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HADOOP-11741. Add LOG.isDebugEnabled() guard for some LOG.debug(). Contributed by Walter Su.

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This commit is contained in:
Tsuyoshi Ozawa 2015-03-25 16:36:10 +09:00
parent 80278a5f85
commit 5582b0f1d4
8 changed files with 90 additions and 41 deletions
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3
hadoop-common-project/hadoop-common/CHANGES.txt
View File

@ -459,6 +459,9 @@ Release 2.8.0 - UNRELEASED
HADOOP-11737. mockito's version in hadoop-nfs’ pom.xml shouldn't be
specified. (Kengo Seki via ozawa)
HADOOP-11741. Add LOG.isDebugEnabled() guard for some LOG.debug().
(Walter Su via ozawa)
OPTIMIZATIONS
BUG FIXES

2
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/conf/Configuration.java
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@ -2479,8 +2479,10 @@ public Iterator<Map.Entry<String, String>> iterator() {
private Document parse(DocumentBuilder builder, URL url)
throws IOException, SAXException {
if (!quietmode) {
if (LOG.isDebugEnabled()) {
LOG.debug("parsing URL " + url);
}
}
if (url == null) {
return null;
}

4
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/crypto/key/JavaKeyStoreProvider.java
View File

@ -214,9 +214,11 @@ private FsPermission tryLoadFromPath(Path path, Path backupPath)
renameOrFail(path, new Path(path.toString() + "_CORRUPTED_"
+ System.currentTimeMillis()));
renameOrFail(backupPath, path);
if (LOG.isDebugEnabled()) {
LOG.debug(String.format(
"KeyStore loaded successfully from '%s' since '%s'"
+ "was corrupted !!", backupPath, path));
}
} else {
throw ioe;
}
@ -265,8 +267,10 @@ private FsPermission loadAndReturnPerm(Path pathToLoad, Path pathToDelete)
try {
perm = loadFromPath(pathToLoad, password);
renameOrFail(pathToLoad, path);
if (LOG.isDebugEnabled()) {
LOG.debug(String.format("KeyStore loaded successfully from '%s'!!",
pathToLoad));
}
if (fs.exists(pathToDelete)) {
fs.delete(pathToDelete, true);
}

25
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ha/ActiveStandbyElector.java
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@ -256,7 +256,9 @@ public synchronized void joinElection(byte[] data)
appData = new byte[data.length];
System.arraycopy(data, 0, appData, 0, data.length);
if (LOG.isDebugEnabled()) {
LOG.debug("Attempting active election for " + this);
}
joinElectionInternal();
}
@ -406,9 +408,11 @@ public synchronized byte[] getActiveData() throws ActiveNotFoundException,
public synchronized void processResult(int rc, String path, Object ctx,
String name) {
if (isStaleClient(ctx)) return;
if (LOG.isDebugEnabled()) {
LOG.debug("CreateNode result: " + rc + " for path: " + path
+ " connectionState: " + zkConnectionState +
" for " + this);
}
Code code = Code.get(rc);
if (isSuccess(code)) {
@ -468,9 +472,10 @@ public synchronized void processResult(int rc, String path, Object ctx,
assert wantToBeInElection :
"Got a StatNode result after quitting election";
if (LOG.isDebugEnabled()) {
LOG.debug("StatNode result: " + rc + " for path: " + path
+ " connectionState: " + zkConnectionState + " for " + this);
}
Code code = Code.get(rc);
if (isSuccess(code)) {
@ -535,10 +540,12 @@ private void reJoinElectionAfterFailureToBecomeActive() {
synchronized void processWatchEvent(ZooKeeper zk, WatchedEvent event) {
Event.EventType eventType = event.getType();
if (isStaleClient(zk)) return;
if (LOG.isDebugEnabled()) {
LOG.debug("Watcher event type: " + eventType + " with state:"
+ event.getState() + " for path:" + event.getPath()
+ " connectionState: " + zkConnectionState
+ " for " + this);
}
if (eventType == Event.EventType.None) {
// the connection state has changed
@ -597,7 +604,9 @@ synchronized void processWatchEvent(ZooKeeper zk, WatchedEvent event) {
monitorActiveStatus();
break;
default:
if (LOG.isDebugEnabled()) {
LOG.debug("Unexpected node event: " + eventType + " for path: " + path);
}
monitorActiveStatus();
}
@ -646,7 +655,9 @@ private void fatalError(String errorMessage) {
private void monitorActiveStatus() {
assert wantToBeInElection;
if (LOG.isDebugEnabled()) {
LOG.debug("Monitoring active leader for " + this);
}
statRetryCount = 0;
monitorLockNodeAsync();
}
@ -737,7 +748,9 @@ private boolean reEstablishSession() {
int connectionRetryCount = 0;
boolean success = false;
while(!success && connectionRetryCount < maxRetryNum) {
if (LOG.isDebugEnabled()) {
LOG.debug("Establishing zookeeper connection for " + this);
}
try {
createConnection();
success = true;
@ -765,15 +778,19 @@ private void createConnection() throws IOException, KeeperException {
watcher = null;
}
zkClient = getNewZooKeeper();
if (LOG.isDebugEnabled()) {
LOG.debug("Created new connection for " + this);
}
}
@InterfaceAudience.Private
public synchronized void terminateConnection() {
if (zkClient == null) {
return;
}
if (LOG.isDebugEnabled()) {
LOG.debug("Terminating ZK connection for " + this);
}
ZooKeeper tempZk = zkClient;
zkClient = null;
watcher = null;
@ -801,7 +818,9 @@ private boolean becomeActive() {
Stat oldBreadcrumbStat = fenceOldActive();
writeBreadCrumbNode(oldBreadcrumbStat);
if (LOG.isDebugEnabled()) {
LOG.debug("Becoming active for " + this);
}
appClient.becomeActive();
state = State.ACTIVE;
return true;
@ -906,7 +925,9 @@ public byte[] run() throws KeeperException, InterruptedException {
private void becomeStandby() {
if (state != State.STANDBY) {
if (LOG.isDebugEnabled()) {
LOG.debug("Becoming standby for " + this);
}
state = State.STANDBY;
appClient.becomeStandby();
}
@ -914,7 +935,9 @@ private void becomeStandby() {
private void enterNeutralMode() {
if (state != State.NEUTRAL) {
if (LOG.isDebugEnabled()) {
LOG.debug("Entering neutral mode for " + this);
}
state = State.NEUTRAL;
appClient.enterNeutralMode();
}

5
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/RPC.java
View File

@ -876,10 +876,13 @@ void registerProtocolAndImpl(RpcKind rpcKind, Class<?> protocolClass,
getProtocolImplMap(rpcKind).put(new ProtoNameVer(protocolName, version),
new ProtoClassProtoImpl(protocolClass, protocolImpl));
LOG.debug("RpcKind = " + rpcKind + " Protocol Name = " + protocolName + " version=" + version +
if (LOG.isDebugEnabled()) {
LOG.debug("RpcKind = " + rpcKind + " Protocol Name = " + protocolName +
" version=" + version +
" ProtocolImpl=" + protocolImpl.getClass().getName() +
" protocolClass=" + protocolClass.getName());
}
}
static class VerProtocolImpl {
final long version;

2
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Server.java
View File

@ -234,10 +234,12 @@ public static void registerProtocolEngine(RPC.RpcKind rpcKind,
throw new IllegalArgumentException("ReRegistration of rpcKind: " +
rpcKind);
}
if (LOG.isDebugEnabled()) {
LOG.debug("rpcKind=" + rpcKind +
", rpcRequestWrapperClass=" + rpcRequestWrapperClass +
", rpcInvoker=" + rpcInvoker);
}
}
public Class<? extends Writable> getRpcRequestWrapper(
RpcKindProto rpcKind) {

2
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/metrics/ganglia/GangliaContext31.java
View File

@ -82,8 +82,10 @@ protected void emitMetric(String name, String type, String value)
return;
}
if (LOG.isDebugEnabled()) {
LOG.debug("Emitting metric " + name + ", type " + type + ", value " +
value + " from hostname" + hostName);
}
String units = getUnits(name);
int slope = getSlope(name);

10
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/ssl/FileBasedKeyStoresFactory.java
View File

@ -164,7 +164,9 @@ public void init(SSLFactory.Mode mode)
// configuration property for key password.
keystoreKeyPassword = getPassword(
conf, keyPasswordProperty, keystorePassword);
if (LOG.isDebugEnabled()) {
LOG.debug(mode.toString() + " KeyStore: " + keystoreLocation);
}
InputStream is = new FileInputStream(keystoreLocation);
try {
@ -172,7 +174,9 @@ public void init(SSLFactory.Mode mode)
} finally {
is.close();
}
if (LOG.isDebugEnabled()) {
LOG.debug(mode.toString() + " Loaded KeyStore: " + keystoreLocation);
}
} else {
keystore.load(null, null);
}
@ -204,18 +208,24 @@ public void init(SSLFactory.Mode mode)
resolvePropertyName(mode, SSL_TRUSTSTORE_RELOAD_INTERVAL_TPL_KEY),
DEFAULT_SSL_TRUSTSTORE_RELOAD_INTERVAL);
if (LOG.isDebugEnabled()) {
LOG.debug(mode.toString() + " TrustStore: " + truststoreLocation);
}
trustManager = new ReloadingX509TrustManager(truststoreType,
truststoreLocation,
truststorePassword,
truststoreReloadInterval);
trustManager.init();
if (LOG.isDebugEnabled()) {
LOG.debug(mode.toString() + " Loaded TrustStore: " + truststoreLocation);
}
trustManagers = new TrustManager[]{trustManager};
} else {
if (LOG.isDebugEnabled()) {
LOG.debug("The property '" + locationProperty + "' has not been set, " +
"no TrustStore will be loaded");
}
trustManagers = null;
}
}