Revert "HADOOP-18851: Performance improvement for DelegationTokenSecretManager. (#6001). Contributed by Vikas Kumar."

This reverts commit e283375cdf.
This commit is contained in:
Sammi Chen 2024-05-07 13:22:45 +08:00
parent edf985e269
commit 43e8ca428e
2 changed files with 33 additions and 39 deletions

View File

@ -120,12 +120,12 @@ private String formatTokenId(TokenIdent id) {
/**
* Access to currentKey is protected by this object lock
*/
private volatile DelegationKey currentKey;
private DelegationKey currentKey;
private final long keyUpdateInterval;
private final long tokenMaxLifetime;
private final long tokenRemoverScanInterval;
private final long tokenRenewInterval;
private long keyUpdateInterval;
private long tokenMaxLifetime;
private long tokenRemoverScanInterval;
private long tokenRenewInterval;
/**
* Whether to store a token's tracking ID in its TokenInformation.
* Can be overridden by a subclass.
@ -491,18 +491,17 @@ private synchronized void removeExpiredKeys() {
}
@Override
protected byte[] createPassword(TokenIdent identifier) {
protected synchronized byte[] createPassword(TokenIdent identifier) {
int sequenceNum;
long now = Time.now();
sequenceNum = incrementDelegationTokenSeqNum();
identifier.setIssueDate(now);
identifier.setMaxDate(now + tokenMaxLifetime);
DelegationKey delegationCurrentKey = currentKey;
identifier.setMasterKeyId(delegationCurrentKey.getKeyId());
identifier.setMasterKeyId(currentKey.getKeyId());
identifier.setSequenceNumber(sequenceNum);
LOG.info("Creating password for identifier: " + formatTokenId(identifier)
+ ", currentKey: " + delegationCurrentKey.getKeyId());
byte[] password = createPassword(identifier.getBytes(), delegationCurrentKey.getKey());
+ ", currentKey: " + currentKey.getKeyId());
byte[] password = createPassword(identifier.getBytes(), currentKey.getKey());
DelegationTokenInformation tokenInfo = new DelegationTokenInformation(now
+ tokenRenewInterval, password, getTrackingIdIfEnabled(identifier));
try {
@ -527,6 +526,7 @@ protected byte[] createPassword(TokenIdent identifier) {
*/
protected DelegationTokenInformation checkToken(TokenIdent identifier)
throws InvalidToken {
assert Thread.holdsLock(this);
DelegationTokenInformation info = getTokenInfo(identifier);
String err;
if (info == null) {
@ -546,7 +546,7 @@ protected DelegationTokenInformation checkToken(TokenIdent identifier)
}
@Override
public byte[] retrievePassword(TokenIdent identifier)
public synchronized byte[] retrievePassword(TokenIdent identifier)
throws InvalidToken {
return checkToken(identifier).getPassword();
}
@ -558,7 +558,7 @@ protected String getTrackingIdIfEnabled(TokenIdent ident) {
return null;
}
public String getTokenTrackingId(TokenIdent identifier) {
public synchronized String getTokenTrackingId(TokenIdent identifier) {
DelegationTokenInformation info = getTokenInfo(identifier);
if (info == null) {
return null;
@ -572,7 +572,7 @@ public String getTokenTrackingId(TokenIdent identifier) {
* @param password Password in the token.
* @throws InvalidToken InvalidToken.
*/
public void verifyToken(TokenIdent identifier, byte[] password)
public synchronized void verifyToken(TokenIdent identifier, byte[] password)
throws InvalidToken {
byte[] storedPassword = retrievePassword(identifier);
if (!MessageDigest.isEqual(password, storedPassword)) {
@ -589,7 +589,7 @@ public void verifyToken(TokenIdent identifier, byte[] password)
* @throws InvalidToken if the token is invalid
* @throws AccessControlException if the user can't renew token
*/
public long renewToken(Token<TokenIdent> token,
public synchronized long renewToken(Token<TokenIdent> token,
String renewer) throws InvalidToken, IOException {
ByteArrayInputStream buf = new ByteArrayInputStream(token.getIdentifier());
DataInputStream in = new DataInputStream(buf);
@ -651,7 +651,7 @@ public long renewToken(Token<TokenIdent> token,
* @throws InvalidToken for invalid token
* @throws AccessControlException if the user isn't allowed to cancel
*/
public TokenIdent cancelToken(Token<TokenIdent> token,
public synchronized TokenIdent cancelToken(Token<TokenIdent> token,
String canceller) throws IOException {
ByteArrayInputStream buf = new ByteArrayInputStream(token.getIdentifier());
DataInputStream in = new DataInputStream(buf);

View File

@ -25,7 +25,6 @@
import java.io.IOException;
import java.io.UncheckedIOException;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.locks.ReentrantLock;
import java.util.stream.Stream;
import org.apache.curator.RetryPolicy;
@ -153,7 +152,7 @@ protected static CuratorFramework getCurator() {
private final int seqNumBatchSize;
private int currentSeqNum;
private int currentMaxSeqNum;
private final ReentrantLock currentSeqNumLock;
private final boolean isTokenWatcherEnabled;
public ZKDelegationTokenSecretManager(Configuration conf) {
@ -169,7 +168,6 @@ public ZKDelegationTokenSecretManager(Configuration conf) {
ZK_DTSM_TOKEN_SEQNUM_BATCH_SIZE_DEFAULT);
isTokenWatcherEnabled = conf.getBoolean(ZK_DTSM_TOKEN_WATCHER_ENABLED,
ZK_DTSM_TOKEN_WATCHER_ENABLED_DEFAULT);
this.currentSeqNumLock = new ReentrantLock(true);
String workPath = conf.get(ZK_DTSM_ZNODE_WORKING_PATH, ZK_DTSM_ZNODE_WORKING_PATH_DEAFULT);
String nameSpace = workPath + "/" + ZK_DTSM_NAMESPACE;
@ -506,8 +504,6 @@ protected int incrementDelegationTokenSeqNum() {
// The secret manager will keep a local range of seq num which won't be
// seen by peers, so only when the range is exhausted it will ask zk for
// another range again
try {
this.currentSeqNumLock.lock();
if (currentSeqNum >= currentMaxSeqNum) {
try {
// after a successful batch request, we can get the range starting point
@ -524,10 +520,8 @@ protected int incrementDelegationTokenSeqNum() {
throw new RuntimeException("Could not increment shared counter !!", e);
}
}
return ++currentSeqNum;
} finally {
this.currentSeqNumLock.unlock();
}
}
@Override