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HDFS-5337. should do hsync for a commit request even there is no pending writes. Contributed by Brandon Li 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1530835 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Brandon Li 2013-10-10 00:52:54 +00:00
parent a75794567b
commit 7429debd86
2 changed files with 5 additions and 1 deletions
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3
hadoop-hdfs-project/hadoop-hdfs-nfs/src/main/java/org/apache/hadoop/hdfs/nfs/nfs3/OpenFileCtx.java
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@ -710,7 +710,8 @@ class OpenFileCtx {
LOG.debug("Got commit status: " + ret.name()); LOG.debug("Got commit status: " + ret.name());
} }
// Do the sync outside the lock // Do the sync outside the lock
if (ret == COMMIT_STATUS.COMMIT_DO_SYNC) { if (ret == COMMIT_STATUS.COMMIT_DO_SYNC
|| ret == COMMIT_STATUS.COMMIT_FINISHED) {
try { try {
// Sync file data and length // Sync file data and length
fos.hsync(EnumSet.of(SyncFlag.UPDATE_LENGTH)); fos.hsync(EnumSet.of(SyncFlag.UPDATE_LENGTH));

3
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -361,6 +361,9 @@ Release 2.2.1 - UNRELEASED
HDFS-5281. COMMIT request should not block. (brandonli) HDFS-5281. COMMIT request should not block. (brandonli)
HDFS-5337. should do hsync for a commit request even there is no pending
writes (brandonli)
Release 2.2.0 - 2013-10-13 Release 2.2.0 - 2013-10-13
INCOMPATIBLE CHANGES INCOMPATIBLE CHANGES