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HDFS-3623. BKJM: zkLatchWaitTimeout hard coded to 6000. Make use of ZKSessionTimeout instead. Contributed by Uma Maheswara Rao G. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1409905 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Uma Maheswara Rao G 2012-11-15 18:25:55 +00:00
parent 03bf9d6f20
commit 8a2de21315
2 changed files with 13 additions and 3 deletions
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3
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -595,6 +595,9 @@ Release 2.0.3-alpha - Unreleased
HDFS-4104. dfs -test -d prints inappropriate error on nonexistent directory
(Andy Isaacson via daryn)
HDFS-3623. BKJM: zkLatchWaitTimeout hard coded to 6000. Make use of ZKSessionTimeout instead.
(umamahesh)
Release 2.0.2-alpha - 2012-09-07
INCOMPATIBLE CHANGES

13
hadoop-hdfs-project/hadoop-hdfs/src/contrib/bkjournal/src/main/java/org/apache/hadoop/contrib/bkjournal/BookKeeperJournalManager.java
View File

@ -180,9 +180,16 @@ public class BookKeeperJournalManager implements JournalManager {
try {
zkConnectLatch = new CountDownLatch(1);
zkc = new ZooKeeper(zkConnect, conf.getInt(BKJM_ZK_SESSION_TIMEOUT,
BKJM_ZK_SESSION_TIMEOUT_DEFAULT), new ZkConnectionWatcher());
if (!zkConnectLatch.await(6000, TimeUnit.MILLISECONDS)) {
int bkjmZKSessionTimeout = conf.getInt(BKJM_ZK_SESSION_TIMEOUT,
BKJM_ZK_SESSION_TIMEOUT_DEFAULT);
zkc = new ZooKeeper(zkConnect, bkjmZKSessionTimeout,
new ZkConnectionWatcher());
// Configured zk session timeout + some extra grace period (here
// BKJM_ZK_SESSION_TIMEOUT_DEFAULT used as grace period)
int zkConnectionLatchTimeout = bkjmZKSessionTimeout
+ BKJM_ZK_SESSION_TIMEOUT_DEFAULT;
if (!zkConnectLatch
.await(zkConnectionLatchTimeout, TimeUnit.MILLISECONDS)) {
throw new IOException("Error connecting to zookeeper");
}