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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-15051) FSDataOutputStream returned by LocalFileSystem#createNonRecursive doesn't support hflush
Date Fri, 17 Nov 2017 21:12:00 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-15051?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ted Yu updated HADOOP-15051:
----------------------------
    Description: 
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.

  was:
See HBASE-19289 for background information.

[~busbey] suggested fixing this in hadoop.


> 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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