.contains(PARTITIONED_ONLY)
? peekAll0(keys, modes, ctx.tm().localTxx(), skipped)
: new GridLeanMap<K, V>(0);
if (map.size() != keys.size() && !modes.contains(NEAR_ONLY)) {
map.putAll(
dht.peekAll(
F.view(
keys,
new P1<K>() {
@Override
public boolean apply(K k) {
return !map.containsKey(k) && !skipped.contains(k);
}
}),
modes));
}
return map;
}
/** @throws Exception If failed. */
public void testAffinityPut() throws Exception {
Thread.sleep(2 * TOP_REFRESH_FREQ);
assertEquals(NODES_CNT, client.compute().refreshTopology(false, false).size());
Map<UUID, Grid> gridsByLocNode = new HashMap<>(NODES_CNT);
GridClientData partitioned = client.data(PARTITIONED_CACHE_NAME);
GridClientCompute compute = client.compute();
for (int i = 0; i < NODES_CNT; i++) gridsByLocNode.put(grid(i).localNode().id(), grid(i));
for (int i = 0; i < 100; i++) {
String key = "key" + i;
UUID primaryNodeId = grid(0).mapKeyToNode(PARTITIONED_CACHE_NAME, key).id();
assertEquals("Affinity mismatch for key: " + key, primaryNodeId, partitioned.affinity(key));
assertEquals(primaryNodeId, partitioned.affinity(key));
// Must go to primary node only. Since backup count is 0, value must present on
// primary node only.
partitioned.put(key, "val" + key);
for (Map.Entry<UUID, Grid> entry : gridsByLocNode.entrySet()) {
Object val = entry.getValue().cache(PARTITIONED_CACHE_NAME).peek(key);
if (primaryNodeId.equals(entry.getKey())) assertEquals("val" + key, val);
else assertNull(val);
}
}
// Now check that we will see value in near cache in pinned mode.
for (int i = 100; i < 200; i++) {
String pinnedKey = "key" + i;
UUID primaryNodeId = grid(0).mapKeyToNode(PARTITIONED_CACHE_NAME, pinnedKey).id();
UUID pinnedNodeId = F.first(F.view(gridsByLocNode.keySet(), F.notEqualTo(primaryNodeId)));
GridClientNode node = compute.node(pinnedNodeId);
partitioned.pinNodes(node).put(pinnedKey, "val" + pinnedKey);
for (Map.Entry<UUID, Grid> entry : gridsByLocNode.entrySet()) {
Object val = entry.getValue().cache(PARTITIONED_CACHE_NAME).peek(pinnedKey);
if (primaryNodeId.equals(entry.getKey()) || pinnedNodeId.equals(entry.getKey()))
assertEquals("val" + pinnedKey, val);
else assertNull(val);
}
}
}
/** {@inheritDoc} */
@Override
public void setAttribute(Object key, @Nullable Object val) {
A.notNull(key, "key");
synchronized (attrs) {
attrs.put(key, val);
}
}
/** {@inheritDoc} */
@SuppressWarnings("unchecked")
@Override
public <K, V> V getAttribute(K key) {
A.notNull(key, "key");
synchronized (attrs) {
return (V) attrs.get(key);
}
}
/** {@inheritDoc} */
@Override
public GridFuture<?> addData(Map<K, V> entries) throws IllegalStateException {
A.notNull(entries, "entries");
return addData(entries.entrySet());
}
/**
* Test how IPC cache map works.
*
* @throws Exception If failed.
*/
@SuppressWarnings("unchecked")
public void testIpcCache() throws Exception {
Field cacheField = GridGgfsHadoopIpcIo.class.getDeclaredField("ipcCache");
cacheField.setAccessible(true);
Field activeCntField = GridGgfsHadoopIpcIo.class.getDeclaredField("activeCnt");
activeCntField.setAccessible(true);
Map<String, GridGgfsHadoopIpcIo> cache =
(Map<String, GridGgfsHadoopIpcIo>) cacheField.get(null);
String name = "ggfs:" + getTestGridName(0) + "@";
Configuration cfg = new Configuration();
cfg.addResource(U.resolveGridGainUrl(HADOOP_FS_CFG));
cfg.setBoolean("fs.ggfs.impl.disable.cache", true);
cfg.setBoolean(String.format(GridGgfsHadoopUtils.PARAM_GGFS_ENDPOINT_NO_EMBED, name), true);
// Ensure that existing IO is reused.
FileSystem fs1 = FileSystem.get(new URI("ggfs://" + name + "/"), cfg);
assertEquals(1, cache.size());
GridGgfsHadoopIpcIo io = null;
System.out.println("CACHE: " + cache);
for (String key : cache.keySet()) {
if (key.contains("10500")) {
io = cache.get(key);
break;
}
}
assert io != null;
assertEquals(1, ((AtomicInteger) activeCntField.get(io)).get());
// Ensure that when IO is used by multiple file systems and one of them is closed, IO is not
// stopped.
FileSystem fs2 = FileSystem.get(new URI("ggfs://" + name + "/abc"), cfg);
assertEquals(1, cache.size());
assertEquals(2, ((AtomicInteger) activeCntField.get(io)).get());
fs2.close();
assertEquals(1, cache.size());
assertEquals(1, ((AtomicInteger) activeCntField.get(io)).get());
Field stopField = GridGgfsHadoopIpcIo.class.getDeclaredField("stopping");
stopField.setAccessible(true);
assert !(Boolean) stopField.get(io);
// Ensure that IO is stopped when nobody else is need it.
fs1.close();
assert cache.isEmpty();
assert (Boolean) stopField.get(io);
}
