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HADOOP-12350. WASB Logging: Improve WASB Logging around deletes, reads and writes. Contributed by Dushyanth.

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This commit is contained in:
cnauroth 2015-10-05 20:11:41 -07:00
parent 30ac69c6bd
commit 5f6edb30c2
3 changed files with 189 additions and 185 deletions
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3
hadoop-common-project/hadoop-common/CHANGES.txt
View File

@ -798,6 +798,9 @@ Release 2.8.0 - UNRELEASED
HADOOP-12452. Fix tracing documention reflecting the update to htrace-4
(Masatake Iwasaki via Colin P. McCabe)
HADOOP-12350. WASB Logging: Improve WASB Logging around deletes, reads and
writes (Dushyanth via cnauroth)
OPTIMIZATIONS
HADOOP-11785. Reduce the number of listStatus operation in distcp

66
hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azure/AzureNativeFileSystemStore.java
View File

@ -45,8 +45,6 @@
import java.util.Set;
import org.apache.commons.lang.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
@ -63,7 +61,8 @@
import org.apache.hadoop.fs.permission.FsPermission;
import org.apache.hadoop.fs.permission.PermissionStatus;
import org.mortbay.util.ajax.JSON;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.common.annotations.VisibleForTesting;
import com.microsoft.azure.storage.CloudStorageAccount;
import com.microsoft.azure.storage.OperationContext;
@ -104,8 +103,7 @@ public class AzureNativeFileSystemStore implements NativeFileSystemStore {
static final String DEFAULT_STORAGE_EMULATOR_ACCOUNT_NAME = "storageemulator";
static final String STORAGE_EMULATOR_ACCOUNT_NAME_PROPERTY_NAME = "fs.azure.storage.emulator.account.name";
public static final Log LOG = LogFactory
.getLog(AzureNativeFileSystemStore.class);
public static final Logger LOG = LoggerFactory.getLogger(AzureNativeFileSystemStore.class);
private StorageInterface storageInteractionLayer;
private CloudBlobDirectoryWrapper rootDirectory;
@ -441,7 +439,7 @@ public void initialize(URI uri, Configuration conf, AzureFileSystemInstrumentati
// Extract the directories that should contain page blobs
pageBlobDirs = getDirectorySet(KEY_PAGE_BLOB_DIRECTORIES);
LOG.debug("Page blob directories: " + setToString(pageBlobDirs));
LOG.debug("Page blob directories: {}", setToString(pageBlobDirs));
// Extract directories that should have atomic rename applied.
atomicRenameDirs = getDirectorySet(KEY_ATOMIC_RENAME_DIRECTORIES);
@ -455,7 +453,7 @@ public void initialize(URI uri, Configuration conf, AzureFileSystemInstrumentati
} catch (URISyntaxException e) {
LOG.warn("Unable to initialize HBase root as an atomic rename directory.");
}
LOG.debug("Atomic rename directories: " + setToString(atomicRenameDirs));
LOG.debug("Atomic rename directories: {} ", setToString(atomicRenameDirs));
}
/**
@ -686,16 +684,13 @@ private void configureAzureStorageSession() throws AzureException {
OperationContext.setLoggingEnabledByDefault(sessionConfiguration.
getBoolean(KEY_ENABLE_STORAGE_CLIENT_LOGGING, false));
if (LOG.isDebugEnabled()) {
LOG.debug(String
.format(
"AzureNativeFileSystemStore init. Settings=%d,%b,%d,{%d,%d,%d,%d},{%b,%f,%f}",
concurrentWrites, tolerateOobAppends,
((storageConnectionTimeout > 0) ? storageConnectionTimeout
: STORAGE_CONNECTION_TIMEOUT_DEFAULT), minBackoff,
deltaBackoff, maxBackoff, maxRetries, selfThrottlingEnabled,
selfThrottlingReadFactor, selfThrottlingWriteFactor));
}
LOG.debug(
"AzureNativeFileSystemStore init. Settings={},{},{},{{},{},{},{}},{{},{},{}}",
concurrentWrites, tolerateOobAppends,
((storageConnectionTimeout > 0) ? storageConnectionTimeout
: STORAGE_CONNECTION_TIMEOUT_DEFAULT), minBackoff,
deltaBackoff, maxBackoff, maxRetries, selfThrottlingEnabled,
selfThrottlingReadFactor, selfThrottlingWriteFactor);
}
/**
@ -1075,8 +1070,7 @@ public boolean isKeyForDirectorySet(String key, Set<String> dirSet) {
}
}
} catch (URISyntaxException e) {
LOG.info(String.format(
"URI syntax error creating URI for %s", dir));
LOG.info("URI syntax error creating URI for {}", dir);
}
}
return false;
@ -1843,9 +1837,7 @@ public FileMetadata retrieveMetadata(String key) throws IOException {
throw new AssertionError(errMsg);
}
if (LOG.isDebugEnabled()) {
LOG.debug("Retrieving metadata for " + key);
}
LOG.debug("Retrieving metadata for {}", key);
try {
if (checkContainer(ContainerAccessType.PureRead) == ContainerState.DoesntExist) {
@ -1869,10 +1861,7 @@ public FileMetadata retrieveMetadata(String key) throws IOException {
// exists.
if (null != blob && blob.exists(getInstrumentedContext())) {
if (LOG.isDebugEnabled()) {
LOG.debug("Found " + key
+ " as an explicit blob. Checking if it's a file or folder.");
}
LOG.debug("Found {} as an explicit blob. Checking if it's a file or folder.", key);
// The blob exists, so capture the metadata from the blob
// properties.
@ -1880,15 +1869,12 @@ public FileMetadata retrieveMetadata(String key) throws IOException {
BlobProperties properties = blob.getProperties();
if (retrieveFolderAttribute(blob)) {
if (LOG.isDebugEnabled()) {
LOG.debug(key + " is a folder blob.");
}
LOG.debug("{} is a folder blob.", key);
return new FileMetadata(key, properties.getLastModified().getTime(),
getPermissionStatus(blob), BlobMaterialization.Explicit);
} else {
if (LOG.isDebugEnabled()) {
LOG.debug(key + " is a normal blob.");
}
LOG.debug("{} is a normal blob.", key);
return new FileMetadata(
key, // Always return denormalized key with metadata.
@ -1914,8 +1900,8 @@ public FileMetadata retrieveMetadata(String key) throws IOException {
for (ListBlobItem blobItem : objects) {
if (blobItem instanceof CloudBlockBlobWrapper
|| blobItem instanceof CloudPageBlobWrapper) {
LOG.debug("Found blob as a directory-using this file under it to infer its properties "
+ blobItem.getUri());
LOG.debug("Found blob as a directory-using this file under it to infer its properties {}",
blobItem.getUri());
blob = (CloudBlobWrapper) blobItem;
// The key specifies a directory. Create a FileMetadata object which
@ -2326,6 +2312,8 @@ private void safeDelete(CloudBlobWrapper blob, SelfRenewingLease lease) throws S
try {
blob.delete(operationContext, lease);
} catch (StorageException e) {
LOG.error("Encountered Storage Exception for delete on Blob: {}, Exception Details: {} Error Code: {}",
blob.getUri(), e.getMessage(), e.getErrorCode());
// On exception, check that if:
// 1. It's a BlobNotFound exception AND
// 2. It got there after one-or-more retries THEN
@ -2334,9 +2322,7 @@ private void safeDelete(CloudBlobWrapper blob, SelfRenewingLease lease) throws S
e.getErrorCode().equals("BlobNotFound") &&
operationContext.getRequestResults().size() > 1 &&
operationContext.getRequestResults().get(0).getException() != null) {
if (LOG.isDebugEnabled()) {
LOG.debug("Swallowing delete exception on retry: " + e.getMessage());
}
LOG.debug("Swallowing delete exception on retry: {}", e.getMessage());
return;
} else {
throw e;
@ -2381,9 +2367,7 @@ public void rename(String srcKey, String dstKey) throws IOException {
public void rename(String srcKey, String dstKey, boolean acquireLease,
SelfRenewingLease existingLease) throws IOException {
if (LOG.isDebugEnabled()) {
LOG.debug("Moving " + srcKey + " to " + dstKey);
}
LOG.debug("Moving {} to {}", srcKey, dstKey);
if (acquireLease && existingLease != null) {
throw new IOException("Cannot acquire new lease if one already exists.");
@ -2559,7 +2543,7 @@ public void purge(String prefix) throws IOException {
*/
@Override
public SelfRenewingLease acquireLease(String key) throws AzureException {
LOG.debug("acquiring lease on " + key);
LOG.debug("acquiring lease on {}", key);
try {
checkContainer(ContainerAccessType.ReadThenWrite);
CloudBlobWrapper blob = getBlobReference(key);

303
hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azure/NativeAzureFileSystem.java
View File

@ -41,8 +41,6 @@
import org.apache.commons.lang.StringUtils;
import org.apache.commons.lang.exception.ExceptionUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.conf.Configuration;
@ -61,12 +59,12 @@
import org.apache.hadoop.fs.permission.PermissionStatus;
import org.apache.hadoop.fs.azure.AzureException;
import org.apache.hadoop.fs.azure.StorageInterface.CloudBlobWrapper;
import org.apache.hadoop.io.IOUtils;
import org.apache.hadoop.metrics2.lib.DefaultMetricsSystem;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.util.Progressable;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.codehaus.jackson.JsonNode;
import org.codehaus.jackson.JsonParseException;
import org.codehaus.jackson.JsonParser;
@ -174,8 +172,8 @@ public FolderRenamePending(Path redoFile, NativeAzureFileSystem fs)
}
if (!this.committed) {
LOG.error("Deleting corruped rename pending file "
+ redoFile + "\n" + contents);
LOG.error("Deleting corruped rename pending file {} \n {}",
redoFile, contents);
// delete the -RenamePending.json file
fs.delete(redoFile, false);
@ -244,9 +242,7 @@ public SelfRenewingLease getFolderLease() {
*/
public void writeFile(FileSystem fs) throws IOException {
Path path = getRenamePendingFilePath();
if (LOG.isDebugEnabled()){
LOG.debug("Preparing to write atomic rename state to " + path.toString());
}
LOG.debug("Preparing to write atomic rename state to {}", path.toString());
OutputStream output = null;
String contents = makeRenamePendingFileContents();
@ -259,7 +255,7 @@ public void writeFile(FileSystem fs) throws IOException {
throw new IOException("Unable to write RenamePending file for folder rename from "
+ srcKey + " to " + dstKey, e);
} finally {
IOUtils.cleanup(LOG, output);
NativeAzureFileSystem.cleanup(LOG, output);
}
}
@ -289,8 +285,8 @@ public String makeRenamePendingFileContents() {
MAX_RENAME_PENDING_FILE_SIZE - FORMATTING_BUFFER) {
// Give up now to avoid using too much memory.
LOG.error("Internal error: Exceeded maximum rename pending file size of "
+ MAX_RENAME_PENDING_FILE_SIZE + " bytes.");
LOG.error("Internal error: Exceeded maximum rename pending file size of {} bytes.",
MAX_RENAME_PENDING_FILE_SIZE);
// return some bad JSON with an error message to make it human readable
return "exceeded maximum rename pending file size";
@ -602,7 +598,7 @@ public String getScheme() {
}
}
public static final Log LOG = LogFactory.getLog(NativeAzureFileSystem.class);
public static final Logger LOG = LoggerFactory.getLogger(NativeAzureFileSystem.class);
static final String AZURE_BLOCK_SIZE_PROPERTY_NAME = "fs.azure.block.size";
/**
@ -695,18 +691,27 @@ public synchronized int available() throws IOException {
*/
@Override
public synchronized int read() throws IOException {
int result = 0;
result = in.read();
if (result != -1) {
pos++;
if (statistics != null) {
statistics.incrementBytesRead(1);
try {
int result = 0;
result = in.read();
if (result != -1) {
pos++;
if (statistics != null) {
statistics.incrementBytesRead(1);
}
}
}
// Return to the caller with the result.
//
return result;
return result;
} catch(IOException e) {
if (e.getCause() instanceof StorageException) {
StorageException storageExcp = (StorageException) e.getCause();
LOG.error("Encountered Storage Exception for read on Blob : {}"
+ " Exception details: {} Error Code : {}",
key, e.getMessage(), storageExcp.getErrorCode());
}
throw e;
}
}
/*
@ -731,18 +736,28 @@ public synchronized int read() throws IOException {
*/
@Override
public synchronized int read(byte[] b, int off, int len) throws IOException {
int result = 0;
result = in.read(b, off, len);
if (result > 0) {
pos += result;
}
try {
int result = 0;
result = in.read(b, off, len);
if (result > 0) {
pos += result;
}
if (null != statistics) {
statistics.incrementBytesRead(result);
}
if (null != statistics) {
statistics.incrementBytesRead(result);
}
// Return to the caller with the result.
return result;
// Return to the caller with the result.
return result;
} catch(IOException e) {
if (e.getCause() instanceof StorageException) {
StorageException storageExcp = (StorageException) e.getCause();
LOG.error("Encountered Storage Exception for read on Blob : {}"
+ " Exception details: {} Error Code : {}",
key, e.getMessage(), storageExcp.getErrorCode());
}
throw e;
}
}
@Override
@ -756,10 +771,8 @@ public synchronized void seek(long pos) throws IOException {
in.close();
in = store.retrieve(key);
this.pos = in.skip(pos);
if (LOG.isDebugEnabled()) {
LOG.debug(String.format("Seek to position %d. Bytes skipped %d", pos,
this.pos));
}
LOG.debug("Seek to position {}. Bytes skipped {}", pos,
this.pos);
}
@Override
@ -832,7 +845,17 @@ public synchronized void close() throws IOException {
*/
@Override
public void write(int b) throws IOException {
out.write(b);
try {
out.write(b);
} catch(IOException e) {
if (e.getCause() instanceof StorageException) {
StorageException storageExcp = (StorageException) e.getCause();
LOG.error("Encountered Storage Exception for write on Blob : {}"
+ " Exception details: {} Error Code : {}",
key, e.getMessage(), storageExcp.getErrorCode());
}
throw e;
}
}
/**
@ -845,7 +868,17 @@ public void write(int b) throws IOException {
*/
@Override
public void write(byte[] b) throws IOException {
out.write(b);
try {
out.write(b);
} catch(IOException e) {
if (e.getCause() instanceof StorageException) {
StorageException storageExcp = (StorageException) e.getCause();
LOG.error("Encountered Storage Exception for write on Blob : {}"
+ " Exception details: {} Error Code : {}",
key, e.getMessage(), storageExcp.getErrorCode());
}
throw e;
}
}
/**
@ -865,7 +898,17 @@ public void write(byte[] b) throws IOException {
*/
@Override
public void write(byte[] b, int off, int len) throws IOException {
out.write(b, off, len);
try {
out.write(b, off, len);
} catch(IOException e) {
if (e.getCause() instanceof StorageException) {
StorageException storageExcp = (StorageException) e.getCause();
LOG.error("Encountered Storage Exception for write on Blob : {}"
+ " Exception details: {} Error Code : {}",
key, e.getMessage(), storageExcp.getErrorCode());
}
throw e;
}
}
/**
@ -1053,11 +1096,11 @@ public void initialize(URI uri, Configuration conf)
this.blockSize = conf.getLong(AZURE_BLOCK_SIZE_PROPERTY_NAME,
MAX_AZURE_BLOCK_SIZE);
if (LOG.isDebugEnabled()) {
LOG.debug("NativeAzureFileSystem. Initializing.");
LOG.debug(" blockSize = "
+ conf.getLong(AZURE_BLOCK_SIZE_PROPERTY_NAME, MAX_AZURE_BLOCK_SIZE));
}
LOG.debug("NativeAzureFileSystem. Initializing.");
LOG.debug(" blockSize = {}",
conf.getLong(AZURE_BLOCK_SIZE_PROPERTY_NAME, MAX_AZURE_BLOCK_SIZE));
}
private NativeFileSystemStore createDefaultStore(Configuration conf) {
@ -1231,8 +1274,8 @@ public FSDataOutputStream createNonRecursive(Path f, FsPermission permission,
f.getName() + " because parent folder does not exist.");
}
LOG.warn("Got unexpected exception trying to get lease on "
+ pathToKey(parent) + ". " + e.getMessage());
LOG.warn("Got unexpected exception trying to get lease on {} . {}",
pathToKey(parent), e.getMessage());
throw e;
}
}
@ -1250,7 +1293,7 @@ public FSDataOutputStream createNonRecursive(Path f, FsPermission permission,
// This'll let the keep-alive thread exit as soon as it wakes up.
lease.free();
} catch (Exception e) {
LOG.warn("Unable to free lease because: " + e.getMessage());
LOG.warn("Unable to free lease because: {}", e.getMessage());
}
throw new FileNotFoundException("Cannot create file " +
f.getName() + " because parent folder does not exist.");
@ -1268,7 +1311,7 @@ public FSDataOutputStream createNonRecursive(Path f, FsPermission permission,
lease.free();
}
} catch (Exception e) {
IOUtils.cleanup(LOG, out);
NativeAzureFileSystem.cleanup(LOG, out);
String msg = "Unable to free lease on " + parent.toUri();
LOG.error(msg);
throw new IOException(msg, e);
@ -1327,9 +1370,7 @@ private FSDataOutputStream create(Path f, FsPermission permission,
SelfRenewingLease parentFolderLease)
throws IOException {
if (LOG.isDebugEnabled()) {
LOG.debug("Creating file: " + f.toString());
}
LOG.debug("Creating file: {}", f.toString());
if (containsColon(f)) {
throw new IOException("Cannot create file " + f
@ -1456,9 +1497,7 @@ public boolean delete(Path f, boolean recursive) throws IOException {
public boolean delete(Path f, boolean recursive,
boolean skipParentFolderLastModifidedTimeUpdate) throws IOException {
if (LOG.isDebugEnabled()) {
LOG.debug("Deleting file: " + f.toString());
}
LOG.debug("Deleting file: {}", f.toString());
Path absolutePath = makeAbsolute(f);
String key = pathToKey(absolutePath);
@ -1492,11 +1531,10 @@ public boolean delete(Path f, boolean recursive,
+ parentPath + " which is also a file. Can't resolve.");
}
if (parentMetadata.getBlobMaterialization() == BlobMaterialization.Implicit) {
if (LOG.isDebugEnabled()) {
LOG.debug("Found an implicit parent directory while trying to"
+ " delete the file " + f + ". Creating the directory blob for"
+ " it in " + parentKey + ".");
}
LOG.debug("Found an implicit parent directory while trying to"
+ " delete the file {}. Creating the directory blob for"
+ " it in {}.", f, parentKey);
store.storeEmptyFolder(parentKey,
createPermissionStatus(FsPermission.getDefault()));
} else {
@ -1510,18 +1548,17 @@ public boolean delete(Path f, boolean recursive,
} else {
// The path specifies a folder. Recursively delete all entries under the
// folder.
LOG.debug("Directory Delete encountered: {}", f.toString());
Path parentPath = absolutePath.getParent();
if (parentPath.getParent() != null) {
String parentKey = pathToKey(parentPath);
FileMetadata parentMetadata = store.retrieveMetadata(parentKey);
if (parentMetadata.getBlobMaterialization() == BlobMaterialization.Implicit) {
if (LOG.isDebugEnabled()) {
LOG.debug("Found an implicit parent directory while trying to"
+ " delete the directory " + f
+ ". Creating the directory blob for" + " it in " + parentKey
+ ".");
}
LOG.debug("Found an implicit parent directory while trying to"
+ " delete the directory {}. Creating the directory blob for"
+ " it in {}. ", f, parentKey);
store.storeEmptyFolder(parentKey,
createPermissionStatus(FsPermission.getDefault()));
}
@ -1570,15 +1607,14 @@ public boolean delete(Path f, boolean recursive,
}
// File or directory was successfully deleted.
LOG.debug("Delete Successful for : {}", f.toString());
return true;
}
@Override
public FileStatus getFileStatus(Path f) throws IOException {
if (LOG.isDebugEnabled()) {
LOG.debug("Getting the file status for " + f.toString());
}
LOG.debug("Getting the file status for {}", f.toString());
// Capture the absolute path and the path to key.
Path absolutePath = makeAbsolute(f);
@ -1594,9 +1630,8 @@ public FileStatus getFileStatus(Path f) throws IOException {
if (meta.isDir()) {
// The path is a folder with files in it.
//
if (LOG.isDebugEnabled()) {
LOG.debug("Path " + f.toString() + "is a folder.");
}
LOG.debug("Path {} is a folder.", f.toString());
// If a rename operation for the folder was pending, redo it.
// Then the file does not exist, so signal that.
@ -1610,9 +1645,7 @@ public FileStatus getFileStatus(Path f) throws IOException {
}
// The path is a file.
if (LOG.isDebugEnabled()) {
LOG.debug("Found the path: " + f.toString() + " as a file.");
}
LOG.debug("Found the path: {} as a file.", f.toString());
// Return with reference to a file object.
return newFile(meta, absolutePath);
@ -1665,9 +1698,7 @@ public URI getUri() {
@Override
public FileStatus[] listStatus(Path f) throws IOException {
if (LOG.isDebugEnabled()) {
LOG.debug("Listing status for " + f.toString());
}
LOG.debug("Listing status for {}", f.toString());
Path absolutePath = makeAbsolute(f);
String key = pathToKey(absolutePath);
@ -1676,9 +1707,9 @@ public FileStatus[] listStatus(Path f) throws IOException {
if (meta != null) {
if (!meta.isDir()) {
if (LOG.isDebugEnabled()) {
LOG.debug("Found path as a file");
}
LOG.debug("Found path as a file");
return new FileStatus[] { newFile(meta, absolutePath) };
}
String partialKey = null;
@ -1714,15 +1745,13 @@ public FileStatus[] listStatus(Path f) throws IOException {
status.add(newFile(fileMetadata, subpath));
}
}
if (LOG.isDebugEnabled()) {
LOG.debug("Found path as a directory with " + status.size()
+ " files in it.");
}
LOG.debug("Found path as a directory with {}"
+ " files in it.", status.size());
} else {
// There is no metadata found for the path.
if (LOG.isDebugEnabled()) {
LOG.debug("Did not find any metadata for path: " + key);
}
LOG.debug("Did not find any metadata for path: {}", key);
throw new FileNotFoundException("File" + f + " does not exist.");
}
@ -1835,9 +1864,9 @@ public boolean mkdirs(Path f, FsPermission permission) throws IOException {
}
public boolean mkdirs(Path f, FsPermission permission, boolean noUmask) throws IOException {
if (LOG.isDebugEnabled()) {
LOG.debug("Creating directory: " + f.toString());
}
LOG.debug("Creating directory: {}", f.toString());
if (containsColon(f)) {
throw new IOException("Cannot create directory " + f
@ -1894,9 +1923,8 @@ public boolean mkdirs(Path f, FsPermission permission, boolean noUmask) throws I
@Override
public FSDataInputStream open(Path f, int bufferSize) throws IOException {
if (LOG.isDebugEnabled()) {
LOG.debug("Opening file: " + f.toString());
}
LOG.debug("Opening file: {}", f.toString());
Path absolutePath = makeAbsolute(f);
String key = pathToKey(absolutePath);
@ -1918,9 +1946,7 @@ public boolean rename(Path src, Path dst) throws IOException {
FolderRenamePending renamePending = null;
if (LOG.isDebugEnabled()) {
LOG.debug("Moving " + src + " to " + dst);
}
LOG.debug("Moving {} to {}", src, dst);
if (containsColon(dst)) {
throw new IOException("Cannot rename to file " + dst
@ -1941,46 +1967,34 @@ public boolean rename(Path src, Path dst) throws IOException {
if (dstMetadata != null && dstMetadata.isDir()) {
// It's an existing directory.
dstKey = pathToKey(makeAbsolute(new Path(dst, src.getName())));
if (LOG.isDebugEnabled()) {
LOG.debug("Destination " + dst
+ " is a directory, adjusted the destination to be " + dstKey);
}
LOG.debug("Destination {} "
+ " is a directory, adjusted the destination to be {}", dst, dstKey);
} else if (dstMetadata != null) {
// Attempting to overwrite a file using rename()
if (LOG.isDebugEnabled()) {
LOG.debug("Destination " + dst
+ " is an already existing file, failing the rename.");
}
LOG.debug("Destination {}"
+ " is an already existing file, failing the rename.", dst);
return false;
} else {
// Check that the parent directory exists.
FileMetadata parentOfDestMetadata =
store.retrieveMetadata(pathToKey(absoluteDst.getParent()));
if (parentOfDestMetadata == null) {
if (LOG.isDebugEnabled()) {
LOG.debug("Parent of the destination " + dst
+ " doesn't exist, failing the rename.");
}
LOG.debug("Parent of the destination {}"
+ " doesn't exist, failing the rename.", dst);
return false;
} else if (!parentOfDestMetadata.isDir()) {
if (LOG.isDebugEnabled()) {
LOG.debug("Parent of the destination " + dst
+ " is a file, failing the rename.");
}
LOG.debug("Parent of the destination {}"
+ " is a file, failing the rename.", dst);
return false;
}
}
FileMetadata srcMetadata = store.retrieveMetadata(srcKey);
if (srcMetadata == null) {
// Source doesn't exist
if (LOG.isDebugEnabled()) {
LOG.debug("Source " + src + " doesn't exist, failing the rename.");
}
LOG.debug("Source {} doesn't exist, failing the rename.", src);
return false;
} else if (!srcMetadata.isDir()) {
if (LOG.isDebugEnabled()) {
LOG.debug("Source " + src + " found as a file, renaming.");
}
LOG.debug("Source {} found as a file, renaming.", src);
store.rename(srcKey, dstKey);
} else {
@ -1995,9 +2009,8 @@ public boolean rename(Path src, Path dst) throws IOException {
// In the future, we could generalize it easily to all folders.
renamePending = prepareAtomicFolderRename(srcKey, dstKey);
renamePending.execute();
if (LOG.isDebugEnabled()) {
LOG.debug("Renamed " + src + " to " + dst + " successfully.");
}
LOG.debug("Renamed {} to {} successfully.", src, dst);
renamePending.cleanup();
return true;
}
@ -2007,9 +2020,7 @@ public boolean rename(Path src, Path dst) throws IOException {
updateParentFolderLastModifiedTime(srcKey);
updateParentFolderLastModifiedTime(dstKey);
if (LOG.isDebugEnabled()) {
LOG.debug("Renamed " + src + " to " + dst + " successfully.");
}
LOG.debug("Renamed {} to {} successfully.", src, dst);
return true;
}
@ -2053,8 +2064,8 @@ private void updateParentFolderLastModifiedTime(String key)
if (errorCode.equals("BlobNotFound")) {
throw new FileNotFoundException("Folder does not exist: " + parentKey);
}
LOG.warn("Got unexpected exception trying to get lease on "
+ parentKey + ". " + e.getMessage());
LOG.warn("Got unexpected exception trying to get lease on {}. {}",
parentKey, e.getMessage());
throw e;
} finally {
try {
@ -2062,7 +2073,7 @@ private void updateParentFolderLastModifiedTime(String key)
lease.free();
}
} catch (Exception e) {
LOG.error("Unable to free lease on " + parentKey, e);
LOG.error("Unable to free lease on {}", parentKey, e);
}
}
} else {
@ -2244,10 +2255,8 @@ public synchronized void close() throws IOException {
AzureFileSystemMetricsSystem.fileSystemClosed();
}
if (LOG.isDebugEnabled()) {
LOG.debug("Submitting metrics when file system closed took "
+ (System.currentTimeMillis() - startTime) + " ms.");
}
LOG.debug("Submitting metrics when file system closed took {} ms.",
(System.currentTimeMillis() - startTime));
isClosed = true;
}
@ -2268,9 +2277,8 @@ private class DanglingFileDeleter extends DanglingFileHandler {
@Override
void handleFile(FileMetadata file, FileMetadata tempFile)
throws IOException {
if (LOG.isDebugEnabled()) {
LOG.debug("Deleting dangling file " + file.getKey());
}
LOG.debug("Deleting dangling file {}", file.getKey());
store.delete(file.getKey());
store.delete(tempFile.getKey());
}
@ -2290,9 +2298,8 @@ private class DanglingFileRecoverer extends DanglingFileHandler {
@Override
void handleFile(FileMetadata file, FileMetadata tempFile)
throws IOException {
if (LOG.isDebugEnabled()) {
LOG.debug("Recovering " + file.getKey());
}
LOG.debug("Recovering {}", file.getKey());
// Move to the final destination
String finalDestinationKey =
pathToKey(new Path(destination, file.getKey()));
@ -2369,9 +2376,8 @@ private void handleFilesWithDanglingTempData(Path root,
*/
public void recoverFilesWithDanglingTempData(Path root, Path destination)
throws IOException {
if (LOG.isDebugEnabled()) {
LOG.debug("Recovering files with dangling temp data in " + root);
}
LOG.debug("Recovering files with dangling temp data in {}", root);
handleFilesWithDanglingTempData(root,
new DanglingFileRecoverer(destination));
}
@ -2387,9 +2393,8 @@ public void recoverFilesWithDanglingTempData(Path root, Path destination)
* @throws IOException
*/
public void deleteFilesWithDanglingTempData(Path root) throws IOException {
if (LOG.isDebugEnabled()) {
LOG.debug("Deleting files with dangling temp data in " + root);
}
LOG.debug("Deleting files with dangling temp data in {}", root);
handleFilesWithDanglingTempData(root, new DanglingFileDeleter());
}
@ -2425,4 +2430,16 @@ private static String encodeKey(String aKey) {
// Return to the caller with the randomized key.
return randomizedKey;
}
private static void cleanup(Logger log, java.io.Closeable closeable) {
if (closeable != null) {
try {
closeable.close();
} catch(IOException e) {
if (log != null) {
log.debug("Exception in closing {}", closeable, e);
}
}
}
}
}