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Posted to common-issues@hadoop.apache.org by "Ted Yu (JIRA)" <ji...@apache.org> on 2017/11/17 21:15:00 UTC
[jira] [Commented] (HADOOP-15051) FSDataOutputStream returned by
LocalFileSystem#createNonRecursive doesn't support hflush
[ https://issues.apache.org/jira/browse/HADOOP-15051?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16257581#comment-16257581 ]
Ted Yu commented on HADOOP-15051:
---------------------------------
[~andrew.wang]:
FYI
> FSDataOutputStream returned by LocalFileSystem#createNonRecursive doesn't support hflush
> ----------------------------------------------------------------------------------------
>
> Key: HADOOP-15051
> URL: https://issues.apache.org/jira/browse/HADOOP-15051
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 3.0.0-beta1
> Reporter: Ted Yu
>
> See HBASE-19289 for background information.
> Here is related hbase code (fs is instance of LocalFileSystem):
> {code}
> this.output = fs.createNonRecursive(path, overwritable, bufferSize, replication, blockSize,
> null);
> // TODO Be sure to add a check for hsync if this branch includes HBASE-19024
> if (!(CommonFSUtils.hasCapability(output, "hflush"))) {
> throw new StreamLacksCapabilityException("hflush");
> {code}
> StreamCapabilities is used to poll "hflush" capability.
> [~busbey] suggested fixing this in hadoop.
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