HDFS-8403. Eliminate retries in TestFileCreation#testOverwriteOpenForWrite. Contributed by Arpit Agarwal.
This commit is contained in:
Haohui Mai
parent
e5afac5896
commit
ac742c762d
@ -775,6 +775,9 @@ Release 2.8.0 - UNRELEASED
|
||||
HDFS-8371. Fix test failure in TestHdfsConfigFields for spanreceiver
|
||||
properties. (Ray Chiang via aajisaka)
|
||||
|
||||
HDFS-8403. Eliminate retries in TestFileCreation
|
||||
#testOverwriteOpenForWrite. (Arpit Agarwal via wheat9)
|
||||
|
||||
Release 2.7.1 - UNRELEASED
|
||||
|
||||
INCOMPATIBLE CHANGES
|
||||
|
||||
@ -341,10 +341,13 @@ public DFSClient(URI nameNodeUri, ClientProtocol rpcNamenode,
|
||||
this.namenode = rpcNamenode;
|
||||
dtService = null;
|
||||
} else {
|
||||
boolean noRetries = conf.getBoolean(
|
||||
DFSConfigKeys.DFS_CLIENT_TEST_NO_PROXY_RETRIES,
|
||||
DFSConfigKeys.DFS_CLIENT_TEST_NO_PROXY_RETRIES_DEFAULT);
|
||||
Preconditions.checkArgument(nameNodeUri != null,
|
||||
"null URI");
|
||||
proxyInfo = NameNodeProxies.createProxy(conf, nameNodeUri,
|
||||
ClientProtocol.class, nnFallbackToSimpleAuth);
|
||||
ClientProtocol.class, nnFallbackToSimpleAuth, !noRetries);
|
||||
this.dtService = proxyInfo.getDelegationTokenService();
|
||||
this.namenode = proxyInfo.getProxy();
|
||||
}
|
||||
|
||||
@ -20,6 +20,7 @@
|
||||
|
||||
import java.util.concurrent.TimeUnit;
|
||||
|
||||
import com.google.common.annotations.VisibleForTesting;
|
||||
import org.apache.hadoop.classification.InterfaceAudience;
|
||||
import org.apache.hadoop.fs.CommonConfigurationKeys;
|
||||
import org.apache.hadoop.hdfs.client.HdfsClientConfigKeys;
|
||||
@ -993,6 +994,14 @@ public class DFSConfigKeys extends CommonConfigurationKeys {
|
||||
// For testing NN retry cache, we can set this property with positive value.
|
||||
public static final String DFS_CLIENT_TEST_DROP_NAMENODE_RESPONSE_NUM_KEY = "dfs.client.test.drop.namenode.response.number";
|
||||
public static final int DFS_CLIENT_TEST_DROP_NAMENODE_RESPONSE_NUM_DEFAULT = 0;
|
||||
|
||||
// Create a NN proxy without retries for testing.
|
||||
@VisibleForTesting
|
||||
public static final String DFS_CLIENT_TEST_NO_PROXY_RETRIES =
|
||||
"dfs.client.test.no.proxy.retries";
|
||||
@VisibleForTesting
|
||||
public static final boolean DFS_CLIENT_TEST_NO_PROXY_RETRIES_DEFAULT = false;
|
||||
|
||||
public static final String DFS_CLIENT_SLOW_IO_WARNING_THRESHOLD_KEY =
|
||||
"dfs.client.slow.io.warning.threshold.ms";
|
||||
public static final long DFS_CLIENT_SLOW_IO_WARNING_THRESHOLD_DEFAULT = 30000;
|
||||
|
||||
@ -161,6 +161,31 @@ public static <T> ProxyAndInfo<T> createProxy(Configuration conf,
|
||||
public static <T> ProxyAndInfo<T> createProxy(Configuration conf,
|
||||
URI nameNodeUri, Class<T> xface, AtomicBoolean fallbackToSimpleAuth)
|
||||
throws IOException {
|
||||
return createProxy(conf, nameNodeUri, xface, fallbackToSimpleAuth, true);
|
||||
}
|
||||
|
||||
/**
|
||||
* Creates the namenode proxy with the passed protocol. This will handle
|
||||
* creation of either HA- or non-HA-enabled proxy objects, depending upon
|
||||
* if the provided URI is a configured logical URI.
|
||||
*
|
||||
* @param conf the configuration containing the required IPC
|
||||
* properties, client failover configurations, etc.
|
||||
* @param nameNodeUri the URI pointing either to a specific NameNode
|
||||
* or to a logical nameservice.
|
||||
* @param xface the IPC interface which should be created
|
||||
* @param fallbackToSimpleAuth set to true or false during calls to
|
||||
* indicate if a secure client falls back to simple auth
|
||||
* @param withRetries certain interfaces have a non-standard retry policy
|
||||
* @return an object containing both the proxy and the associated
|
||||
* delegation token service it corresponds to
|
||||
* @throws IOException if there is an error creating the proxy
|
||||
**/
|
||||
@SuppressWarnings("unchecked")
|
||||
public static <T> ProxyAndInfo<T> createProxy(Configuration conf,
|
||||
URI nameNodeUri, Class<T> xface, AtomicBoolean fallbackToSimpleAuth,
|
||||
boolean withRetries)
|
||||
throws IOException {
|
||||
AbstractNNFailoverProxyProvider<T> failoverProxyProvider =
|
||||
createFailoverProxyProvider(conf, nameNodeUri, xface, true,
|
||||
fallbackToSimpleAuth);
|
||||
@ -168,7 +193,8 @@ public static <T> ProxyAndInfo<T> createProxy(Configuration conf,
|
||||
if (failoverProxyProvider == null) {
|
||||
// Non-HA case
|
||||
return createNonHAProxy(conf, NameNode.getAddress(nameNodeUri), xface,
|
||||
UserGroupInformation.getCurrentUser(), true, fallbackToSimpleAuth);
|
||||
UserGroupInformation.getCurrentUser(), withRetries,
|
||||
fallbackToSimpleAuth);
|
||||
} else {
|
||||
// HA case
|
||||
DfsClientConf config = new DfsClientConf(conf);
|
||||
|
||||
@ -65,6 +65,7 @@
|
||||
import org.apache.hadoop.fs.ParentNotDirectoryException;
|
||||
import org.apache.hadoop.fs.Path;
|
||||
import org.apache.hadoop.fs.permission.FsPermission;
|
||||
import org.apache.hadoop.hdfs.client.HdfsClientConfigKeys;
|
||||
import org.apache.hadoop.hdfs.client.HdfsDataOutputStream;
|
||||
import org.apache.hadoop.hdfs.protocol.Block;
|
||||
import org.apache.hadoop.hdfs.protocol.DatanodeInfo;
|
||||
@ -73,6 +74,7 @@
|
||||
import org.apache.hadoop.hdfs.protocol.LocatedBlock;
|
||||
import org.apache.hadoop.hdfs.protocol.LocatedBlocks;
|
||||
import org.apache.hadoop.hdfs.server.blockmanagement.BlockManager;
|
||||
import org.apache.hadoop.hdfs.server.common.HdfsServerConstants;
|
||||
import org.apache.hadoop.hdfs.server.datanode.DataNode;
|
||||
import org.apache.hadoop.hdfs.server.datanode.DataNodeTestUtils;
|
||||
import org.apache.hadoop.hdfs.server.datanode.SimulatedFSDataset;
|
||||
@ -377,6 +379,11 @@ public void testOverwriteOpenForWrite() throws Exception {
|
||||
Configuration conf = new HdfsConfiguration();
|
||||
SimulatedFSDataset.setFactory(conf);
|
||||
conf.setBoolean(DFSConfigKeys.DFS_PERMISSIONS_ENABLED_KEY, false);
|
||||
|
||||
// Force NameNodeProxies' createNNProxyWithClientProtocol to give
|
||||
// up file creation after one failure.
|
||||
conf.setBoolean(DFSConfigKeys.DFS_CLIENT_TEST_NO_PROXY_RETRIES, true);
|
||||
|
||||
final MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).build();
|
||||
FileSystem fs = cluster.getFileSystem();
|
||||
|
||||
@ -405,9 +412,8 @@ public FileSystem run() throws Exception {
|
||||
} catch (IOException abce) {
|
||||
GenericTestUtils.assertExceptionContains("Failed to CREATE_FILE", abce);
|
||||
}
|
||||
// NameNodeProxies' createNNProxyWithClientProtocol has 5 retries.
|
||||
assertCounter("AlreadyBeingCreatedExceptionNumOps",
|
||||
6L, getMetrics(metricsName));
|
||||
1L, getMetrics(metricsName));
|
||||
FSDataOutputStream stm2 = fs2.create(p, true);
|
||||
stm2.write(2);
|
||||
stm2.close();
|
||||
|
||||
Loading…
Reference in New Issue
Block a user