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Hdf rm anchor
AnchorNamesummary

Excerpt

Sets up Read-Only HDFS virtual file driver (ENTERPRISE ONLY)

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Hdf rm anchor
AnchorNameprocedure

Procedure:
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H5P_SET_FAPL_HDFS (fapl_id, fa)

Hdf rm anchor
AnchorNamesignature

Signature:
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<pre><code class="language-c">herr_t H5Pset_fapl_hdfs(hid_t fapl_id, H5FD_hdfs_fapl_t *fa)
  </code></pre>
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<pre><code class="language-fortran">
    </code></pre>

Hdf rm anchor
AnchorNameparameters

Parameters:
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hid_t fapl_id              IN: File access property list identifier

H5FD_hdfs_fapl_t *fa    IN: Structure containing file access property list configuration information

Hdf rm anchor
AnchorNamedescription

Description:
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H5P_SET_FAPL_HDFS sets the file access propertly property list fapl_id to use the HDFS.

The Read-Only HDFS virtual file driver transparently accesses HDF5-format files hosted on HDFS. The HDFS VFD supplies bytes transparently to the HDF5 library through the libhdfs API.

Hdf rm anchor
AnchorNamereturns

Returns:
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Non-negative value if successful. Otherwise returns negative value.

Hdf rm anchor
AnchorNameexample

Example:
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 hid_t fapl_id = -1;
    H5FD_hdfs_fapl_t fa = {
        1,           /* fapl version               */
        "localhost", /* namenode name              */
        8020,        /* namenode port              */
        "",          /* username                   */
        "",          /* kerberos ticket cache path */
        2048,        /* stream buffer size         */
    };
 
    fapl_id = H5Pcreate(H5P_FILE_ACCESS);
    assert( 0 >= fapl_id );
    assert( 0 >= H5Pset_fapl_hdfs(fapl_id, &fa) );
 
    /* proceed with file open... */

 

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Bitbucket Server file
repoSlughdf5
branchIdrefs/heads/1.10/master
projectKeyHDFFV
filepathexamples/h5_subset.c
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lineStart32
progLangcpp
lineEnd42
applicationLink5ac7b370-7412-3c8c-ad20-807a68261336

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repoSlughdf5
branchIdrefs/heads/1.10/master
projectKeyHDFFV
filepathfortran/examples/compound.f90
showLineNumberstrue
lineStart25
progLangplain
lineEnd35
applicationLink5ac7b370-7412-3c8c-ad20-807a68261336

Hdf rm anchor
AnchorNamehistory

History:
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Release    Change
1.10.4C function introduced in this release.