http://git-wip-us.apache.org/repos/asf/arrow-site/blob/35e0e750/docs/cpp/classarrow_1_1io_1_1_buffer_reader.html
----------------------------------------------------------------------
diff --git a/docs/cpp/classarrow_1_1io_1_1_buffer_reader.html 
b/docs/cpp/classarrow_1_1io_1_1_buffer_reader.html
index 173f2f6..bb8c056 100644
--- a/docs/cpp/classarrow_1_1io_1_1_buffer_reader.html
+++ b/docs/cpp/classarrow_1_1io_1_1_buffer_reader.html
@@ -75,7 +75,7 @@ $(function() {
 <p><a class="el" href="classarrow_1_1_random.html">Random</a> access zero-copy 
reads on an <a class="el" href="classarrow_1_1_buffer.html" title="Immutable 
API for a chunk of bytes which may or may not be owned by the class instance. 
">arrow::Buffer</a>.  
  <a href="classarrow_1_1io_1_1_buffer_reader.html#details">More...</a></p>
 
-<p><code>#include &lt;<a class="el" 
href="io_2memory_8h_source.html">memory.h</a>&gt;</code></p>
+<p><code>#include &lt;<a class="el" 
href="io_2memory_8h_source.html">arrow/io/memory.h</a>&gt;</code></p>
 <div class="dynheader">
 Inheritance diagram for arrow::io::BufferReader:</div>
 <div class="dyncontent">
@@ -98,8 +98,6 @@ Public Member Functions</h2></td></tr>
 <tr class="separator:a6b7c98bd669d614e1135162d02016281"><td 
class="memSeparator" colspan="2">&#160;</td></tr>
 <tr class="memitem:a60ba6ed110ab6abd965104531ea929f9"><td class="memItemLeft" 
align="right" valign="top">&#160;</td><td class="memItemRight" 
valign="bottom"><a class="el" 
href="classarrow_1_1io_1_1_buffer_reader.html#a60ba6ed110ab6abd965104531ea929f9">BufferReader</a>
 (const uint8_t *data, int64_t size)</td></tr>
 <tr class="separator:a60ba6ed110ab6abd965104531ea929f9"><td 
class="memSeparator" colspan="2">&#160;</td></tr>
-<tr class="memitem:a21b511f97d3e051616d9adf28f1c8970"><td class="memItemLeft" 
align="right" valign="top">virtual&#160;</td><td class="memItemRight" 
valign="bottom"><a class="el" 
href="classarrow_1_1io_1_1_buffer_reader.html#a21b511f97d3e051616d9adf28f1c8970">~BufferReader</a>
 ()</td></tr>
-<tr class="separator:a21b511f97d3e051616d9adf28f1c8970"><td 
class="memSeparator" colspan="2">&#160;</td></tr>
 <tr class="memitem:a4979dcda612cd883646044f6783d74e6"><td class="memItemLeft" 
align="right" valign="top"><a class="el" 
href="classarrow_1_1_status.html">Status</a>&#160;</td><td class="memItemRight" 
valign="bottom"><a class="el" 
href="classarrow_1_1io_1_1_buffer_reader.html#a4979dcda612cd883646044f6783d74e6">Close</a>
 () override</td></tr>
 <tr class="separator:a4979dcda612cd883646044f6783d74e6"><td 
class="memSeparator" colspan="2">&#160;</td></tr>
 <tr class="memitem:a8225cfa3469f03a0fe011cdf6031c219"><td class="memItemLeft" 
align="right" valign="top"><a class="el" 
href="classarrow_1_1_status.html">Status</a>&#160;</td><td class="memItemRight" 
valign="bottom"><a class="el" 
href="classarrow_1_1io_1_1_buffer_reader.html#a8225cfa3469f03a0fe011cdf6031c219">Tell</a>
 (int64_t *position) const override</td></tr>
@@ -108,6 +106,12 @@ Public Member Functions</h2></td></tr>
 <tr class="separator:a312a85d2790af47278583ee053f7ffd6"><td 
class="memSeparator" colspan="2">&#160;</td></tr>
 <tr class="memitem:ae180dcc10ae724a15aba292d83dddfc2"><td class="memItemLeft" 
align="right" valign="top"><a class="el" 
href="classarrow_1_1_status.html">Status</a>&#160;</td><td class="memItemRight" 
valign="bottom"><a class="el" 
href="classarrow_1_1io_1_1_buffer_reader.html#ae180dcc10ae724a15aba292d83dddfc2">Read</a>
 (int64_t nbytes, std::shared_ptr&lt; <a class="el" 
href="classarrow_1_1_buffer.html">Buffer</a> &gt; *out) override</td></tr>
 <tr class="separator:ae180dcc10ae724a15aba292d83dddfc2"><td 
class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:a4d476873c11c26388c2b0ecaf9e3dfc7"><td class="memItemLeft" 
align="right" valign="top"><a class="el" 
href="classarrow_1_1_status.html">Status</a>&#160;</td><td class="memItemRight" 
valign="bottom"><a class="el" 
href="classarrow_1_1io_1_1_buffer_reader.html#a4d476873c11c26388c2b0ecaf9e3dfc7">ReadAt</a>
 (int64_t position, int64_t nbytes, int64_t *bytes_read, uint8_t *out) 
override</td></tr>
+<tr class="memdesc:a4d476873c11c26388c2b0ecaf9e3dfc7"><td 
class="mdescLeft">&#160;</td><td class="mdescRight">Read nbytes at position, 
provide default implementations using Read(...), but can be overridden.  <a 
href="#a4d476873c11c26388c2b0ecaf9e3dfc7">More...</a><br /></td></tr>
+<tr class="separator:a4d476873c11c26388c2b0ecaf9e3dfc7"><td 
class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:a5424d9aca65b3a08697d6a04deb60fa6"><td class="memItemLeft" 
align="right" valign="top"><a class="el" 
href="classarrow_1_1_status.html">Status</a>&#160;</td><td class="memItemRight" 
valign="bottom"><a class="el" 
href="classarrow_1_1io_1_1_buffer_reader.html#a5424d9aca65b3a08697d6a04deb60fa6">ReadAt</a>
 (int64_t position, int64_t nbytes, std::shared_ptr&lt; <a class="el" 
href="classarrow_1_1_buffer.html">Buffer</a> &gt; *out) override</td></tr>
+<tr class="memdesc:a5424d9aca65b3a08697d6a04deb60fa6"><td 
class="mdescLeft">&#160;</td><td class="mdescRight">Default implementation is 
thread-safe.  <a href="#a5424d9aca65b3a08697d6a04deb60fa6">More...</a><br 
/></td></tr>
+<tr class="separator:a5424d9aca65b3a08697d6a04deb60fa6"><td 
class="memSeparator" colspan="2">&#160;</td></tr>
 <tr class="memitem:acfc0cffe65a1e1ac5a0e5c8d0118e779"><td class="memItemLeft" 
align="right" valign="top"><a class="el" 
href="classarrow_1_1_status.html">Status</a>&#160;</td><td class="memItemRight" 
valign="bottom"><a class="el" 
href="classarrow_1_1io_1_1_buffer_reader.html#acfc0cffe65a1e1ac5a0e5c8d0118e779">GetSize</a>
 (int64_t *size) override</td></tr>
 <tr class="separator:acfc0cffe65a1e1ac5a0e5c8d0118e779"><td 
class="memSeparator" colspan="2">&#160;</td></tr>
 <tr class="memitem:a6c95d49d8fba096fa1e674b2cb84ebd4"><td class="memItemLeft" 
align="right" valign="top"><a class="el" 
href="classarrow_1_1_status.html">Status</a>&#160;</td><td class="memItemRight" 
valign="bottom"><a class="el" 
href="classarrow_1_1io_1_1_buffer_reader.html#a6c95d49d8fba096fa1e674b2cb84ebd4">Seek</a>
 (int64_t position) override</td></tr>
@@ -117,14 +121,9 @@ Public Member Functions</h2></td></tr>
 <tr class="memitem:aa1491beffa2e6b2bc025e25c67886492"><td class="memItemLeft" 
align="right" valign="top">std::shared_ptr&lt; <a class="el" 
href="classarrow_1_1_buffer.html">Buffer</a> &gt;&#160;</td><td 
class="memItemRight" valign="bottom"><a class="el" 
href="classarrow_1_1io_1_1_buffer_reader.html#aa1491beffa2e6b2bc025e25c67886492">buffer</a>
 () const</td></tr>
 <tr class="separator:aa1491beffa2e6b2bc025e25c67886492"><td 
class="memSeparator" colspan="2">&#160;</td></tr>
 <tr class="inherit_header 
pub_methods_classarrow_1_1io_1_1_random_access_file"><td colspan="2" 
onclick="javascript:toggleInherit('pub_methods_classarrow_1_1io_1_1_random_access_file')"><img
 src="closed.png" alt="-"/>&#160;Public Member Functions inherited from <a 
class="el" 
href="classarrow_1_1io_1_1_random_access_file.html">arrow::io::RandomAccessFile</a></td></tr>
-<tr class="memitem:a00dbb151b3c3b63080cbce073dc277af inherit 
pub_methods_classarrow_1_1io_1_1_random_access_file"><td class="memItemLeft" 
align="right" valign="top">virtual <a class="el" 
href="classarrow_1_1_status.html">Status</a>&#160;</td><td class="memItemRight" 
valign="bottom"><a class="el" 
href="classarrow_1_1io_1_1_random_access_file.html#a00dbb151b3c3b63080cbce073dc277af">ReadAt</a>
 (int64_t position, int64_t nbytes, int64_t *bytes_read, uint8_t *out)</td></tr>
-<tr class="memdesc:a00dbb151b3c3b63080cbce073dc277af inherit 
pub_methods_classarrow_1_1io_1_1_random_access_file"><td 
class="mdescLeft">&#160;</td><td class="mdescRight">Read at position, provide 
default implementations using Read(...), but can be overridden.  <a 
href="classarrow_1_1io_1_1_random_access_file.html#a00dbb151b3c3b63080cbce073dc277af">More...</a><br
 /></td></tr>
-<tr class="separator:a00dbb151b3c3b63080cbce073dc277af inherit 
pub_methods_classarrow_1_1io_1_1_random_access_file"><td class="memSeparator" 
colspan="2">&#160;</td></tr>
-<tr class="memitem:af0601e7e1f154a615a80697f5bb3aa52 inherit 
pub_methods_classarrow_1_1io_1_1_random_access_file"><td class="memItemLeft" 
align="right" valign="top">virtual <a class="el" 
href="classarrow_1_1_status.html">Status</a>&#160;</td><td class="memItemRight" 
valign="bottom"><a class="el" 
href="classarrow_1_1io_1_1_random_access_file.html#af0601e7e1f154a615a80697f5bb3aa52">ReadAt</a>
 (int64_t position, int64_t nbytes, std::shared_ptr&lt; <a class="el" 
href="classarrow_1_1_buffer.html">Buffer</a> &gt; *out)</td></tr>
-<tr class="memdesc:af0601e7e1f154a615a80697f5bb3aa52 inherit 
pub_methods_classarrow_1_1io_1_1_random_access_file"><td 
class="mdescLeft">&#160;</td><td class="mdescRight">Default implementation is 
thread-safe.  <a 
href="classarrow_1_1io_1_1_random_access_file.html#af0601e7e1f154a615a80697f5bb3aa52">More...</a><br
 /></td></tr>
-<tr class="separator:af0601e7e1f154a615a80697f5bb3aa52 inherit 
pub_methods_classarrow_1_1io_1_1_random_access_file"><td class="memSeparator" 
colspan="2">&#160;</td></tr>
-<tr class="memitem:a2c52831f6121cc1a751f1573e58c6bf9 inherit 
pub_methods_classarrow_1_1io_1_1_random_access_file"><td class="memItemLeft" 
align="right" valign="top">std::mutex &amp;&#160;</td><td class="memItemRight" 
valign="bottom"><a class="el" 
href="classarrow_1_1io_1_1_random_access_file.html#a2c52831f6121cc1a751f1573e58c6bf9">lock</a>
 ()</td></tr>
-<tr class="separator:a2c52831f6121cc1a751f1573e58c6bf9 inherit 
pub_methods_classarrow_1_1io_1_1_random_access_file"><td class="memSeparator" 
colspan="2">&#160;</td></tr>
+<tr class="memitem:a30c6917dfe0b6e508dac2ecc81917187 inherit 
pub_methods_classarrow_1_1io_1_1_random_access_file"><td class="memItemLeft" 
align="right" valign="top">&#160;</td><td class="memItemRight" 
valign="bottom"><a class="el" 
href="classarrow_1_1io_1_1_random_access_file.html#a30c6917dfe0b6e508dac2ecc81917187">~RandomAccessFile</a>
 () override</td></tr>
+<tr class="memdesc:a30c6917dfe0b6e508dac2ecc81917187 inherit 
pub_methods_classarrow_1_1io_1_1_random_access_file"><td 
class="mdescLeft">&#160;</td><td class="mdescRight">Necessary because we hold a 
std::unique_ptr.  <a 
href="classarrow_1_1io_1_1_random_access_file.html#a30c6917dfe0b6e508dac2ecc81917187">More...</a><br
 /></td></tr>
+<tr class="separator:a30c6917dfe0b6e508dac2ecc81917187 inherit 
pub_methods_classarrow_1_1io_1_1_random_access_file"><td class="memSeparator" 
colspan="2">&#160;</td></tr>
 <tr class="inherit_header pub_methods_classarrow_1_1io_1_1_file_interface"><td 
colspan="2" 
onclick="javascript:toggleInherit('pub_methods_classarrow_1_1io_1_1_file_interface')"><img
 src="closed.png" alt="-"/>&#160;Public Member Functions inherited from <a 
class="el" 
href="classarrow_1_1io_1_1_file_interface.html">arrow::io::FileInterface</a></td></tr>
 <tr class="memitem:aa42dcdfad00634f01192b39f1d9b4929 inherit 
pub_methods_classarrow_1_1io_1_1_file_interface"><td class="memItemLeft" 
align="right" valign="top">virtual&#160;</td><td class="memItemRight" 
valign="bottom"><a class="el" 
href="classarrow_1_1io_1_1_file_interface.html#aa42dcdfad00634f01192b39f1d9b4929">~FileInterface</a>
 ()=0</td></tr>
 <tr class="separator:aa42dcdfad00634f01192b39f1d9b4929 inherit 
pub_methods_classarrow_1_1io_1_1_file_interface"><td class="memSeparator" 
colspan="2">&#160;</td></tr>
@@ -147,9 +146,6 @@ Protected Attributes</h2></td></tr>
 <tr class="separator:a3f1655cf6afa7e0799f6c6914fe570e6"><td 
class="memSeparator" colspan="2">&#160;</td></tr>
 <tr class="memitem:a38c69e817deb97bbaf521824f46e2961"><td class="memItemLeft" 
align="right" valign="top">int64_t&#160;</td><td class="memItemRight" 
valign="bottom"><a class="el" 
href="classarrow_1_1io_1_1_buffer_reader.html#a38c69e817deb97bbaf521824f46e2961">position_</a></td></tr>
 <tr class="separator:a38c69e817deb97bbaf521824f46e2961"><td 
class="memSeparator" colspan="2">&#160;</td></tr>
-<tr class="inherit_header 
pro_attribs_classarrow_1_1io_1_1_random_access_file"><td colspan="2" 
onclick="javascript:toggleInherit('pro_attribs_classarrow_1_1io_1_1_random_access_file')"><img
 src="closed.png" alt="-"/>&#160;Protected Attributes inherited from <a 
class="el" 
href="classarrow_1_1io_1_1_random_access_file.html">arrow::io::RandomAccessFile</a></td></tr>
-<tr class="memitem:a69bbf2b55f82c780ab8f75559ac57fed inherit 
pro_attribs_classarrow_1_1io_1_1_random_access_file"><td class="memItemLeft" 
align="right" valign="top">std::mutex&#160;</td><td class="memItemRight" 
valign="bottom"><a class="el" 
href="classarrow_1_1io_1_1_random_access_file.html#a69bbf2b55f82c780ab8f75559ac57fed">lock_</a></td></tr>
-<tr class="separator:a69bbf2b55f82c780ab8f75559ac57fed inherit 
pro_attribs_classarrow_1_1io_1_1_random_access_file"><td class="memSeparator" 
colspan="2">&#160;</td></tr>
 <tr class="inherit_header pro_attribs_classarrow_1_1io_1_1_file_interface"><td 
colspan="2" 
onclick="javascript:toggleInherit('pro_attribs_classarrow_1_1io_1_1_file_interface')"><img
 src="closed.png" alt="-"/>&#160;Protected Attributes inherited from <a 
class="el" 
href="classarrow_1_1io_1_1_file_interface.html">arrow::io::FileInterface</a></td></tr>
 <tr class="memitem:a504d0410eb6066316365a4549d000ee0 inherit 
pro_attribs_classarrow_1_1io_1_1_file_interface"><td class="memItemLeft" 
align="right" valign="top"><a class="el" 
href="structarrow_1_1io_1_1_file_mode.html#a41b6fb9caec96f1e634fb8052c9a9310">FileMode::type</a>&#160;</td><td
 class="memItemRight" valign="bottom"><a class="el" 
href="classarrow_1_1io_1_1_file_interface.html#a504d0410eb6066316365a4549d000ee0">mode_</a></td></tr>
 <tr class="separator:a504d0410eb6066316365a4549d000ee0 inherit 
pro_attribs_classarrow_1_1io_1_1_file_interface"><td class="memSeparator" 
colspan="2">&#160;</td></tr>
@@ -160,8 +156,8 @@ Additional Inherited Members</h2></td></tr>
 <tr class="memitem:a32c1cb28aa86db601b68a96615a3161c inherit 
pro_methods_classarrow_1_1io_1_1_random_access_file"><td class="memItemLeft" 
align="right" valign="top">&#160;</td><td class="memItemRight" 
valign="bottom"><a class="el" 
href="classarrow_1_1io_1_1_random_access_file.html#a32c1cb28aa86db601b68a96615a3161c">RandomAccessFile</a>
 ()</td></tr>
 <tr class="separator:a32c1cb28aa86db601b68a96615a3161c inherit 
pro_methods_classarrow_1_1io_1_1_random_access_file"><td class="memSeparator" 
colspan="2">&#160;</td></tr>
 <tr class="inherit_header pro_methods_classarrow_1_1io_1_1_input_stream"><td 
colspan="2" 
onclick="javascript:toggleInherit('pro_methods_classarrow_1_1io_1_1_input_stream')"><img
 src="closed.png" alt="-"/>&#160;Protected Member Functions inherited from <a 
class="el" 
href="classarrow_1_1io_1_1_input_stream.html">arrow::io::InputStream</a></td></tr>
-<tr class="memitem:aa7d3c448d324b0975577776d833133a4 inherit 
pro_methods_classarrow_1_1io_1_1_input_stream"><td class="memItemLeft" 
align="right" valign="top">&#160;</td><td class="memItemRight" 
valign="bottom"><a class="el" 
href="classarrow_1_1io_1_1_input_stream.html#aa7d3c448d324b0975577776d833133a4">InputStream</a>
 ()</td></tr>
-<tr class="separator:aa7d3c448d324b0975577776d833133a4 inherit 
pro_methods_classarrow_1_1io_1_1_input_stream"><td class="memSeparator" 
colspan="2">&#160;</td></tr>
+<tr class="memitem:aeb778572d0e9bf4902dbfbbc5353d7fd inherit 
pro_methods_classarrow_1_1io_1_1_input_stream"><td class="memItemLeft" 
align="right" valign="top">&#160;</td><td class="memItemRight" 
valign="bottom"><a class="el" 
href="classarrow_1_1io_1_1_input_stream.html#aeb778572d0e9bf4902dbfbbc5353d7fd">InputStream</a>
 ()=default</td></tr>
+<tr class="separator:aeb778572d0e9bf4902dbfbbc5353d7fd inherit 
pro_methods_classarrow_1_1io_1_1_input_stream"><td class="memSeparator" 
colspan="2">&#160;</td></tr>
 <tr class="inherit_header pro_methods_classarrow_1_1io_1_1_file_interface"><td 
colspan="2" 
onclick="javascript:toggleInherit('pro_methods_classarrow_1_1io_1_1_file_interface')"><img
 src="closed.png" alt="-"/>&#160;Protected Member Functions inherited from <a 
class="el" 
href="classarrow_1_1io_1_1_file_interface.html">arrow::io::FileInterface</a></td></tr>
 <tr class="memitem:afea9126bb21e3720212a826aa78b5534 inherit 
pro_methods_classarrow_1_1io_1_1_file_interface"><td class="memItemLeft" 
align="right" valign="top">&#160;</td><td class="memItemRight" 
valign="bottom"><a class="el" 
href="classarrow_1_1io_1_1_file_interface.html#afea9126bb21e3720212a826aa78b5534">FileInterface</a>
 ()</td></tr>
 <tr class="separator:afea9126bb21e3720212a826aa78b5534 inherit 
pro_methods_classarrow_1_1io_1_1_file_interface"><td class="memSeparator" 
colspan="2">&#160;</td></tr>
@@ -225,31 +221,6 @@ Additional Inherited Members</h2></td></tr>
 
 </div>
 </div>
-<a id="a21b511f97d3e051616d9adf28f1c8970"></a>
-<h2 class="memtitle"><span class="permalink"><a 
href="#a21b511f97d3e051616d9adf28f1c8970">&#9670;&nbsp;</a></span>~BufferReader()</h2>
-
-<div class="memitem">
-<div class="memproto">
-<table class="mlabels">
-  <tr>
-  <td class="mlabels-left">
-      <table class="memname">
-        <tr>
-          <td class="memname">virtual arrow::io::BufferReader::~BufferReader 
</td>
-          <td>(</td>
-          <td class="paramname"></td><td>)</td>
-          <td></td>
-        </tr>
-      </table>
-  </td>
-  <td class="mlabels-right">
-<span class="mlabels"><span class="mlabel">virtual</span></span>  </td>
-  </tr>
-</table>
-</div><div class="memdoc">
-
-</div>
-</div>
 <h2 class="groupheader">Member Function Documentation</h2>
 <a id="aa1491beffa2e6b2bc025e25c67886492"></a>
 <h2 class="memtitle"><span class="permalink"><a 
href="#aa1491beffa2e6b2bc025e25c67886492">&#9670;&nbsp;</a></span>buffer()</h2>
@@ -413,6 +384,116 @@ Additional Inherited Members</h2></td></tr>
 
 </div>
 </div>
+<a id="a4d476873c11c26388c2b0ecaf9e3dfc7"></a>
+<h2 class="memtitle"><span class="permalink"><a 
href="#a4d476873c11c26388c2b0ecaf9e3dfc7">&#9670;&nbsp;</a></span>ReadAt() 
<span class="overload">[1/2]</span></h2>
+
+<div class="memitem">
+<div class="memproto">
+<table class="mlabels">
+  <tr>
+  <td class="mlabels-left">
+      <table class="memname">
+        <tr>
+          <td class="memname"><a class="el" 
href="classarrow_1_1_status.html">Status</a> arrow::io::BufferReader::ReadAt 
</td>
+          <td>(</td>
+          <td class="paramtype">int64_t&#160;</td>
+          <td class="paramname"><em>position</em>, </td>
+        </tr>
+        <tr>
+          <td class="paramkey"></td>
+          <td></td>
+          <td class="paramtype">int64_t&#160;</td>
+          <td class="paramname"><em>nbytes</em>, </td>
+        </tr>
+        <tr>
+          <td class="paramkey"></td>
+          <td></td>
+          <td class="paramtype">int64_t *&#160;</td>
+          <td class="paramname"><em>bytes_read</em>, </td>
+        </tr>
+        <tr>
+          <td class="paramkey"></td>
+          <td></td>
+          <td class="paramtype">uint8_t *&#160;</td>
+          <td class="paramname"><em>out</em>&#160;</td>
+        </tr>
+        <tr>
+          <td></td>
+          <td>)</td>
+          <td></td><td></td>
+        </tr>
+      </table>
+  </td>
+  <td class="mlabels-right">
+<span class="mlabels"><span class="mlabel">override</span><span 
class="mlabel">virtual</span></span>  </td>
+  </tr>
+</table>
+</div><div class="memdoc">
+
+<p>Read nbytes at position, provide default implementations using Read(...), 
but can be overridden. </p>
+<p>Default implementation is thread-safe.</p>
+<dl class="section note"><dt>Note</dt><dd>Child classes must explicitly call 
this implementation or provide their own.</dd></dl>
+<dl class="params"><dt>Parameters</dt><dd>
+  <table class="params">
+    <tr><td class="paramdir">[in]</td><td 
class="paramname">position</td><td>Where to read bytes from </td></tr>
+    <tr><td class="paramdir">[in]</td><td class="paramname">nbytes</td><td>The 
number of bytes to read </td></tr>
+    <tr><td class="paramdir">[out]</td><td 
class="paramname">bytes_read</td><td>The number of bytes read </td></tr>
+    <tr><td class="paramdir">[out]</td><td class="paramname">out</td><td>The 
buffer to read bytes into </td></tr>
+  </table>
+  </dd>
+</dl>
+<dl class="section return"><dt>Returns</dt><dd><a class="el" 
href="classarrow_1_1_status.html">Status</a> </dd></dl>
+
+<p>Implements <a class="el" 
href="classarrow_1_1io_1_1_random_access_file.html#a287cb25eadcb1708b020d36bfc65c38b">arrow::io::RandomAccessFile</a>.</p>
+
+</div>
+</div>
+<a id="a5424d9aca65b3a08697d6a04deb60fa6"></a>
+<h2 class="memtitle"><span class="permalink"><a 
href="#a5424d9aca65b3a08697d6a04deb60fa6">&#9670;&nbsp;</a></span>ReadAt() 
<span class="overload">[2/2]</span></h2>
+
+<div class="memitem">
+<div class="memproto">
+<table class="mlabels">
+  <tr>
+  <td class="mlabels-left">
+      <table class="memname">
+        <tr>
+          <td class="memname"><a class="el" 
href="classarrow_1_1_status.html">Status</a> arrow::io::BufferReader::ReadAt 
</td>
+          <td>(</td>
+          <td class="paramtype">int64_t&#160;</td>
+          <td class="paramname"><em>position</em>, </td>
+        </tr>
+        <tr>
+          <td class="paramkey"></td>
+          <td></td>
+          <td class="paramtype">int64_t&#160;</td>
+          <td class="paramname"><em>nbytes</em>, </td>
+        </tr>
+        <tr>
+          <td class="paramkey"></td>
+          <td></td>
+          <td class="paramtype">std::shared_ptr&lt; <a class="el" 
href="classarrow_1_1_buffer.html">Buffer</a> &gt; *&#160;</td>
+          <td class="paramname"><em>out</em>&#160;</td>
+        </tr>
+        <tr>
+          <td></td>
+          <td>)</td>
+          <td></td><td></td>
+        </tr>
+      </table>
+  </td>
+  <td class="mlabels-right">
+<span class="mlabels"><span class="mlabel">override</span><span 
class="mlabel">virtual</span></span>  </td>
+  </tr>
+</table>
+</div><div class="memdoc">
+
+<p>Default implementation is thread-safe. </p>
+
+<p>Implements <a class="el" 
href="classarrow_1_1io_1_1_random_access_file.html#ab31b267019a84af465ef91aaafd3a72e">arrow::io::RandomAccessFile</a>.</p>
+
+</div>
+</div>
 <a id="a6c95d49d8fba096fa1e674b2cb84ebd4"></a>
 <h2 class="memtitle"><span class="permalink"><a 
href="#a6c95d49d8fba096fa1e674b2cb84ebd4">&#9670;&nbsp;</a></span>Seek()</h2>
 

http://git-wip-us.apache.org/repos/asf/arrow-site/blob/35e0e750/docs/cpp/classarrow_1_1io_1_1_file_interface.html
----------------------------------------------------------------------
diff --git a/docs/cpp/classarrow_1_1io_1_1_file_interface.html 
b/docs/cpp/classarrow_1_1io_1_1_file_interface.html
index 144d900..c874e2b 100644
--- a/docs/cpp/classarrow_1_1io_1_1_file_interface.html
+++ b/docs/cpp/classarrow_1_1io_1_1_file_interface.html
@@ -73,7 +73,7 @@ $(function() {
 </div><!--header-->
 <div class="contents">
 
-<p><code>#include &lt;<a class="el" 
href="interfaces_8h_source.html">interfaces.h</a>&gt;</code></p>
+<p><code>#include &lt;<a class="el" 
href="interfaces_8h_source.html">arrow/io/interfaces.h</a>&gt;</code></p>
 <div class="dynheader">
 Inheritance diagram for arrow::io::FileInterface:</div>
 <div class="dyncontent">
@@ -192,7 +192,7 @@ Protected Attributes</h2></td></tr>
 </table>
 </div><div class="memdoc">
 
-<p>Implemented in <a class="el" 
href="classarrow_1_1io_1_1_hdfs_output_stream.html#a0f4189d235a68cbc528b6aa6e8a64c3b">arrow::io::HdfsOutputStream</a>,
 <a class="el" 
href="classarrow_1_1io_1_1_hdfs_readable_file.html#ac2f3703a94d75d3380598edf922860b0">arrow::io::HdfsReadableFile</a>,
 <a class="el" 
href="classarrow_1_1gpu_1_1_cuda_buffer_writer.html#a9e6cc168d932165a0c250a41c6ecd78d">arrow::gpu::CudaBufferWriter</a>,
 <a class="el" 
href="classarrow_1_1io_1_1_memory_mapped_file.html#a344ef060df35e0aad557946193119a05">arrow::io::MemoryMappedFile</a>,
 <a class="el" 
href="classarrow_1_1io_1_1_buffer_reader.html#a4979dcda612cd883646044f6783d74e6">arrow::io::BufferReader</a>,
 <a class="el" 
href="classarrow_1_1io_1_1_readable_file.html#af0ddd33bbf494bce741c778241609b1f">arrow::io::ReadableFile</a>,
 <a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html#a23897d9eb4988d489f7e8a444211a54f">arrow::io::FixedSizeBufferWriter</a>,
 <a class="el" href="classarrow_1_1py_1_1_py_output_st
 ream.html#a1e4de0c67f40ca3442953e307cc44681">arrow::py::PyOutputStream</a>, <a 
class="el" 
href="classarrow_1_1io_1_1_mock_output_stream.html#ace3c697a51836d1d9ac31cda18089843">arrow::io::MockOutputStream</a>,
 <a class="el" 
href="classarrow_1_1io_1_1_stdin_stream.html#a98c95b8908eab01a28881d9bfd28ee87">arrow::io::StdinStream</a>,
 <a class="el" 
href="classarrow_1_1io_1_1_file_output_stream.html#a4fdfa45d3271c43096508d09c30e08c2">arrow::io::FileOutputStream</a>,
 <a class="el" 
href="classarrow_1_1py_1_1_py_readable_file.html#a1bc9d2f12f123213a134c29f3e0941a8">arrow::py::PyReadableFile</a>,
 <a class="el" 
href="classarrow_1_1io_1_1_buffer_output_stream.html#aae54be3eb7dcb37dabe7618623c52e94">arrow::io::BufferOutputStream</a>,
 and <a class="el" 
href="classarrow_1_1io_1_1_stdout_stream.html#af3227ce5089e9f311e9be63cd8dece9f">arrow::io::StdoutStream</a>.</p>
+<p>Implemented in <a class="el" 
href="classarrow_1_1io_1_1_hdfs_output_stream.html#a0f4189d235a68cbc528b6aa6e8a64c3b">arrow::io::HdfsOutputStream</a>,
 <a class="el" 
href="classarrow_1_1io_1_1_hdfs_readable_file.html#ac2f3703a94d75d3380598edf922860b0">arrow::io::HdfsReadableFile</a>,
 <a class="el" 
href="classarrow_1_1gpu_1_1_cuda_buffer_writer.html#a9e6cc168d932165a0c250a41c6ecd78d">arrow::gpu::CudaBufferWriter</a>,
 <a class="el" 
href="classarrow_1_1io_1_1_memory_mapped_file.html#a344ef060df35e0aad557946193119a05">arrow::io::MemoryMappedFile</a>,
 <a class="el" 
href="classarrow_1_1io_1_1_buffer_reader.html#a4979dcda612cd883646044f6783d74e6">arrow::io::BufferReader</a>,
 <a class="el" 
href="classarrow_1_1io_1_1_readable_file.html#af0ddd33bbf494bce741c778241609b1f">arrow::io::ReadableFile</a>,
 <a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html#a23897d9eb4988d489f7e8a444211a54f">arrow::io::FixedSizeBufferWriter</a>,
 <a class="el" href="classarrow_1_1io_1_1_mock_output_
 
stream.html#ace3c697a51836d1d9ac31cda18089843">arrow::io::MockOutputStream</a>, 
<a class="el" 
href="classarrow_1_1py_1_1_py_output_stream.html#a1e4de0c67f40ca3442953e307cc44681">arrow::py::PyOutputStream</a>,
 <a class="el" 
href="classarrow_1_1io_1_1_stdin_stream.html#a98c95b8908eab01a28881d9bfd28ee87">arrow::io::StdinStream</a>,
 <a class="el" 
href="classarrow_1_1io_1_1_file_output_stream.html#a4fdfa45d3271c43096508d09c30e08c2">arrow::io::FileOutputStream</a>,
 <a class="el" 
href="classarrow_1_1io_1_1_buffer_output_stream.html#aae54be3eb7dcb37dabe7618623c52e94">arrow::io::BufferOutputStream</a>,
 <a class="el" 
href="classarrow_1_1py_1_1_py_readable_file.html#a1bc9d2f12f123213a134c29f3e0941a8">arrow::py::PyReadableFile</a>,
 and <a class="el" 
href="classarrow_1_1io_1_1_stdout_stream.html#af3227ce5089e9f311e9be63cd8dece9f">arrow::io::StdoutStream</a>.</p>
 
 </div>
 </div>
@@ -271,7 +271,7 @@ Protected Attributes</h2></td></tr>
 </table>
 </div><div class="memdoc">
 
-<p>Implemented in <a class="el" 
href="classarrow_1_1io_1_1_hdfs_output_stream.html#a9c8258de93fe15b8aeaa82a65725cba3">arrow::io::HdfsOutputStream</a>,
 <a class="el" 
href="classarrow_1_1io_1_1_hdfs_readable_file.html#acb306a424c31f65bca068063f9226ea6">arrow::io::HdfsReadableFile</a>,
 <a class="el" 
href="classarrow_1_1io_1_1_memory_mapped_file.html#a3aaa460358f5395d045a8104a7bf17ed">arrow::io::MemoryMappedFile</a>,
 <a class="el" 
href="classarrow_1_1io_1_1_buffer_reader.html#a8225cfa3469f03a0fe011cdf6031c219">arrow::io::BufferReader</a>,
 <a class="el" 
href="classarrow_1_1io_1_1_readable_file.html#a33911d90951a8c4c423e994722d0fbbe">arrow::io::ReadableFile</a>,
 <a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html#a795fb57a01735eccd1c555605d90ea49">arrow::io::FixedSizeBufferWriter</a>,
 <a class="el" 
href="classarrow_1_1py_1_1_py_output_stream.html#aa7ef9df9403abc8481e99d6f87f608ab">arrow::py::PyOutputStream</a>,
 <a class="el" href="classarrow_1_1io_1_1_mock_output_stream
 .html#a6f70c0edc87656f2c2cc640744211ec4">arrow::io::MockOutputStream</a>, <a 
class="el" 
href="classarrow_1_1py_1_1_py_readable_file.html#a48c7681829b35b9fe1f673a9b0b6ff18">arrow::py::PyReadableFile</a>,
 <a class="el" 
href="classarrow_1_1io_1_1_stdin_stream.html#a3b2bf28b0fefb20dae176f8cd871bfbb">arrow::io::StdinStream</a>,
 <a class="el" 
href="classarrow_1_1io_1_1_file_output_stream.html#a6347200f3aa04b69d7d0f7e743677532">arrow::io::FileOutputStream</a>,
 <a class="el" 
href="classarrow_1_1io_1_1_buffer_output_stream.html#a1b270a4e337b40bcc68e77edc6d93ca7">arrow::io::BufferOutputStream</a>,
 and <a class="el" 
href="classarrow_1_1io_1_1_stdout_stream.html#ac6c17ba8bfef28c14b29f8321cc72939">arrow::io::StdoutStream</a>.</p>
+<p>Implemented in <a class="el" 
href="classarrow_1_1io_1_1_hdfs_output_stream.html#a9c8258de93fe15b8aeaa82a65725cba3">arrow::io::HdfsOutputStream</a>,
 <a class="el" 
href="classarrow_1_1io_1_1_hdfs_readable_file.html#acb306a424c31f65bca068063f9226ea6">arrow::io::HdfsReadableFile</a>,
 <a class="el" 
href="classarrow_1_1gpu_1_1_cuda_buffer_writer.html#a54f461cfc7a2695671be9d2065b40370">arrow::gpu::CudaBufferWriter</a>,
 <a class="el" 
href="classarrow_1_1io_1_1_memory_mapped_file.html#a3aaa460358f5395d045a8104a7bf17ed">arrow::io::MemoryMappedFile</a>,
 <a class="el" 
href="classarrow_1_1io_1_1_buffer_reader.html#a8225cfa3469f03a0fe011cdf6031c219">arrow::io::BufferReader</a>,
 <a class="el" 
href="classarrow_1_1io_1_1_readable_file.html#a33911d90951a8c4c423e994722d0fbbe">arrow::io::ReadableFile</a>,
 <a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html#a795fb57a01735eccd1c555605d90ea49">arrow::io::FixedSizeBufferWriter</a>,
 <a class="el" href="classarrow_1_1io_1_1_mock_output_
 
stream.html#a6f70c0edc87656f2c2cc640744211ec4">arrow::io::MockOutputStream</a>, 
<a class="el" 
href="classarrow_1_1py_1_1_py_output_stream.html#aa7ef9df9403abc8481e99d6f87f608ab">arrow::py::PyOutputStream</a>,
 <a class="el" 
href="classarrow_1_1io_1_1_stdin_stream.html#a3b2bf28b0fefb20dae176f8cd871bfbb">arrow::io::StdinStream</a>,
 <a class="el" 
href="classarrow_1_1io_1_1_file_output_stream.html#a6347200f3aa04b69d7d0f7e743677532">arrow::io::FileOutputStream</a>,
 <a class="el" 
href="classarrow_1_1py_1_1_py_readable_file.html#a48c7681829b35b9fe1f673a9b0b6ff18">arrow::py::PyReadableFile</a>,
 <a class="el" 
href="classarrow_1_1io_1_1_buffer_output_stream.html#a1b270a4e337b40bcc68e77edc6d93ca7">arrow::io::BufferOutputStream</a>,
 and <a class="el" 
href="classarrow_1_1io_1_1_stdout_stream.html#ac6c17ba8bfef28c14b29f8321cc72939">arrow::io::StdoutStream</a>.</p>
 
 </div>
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http://git-wip-us.apache.org/repos/asf/arrow-site/blob/35e0e750/docs/cpp/classarrow_1_1io_1_1_file_output_stream-members.html
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diff --git a/docs/cpp/classarrow_1_1io_1_1_file_output_stream-members.html 
b/docs/cpp/classarrow_1_1io_1_1_file_output_stream-members.html
index 1d114d3..fb80b76 100644
--- a/docs/cpp/classarrow_1_1io_1_1_file_output_stream-members.html
+++ b/docs/cpp/classarrow_1_1io_1_1_file_output_stream-members.html
@@ -78,7 +78,7 @@ $(function() {
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href="classarrow_1_1io_1_1_file_interface.html">arrow::io::FileInterface</a></td><td
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   <tr class="even"><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_file_output_stream.html#a5fdc1bbc0a22e680546e40df21b80f65">Open</a>(const
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*file)</td><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_file_output_stream.html">arrow::io::FileOutputStream</a></td><td
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   <tr><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_file_output_stream.html#ad0a2470a6085b6ce4c0ab73366fdd631">Open</a>(const
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*file)</td><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_file_output_stream.html">arrow::io::FileOutputStream</a></td><td
 class="entry"><span class="mlabel">static</span></td></tr>
-  <tr class="even"><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_output_stream.html#a75ceada7c785d78fbb2a81d2ce6b6e93">OutputStream</a>()</td><td
 class="entry"><a class="el" 
href="classarrow_1_1io_1_1_output_stream.html">arrow::io::OutputStream</a></td><td
 class="entry"><span class="mlabel">inline</span><span 
class="mlabel">protected</span></td></tr>
+  <tr class="even"><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_output_stream.html#a5b1e0adea7ef92368ddc07027995aca1">OutputStream</a>()=default</td><td
 class="entry"><a class="el" 
href="classarrow_1_1io_1_1_output_stream.html">arrow::io::OutputStream</a></td><td
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   <tr><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_file_interface.html#af3dd01a780076e39a34770beb513f71f">set_mode</a>(FileMode::type
 mode)</td><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_file_interface.html">arrow::io::FileInterface</a></td><td
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class="mlabel">protected</span></td></tr>
   <tr class="even"><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_file_output_stream.html#a6347200f3aa04b69d7d0f7e743677532">Tell</a>(int64_t
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href="classarrow_1_1io_1_1_file_output_stream.html">arrow::io::FileOutputStream</a></td><td
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href="classarrow_1_1io_1_1_file_output_stream.html#a5c8e0547caa65535457e1a204fa4186b">Write</a>(const
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href="classarrow_1_1io_1_1_file_output_stream.html">arrow::io::FileOutputStream</a></td><td
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http://git-wip-us.apache.org/repos/asf/arrow-site/blob/35e0e750/docs/cpp/classarrow_1_1io_1_1_file_output_stream.html
----------------------------------------------------------------------
diff --git a/docs/cpp/classarrow_1_1io_1_1_file_output_stream.html 
b/docs/cpp/classarrow_1_1io_1_1_file_output_stream.html
index cf71eef..db7241e 100644
--- a/docs/cpp/classarrow_1_1io_1_1_file_output_stream.html
+++ b/docs/cpp/classarrow_1_1io_1_1_file_output_stream.html
@@ -72,7 +72,7 @@ $(function() {
 </div><!--header-->
 <div class="contents">
 
-<p><code>#include &lt;<a class="el" 
href="file_8h_source.html">file.h</a>&gt;</code></p>
+<p><code>#include &lt;<a class="el" 
href="file_8h_source.html">arrow/io/file.h</a>&gt;</code></p>
 <div class="dynheader">
 Inheritance diagram for arrow::io::FileOutputStream:</div>
 <div class="dyncontent">
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onclick="javascript:toggleInherit('pro_methods_classarrow_1_1io_1_1_output_stream')"><img
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class="el" 
href="classarrow_1_1io_1_1_output_stream.html">arrow::io::OutputStream</a></td></tr>
-<tr class="memitem:a75ceada7c785d78fbb2a81d2ce6b6e93 inherit 
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align="right" valign="top">&#160;</td><td class="memItemRight" 
valign="bottom"><a class="el" 
href="classarrow_1_1io_1_1_output_stream.html#a75ceada7c785d78fbb2a81d2ce6b6e93">OutputStream</a>
 ()</td></tr>
-<tr class="separator:a75ceada7c785d78fbb2a81d2ce6b6e93 inherit 
pro_methods_classarrow_1_1io_1_1_output_stream"><td class="memSeparator" 
colspan="2">&#160;</td></tr>
+<tr class="memitem:a5b1e0adea7ef92368ddc07027995aca1 inherit 
pro_methods_classarrow_1_1io_1_1_output_stream"><td class="memItemLeft" 
align="right" valign="top">&#160;</td><td class="memItemRight" 
valign="bottom"><a class="el" 
href="classarrow_1_1io_1_1_output_stream.html#a5b1e0adea7ef92368ddc07027995aca1">OutputStream</a>
 ()=default</td></tr>
+<tr class="separator:a5b1e0adea7ef92368ddc07027995aca1 inherit 
pro_methods_classarrow_1_1io_1_1_output_stream"><td class="memSeparator" 
colspan="2">&#160;</td></tr>
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colspan="2" 
onclick="javascript:toggleInherit('pro_methods_classarrow_1_1io_1_1_file_interface')"><img
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class="el" 
href="classarrow_1_1io_1_1_file_interface.html">arrow::io::FileInterface</a></td></tr>
 <tr class="memitem:afea9126bb21e3720212a826aa78b5534 inherit 
pro_methods_classarrow_1_1io_1_1_file_interface"><td class="memItemLeft" 
align="right" valign="top">&#160;</td><td class="memItemRight" 
valign="bottom"><a class="el" 
href="classarrow_1_1io_1_1_file_interface.html#afea9126bb21e3720212a826aa78b5534">FileInterface</a>
 ()</td></tr>
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pro_methods_classarrow_1_1io_1_1_file_interface"><td class="memSeparator" 
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http://git-wip-us.apache.org/repos/asf/arrow-site/blob/35e0e750/docs/cpp/classarrow_1_1io_1_1_file_system-members.html
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diff --git a/docs/cpp/classarrow_1_1io_1_1_file_system-members.html 
b/docs/cpp/classarrow_1_1io_1_1_file_system-members.html
index 071b5fd..e44c8cc 100644
--- a/docs/cpp/classarrow_1_1io_1_1_file_system-members.html
+++ b/docs/cpp/classarrow_1_1io_1_1_file_system-members.html
@@ -75,7 +75,7 @@ $(function() {
   <tr class="even"><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_file_system.html#a7e8e6633ff7145b38cca49311a6e17ee">MakeDirectory</a>(const
 std::string &amp;path)=0</td><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_file_system.html">arrow::io::FileSystem</a></td><td 
class="entry"><span class="mlabel">pure virtual</span></td></tr>
   <tr><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_file_system.html#aef493836d5abbc3a14572f4b62b14ad0">Rename</a>(const
 std::string &amp;src, const std::string &amp;dst)=0</td><td class="entry"><a 
class="el" 
href="classarrow_1_1io_1_1_file_system.html">arrow::io::FileSystem</a></td><td 
class="entry"><span class="mlabel">pure virtual</span></td></tr>
   <tr class="even"><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_file_system.html#a46da344aa3993caca4273ecfc120e68b">Stat</a>(const
 std::string &amp;path, FileStatistics *stat)=0</td><td class="entry"><a 
class="el" 
href="classarrow_1_1io_1_1_file_system.html">arrow::io::FileSystem</a></td><td 
class="entry"><span class="mlabel">pure virtual</span></td></tr>
-  <tr><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_file_system.html#ab6e667a6180c58207658d9c84db2cc8d">~FileSystem</a>()</td><td
 class="entry"><a class="el" 
href="classarrow_1_1io_1_1_file_system.html">arrow::io::FileSystem</a></td><td 
class="entry"><span class="mlabel">inline</span><span 
class="mlabel">virtual</span></td></tr>
+  <tr><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_file_system.html#a4e2408c5a7d438d9ccc7284e73762336">~FileSystem</a>()=default</td><td
 class="entry"><a class="el" 
href="classarrow_1_1io_1_1_file_system.html">arrow::io::FileSystem</a></td><td 
class="entry"><span class="mlabel">virtual</span></td></tr>
 </table></div><!-- contents -->
 <!-- start footer part -->
 <hr class="footer"/><address class="footer"><small>

http://git-wip-us.apache.org/repos/asf/arrow-site/blob/35e0e750/docs/cpp/classarrow_1_1io_1_1_file_system.html
----------------------------------------------------------------------
diff --git a/docs/cpp/classarrow_1_1io_1_1_file_system.html 
b/docs/cpp/classarrow_1_1io_1_1_file_system.html
index 795b204..f6da512 100644
--- a/docs/cpp/classarrow_1_1io_1_1_file_system.html
+++ b/docs/cpp/classarrow_1_1io_1_1_file_system.html
@@ -71,7 +71,7 @@ $(function() {
 </div><!--header-->
 <div class="contents">
 
-<p><code>#include &lt;<a class="el" 
href="interfaces_8h_source.html">interfaces.h</a>&gt;</code></p>
+<p><code>#include &lt;<a class="el" 
href="interfaces_8h_source.html">arrow/io/interfaces.h</a>&gt;</code></p>
 <div class="dynheader">
 Inheritance diagram for arrow::io::FileSystem:</div>
 <div class="dyncontent">
@@ -84,8 +84,8 @@ Inheritance diagram for arrow::io::FileSystem:</div>
 <table class="memberdecls">
 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a 
name="pub-methods"></a>
 Public Member Functions</h2></td></tr>
-<tr class="memitem:ab6e667a6180c58207658d9c84db2cc8d"><td class="memItemLeft" 
align="right" valign="top">virtual&#160;</td><td class="memItemRight" 
valign="bottom"><a class="el" 
href="classarrow_1_1io_1_1_file_system.html#ab6e667a6180c58207658d9c84db2cc8d">~FileSystem</a>
 ()</td></tr>
-<tr class="separator:ab6e667a6180c58207658d9c84db2cc8d"><td 
class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:a4e2408c5a7d438d9ccc7284e73762336"><td class="memItemLeft" 
align="right" valign="top">virtual&#160;</td><td class="memItemRight" 
valign="bottom"><a class="el" 
href="classarrow_1_1io_1_1_file_system.html#a4e2408c5a7d438d9ccc7284e73762336">~FileSystem</a>
 ()=default</td></tr>
+<tr class="separator:a4e2408c5a7d438d9ccc7284e73762336"><td 
class="memSeparator" colspan="2">&#160;</td></tr>
 <tr class="memitem:a7e8e6633ff7145b38cca49311a6e17ee"><td class="memItemLeft" 
align="right" valign="top">virtual <a class="el" 
href="classarrow_1_1_status.html">Status</a>&#160;</td><td class="memItemRight" 
valign="bottom"><a class="el" 
href="classarrow_1_1io_1_1_file_system.html#a7e8e6633ff7145b38cca49311a6e17ee">MakeDirectory</a>
 (const std::string &amp;path)=0</td></tr>
 <tr class="separator:a7e8e6633ff7145b38cca49311a6e17ee"><td 
class="memSeparator" colspan="2">&#160;</td></tr>
 <tr class="memitem:ae0fcf3de8b1f52bfba7aca6ffcffbcef"><td class="memItemLeft" 
align="right" valign="top">virtual <a class="el" 
href="classarrow_1_1_status.html">Status</a>&#160;</td><td class="memItemRight" 
valign="bottom"><a class="el" 
href="classarrow_1_1io_1_1_file_system.html#ae0fcf3de8b1f52bfba7aca6ffcffbcef">DeleteDirectory</a>
 (const std::string &amp;path)=0</td></tr>
@@ -98,8 +98,8 @@ Public Member Functions</h2></td></tr>
 <tr class="separator:a46da344aa3993caca4273ecfc120e68b"><td 
class="memSeparator" colspan="2">&#160;</td></tr>
 </table>
 <h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
-<a id="ab6e667a6180c58207658d9c84db2cc8d"></a>
-<h2 class="memtitle"><span class="permalink"><a 
href="#ab6e667a6180c58207658d9c84db2cc8d">&#9670;&nbsp;</a></span>~FileSystem()</h2>
+<a id="a4e2408c5a7d438d9ccc7284e73762336"></a>
+<h2 class="memtitle"><span class="permalink"><a 
href="#a4e2408c5a7d438d9ccc7284e73762336">&#9670;&nbsp;</a></span>~FileSystem()</h2>
 
 <div class="memitem">
 <div class="memproto">
@@ -116,7 +116,7 @@ Public Member Functions</h2></td></tr>
       </table>
   </td>
   <td class="mlabels-right">
-<span class="mlabels"><span class="mlabel">inline</span><span 
class="mlabel">virtual</span></span>  </td>
+<span class="mlabels"><span class="mlabel">virtual</span><span 
class="mlabel">default</span></span>  </td>
   </tr>
 </table>
 </div><div class="memdoc">

http://git-wip-us.apache.org/repos/asf/arrow-site/blob/35e0e750/docs/cpp/classarrow_1_1io_1_1_fixed_size_buffer_writer-members.html
----------------------------------------------------------------------
diff --git 
a/docs/cpp/classarrow_1_1io_1_1_fixed_size_buffer_writer-members.html 
b/docs/cpp/classarrow_1_1io_1_1_fixed_size_buffer_writer-members.html
index 85abe32..dd3400e 100644
--- a/docs/cpp/classarrow_1_1io_1_1_fixed_size_buffer_writer-members.html
+++ b/docs/cpp/classarrow_1_1io_1_1_fixed_size_buffer_writer-members.html
@@ -70,35 +70,28 @@ $(function() {
 
 <p>This is the complete list of members for <a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html">arrow::io::FixedSizeBufferWriter</a>,
 including all inherited members.</p>
 <table class="directory">
-  <tr class="even"><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html#add411d06cde6dbdf37ee528d74a20eb1">buffer_</a></td><td
 class="entry"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html">arrow::io::FixedSizeBufferWriter</a></td><td
 class="entry"><span class="mlabel">protected</span></td></tr>
-  <tr><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html#a23897d9eb4988d489f7e8a444211a54f">Close</a>()
 override</td><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html">arrow::io::FixedSizeBufferWriter</a></td><td
 class="entry"><span class="mlabel">virtual</span></td></tr>
-  <tr class="even"><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_file_interface.html#afea9126bb21e3720212a826aa78b5534">FileInterface</a>()</td><td
 class="entry"><a class="el" 
href="classarrow_1_1io_1_1_file_interface.html">arrow::io::FileInterface</a></td><td
 class="entry"><span class="mlabel">inline</span><span 
class="mlabel">protected</span></td></tr>
-  <tr><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html#a54aacd40e26b32dbe6bc52669adf1045">FixedSizeBufferWriter</a>(const
 std::shared_ptr&lt; Buffer &gt; &amp;buffer)</td><td class="entry"><a 
class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html">arrow::io::FixedSizeBufferWriter</a></td><td
 class="entry"><span class="mlabel">explicit</span></td></tr>
-  <tr class="even"><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_writeable.html#a1e88868d908a490eabd1dd29e99bfc99">Flush</a>()</td><td
 class="entry"><a class="el" 
href="classarrow_1_1io_1_1_writeable.html">arrow::io::Writeable</a></td><td 
class="entry"><span class="mlabel">virtual</span></td></tr>
-  <tr><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html#a8fca034874d51a2ec022b4f0851aabc1">lock_</a></td><td
 class="entry"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html">arrow::io::FixedSizeBufferWriter</a></td><td
 class="entry"><span class="mlabel">protected</span></td></tr>
-  <tr class="even"><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html#a453111d056bbca66fa4a25557ddfe8a4">memcopy_blocksize_</a></td><td
 class="entry"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html">arrow::io::FixedSizeBufferWriter</a></td><td
 class="entry"><span class="mlabel">protected</span></td></tr>
-  <tr><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html#a3d16e4ece6d223b6e1c2e5eea58a2e11">memcopy_num_threads_</a></td><td
 class="entry"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html">arrow::io::FixedSizeBufferWriter</a></td><td
 class="entry"><span class="mlabel">protected</span></td></tr>
-  <tr class="even"><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html#a7b7b1973fa5168cfd7c1b4223de0705f">memcopy_threshold_</a></td><td
 class="entry"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html">arrow::io::FixedSizeBufferWriter</a></td><td
 class="entry"><span class="mlabel">protected</span></td></tr>
+  <tr class="even"><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html#a23897d9eb4988d489f7e8a444211a54f">Close</a>()
 override</td><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html">arrow::io::FixedSizeBufferWriter</a></td><td
 class="entry"><span class="mlabel">virtual</span></td></tr>
+  <tr><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_file_interface.html#afea9126bb21e3720212a826aa78b5534">FileInterface</a>()</td><td
 class="entry"><a class="el" 
href="classarrow_1_1io_1_1_file_interface.html">arrow::io::FileInterface</a></td><td
 class="entry"><span class="mlabel">inline</span><span 
class="mlabel">protected</span></td></tr>
+  <tr class="even"><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html#a54aacd40e26b32dbe6bc52669adf1045">FixedSizeBufferWriter</a>(const
 std::shared_ptr&lt; Buffer &gt; &amp;buffer)</td><td class="entry"><a 
class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html">arrow::io::FixedSizeBufferWriter</a></td><td
 class="entry"><span class="mlabel">explicit</span></td></tr>
+  <tr><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_writeable.html#a1e88868d908a490eabd1dd29e99bfc99">Flush</a>()</td><td
 class="entry"><a class="el" 
href="classarrow_1_1io_1_1_writeable.html">arrow::io::Writeable</a></td><td 
class="entry"><span class="mlabel">virtual</span></td></tr>
+  <tr class="even"><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html#a03fe73b61469276c535aa3fef56db5c3">impl_</a></td><td
 class="entry"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html">arrow::io::FixedSizeBufferWriter</a></td><td
 class="entry"><span class="mlabel">protected</span></td></tr>
   <tr><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_file_interface.html#a75a3739361570bb121b9adb04d5d8686">mode</a>()
 const</td><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_file_interface.html">arrow::io::FileInterface</a></td><td
 class="entry"><span class="mlabel">inline</span></td></tr>
   <tr class="even"><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_file_interface.html#a504d0410eb6066316365a4549d000ee0">mode_</a></td><td
 class="entry"><a class="el" 
href="classarrow_1_1io_1_1_file_interface.html">arrow::io::FileInterface</a></td><td
 class="entry"><span class="mlabel">protected</span></td></tr>
-  <tr><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html#a8244bba29dde32c4c664d8d809e7e8c7">mutable_data_</a></td><td
 class="entry"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html">arrow::io::FixedSizeBufferWriter</a></td><td
 class="entry"><span class="mlabel">protected</span></td></tr>
-  <tr class="even"><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_output_stream.html#a75ceada7c785d78fbb2a81d2ce6b6e93">OutputStream</a>()</td><td
 class="entry"><a class="el" 
href="classarrow_1_1io_1_1_output_stream.html">arrow::io::OutputStream</a></td><td
 class="entry"><span class="mlabel">inline</span><span 
class="mlabel">protected</span></td></tr>
-  <tr><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html#a23e2407d4fe453512ce2123f0df5661c">position_</a></td><td
 class="entry"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html">arrow::io::FixedSizeBufferWriter</a></td><td
 class="entry"><span class="mlabel">protected</span></td></tr>
+  <tr><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_output_stream.html#a5b1e0adea7ef92368ddc07027995aca1">OutputStream</a>()=default</td><td
 class="entry"><a class="el" 
href="classarrow_1_1io_1_1_output_stream.html">arrow::io::OutputStream</a></td><td
 class="entry"><span class="mlabel">protected</span></td></tr>
   <tr class="even"><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html#a02f7ef2b27dc75ca386072427b0195bd">Seek</a>(int64_t
 position) override</td><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html">arrow::io::FixedSizeBufferWriter</a></td><td
 class="entry"><span class="mlabel">virtual</span></td></tr>
   <tr><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html#a7e69ddfbbc6bb0dc0050d4a92c148121">set_memcopy_blocksize</a>(int64_t
 blocksize)</td><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html">arrow::io::FixedSizeBufferWriter</a></td><td
 class="entry"></td></tr>
   <tr class="even"><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html#a10acc812bc7338d9d250d05d6f9809ec">set_memcopy_threads</a>(int
 num_threads)</td><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html">arrow::io::FixedSizeBufferWriter</a></td><td
 class="entry"></td></tr>
   <tr><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html#a05aec9d809419513b1e263fd9057420c">set_memcopy_threshold</a>(int64_t
 threshold)</td><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html">arrow::io::FixedSizeBufferWriter</a></td><td
 class="entry"></td></tr>
   <tr class="even"><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_file_interface.html#af3dd01a780076e39a34770beb513f71f">set_mode</a>(FileMode::type
 mode)</td><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_file_interface.html">arrow::io::FileInterface</a></td><td
 class="entry"><span class="mlabel">inline</span><span 
class="mlabel">protected</span></td></tr>
-  <tr><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html#a87084dc0f1cd4c4c43e49e98812525cc">size_</a></td><td
 class="entry"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html">arrow::io::FixedSizeBufferWriter</a></td><td
 class="entry"><span class="mlabel">protected</span></td></tr>
-  <tr class="even"><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html#a795fb57a01735eccd1c555605d90ea49">Tell</a>(int64_t
 *position) const override</td><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html">arrow::io::FixedSizeBufferWriter</a></td><td
 class="entry"><span class="mlabel">virtual</span></td></tr>
-  <tr><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html#a111724a73af1ee5baa58f722e8555d35">Write</a>(const
 uint8_t *data, int64_t nbytes) override</td><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html">arrow::io::FixedSizeBufferWriter</a></td><td
 class="entry"><span class="mlabel">virtual</span></td></tr>
-  <tr class="even"><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_writeable.html#a2448c22a077c56826284ee34e2b3087f">arrow::io::WriteableFile::Write</a>(const
 std::string &amp;data)</td><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_writeable.html">arrow::io::Writeable</a></td><td 
class="entry"></td></tr>
-  <tr><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_writeable_file.html#a650f2ad9683cdbcc49ffeb2e75b7a082">WriteableFile</a>()</td><td
 class="entry"><a class="el" 
href="classarrow_1_1io_1_1_writeable_file.html">arrow::io::WriteableFile</a></td><td
 class="entry"><span class="mlabel">inline</span><span 
class="mlabel">protected</span></td></tr>
-  <tr class="even"><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html#a5075a02f5ab158f7a556d135d7f8c8bd">WriteAt</a>(int64_t
 position, const uint8_t *data, int64_t nbytes) override</td><td 
class="entry"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html">arrow::io::FixedSizeBufferWriter</a></td><td
 class="entry"><span class="mlabel">virtual</span></td></tr>
-  <tr><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_file_interface.html#aa42dcdfad00634f01192b39f1d9b4929">~FileInterface</a>()=0</td><td
 class="entry"><a class="el" 
href="classarrow_1_1io_1_1_file_interface.html">arrow::io::FileInterface</a></td><td
 class="entry"><span class="mlabel">pure virtual</span></td></tr>
-  <tr class="even"><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html#acbea3c403fae6336fbd22d618886b47a">~FixedSizeBufferWriter</a>()</td><td
 class="entry"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html">arrow::io::FixedSizeBufferWriter</a></td><td
 class="entry"></td></tr>
-  <tr><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_seekable.html#a7642c30d2f852e0f79fec036a94ca093">~Seekable</a>()=default</td><td
 class="entry"><a class="el" 
href="classarrow_1_1io_1_1_seekable.html">arrow::io::Seekable</a></td><td 
class="entry"><span class="mlabel">virtual</span></td></tr>
-  <tr class="even"><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_writeable.html#a09ad8f3eb044bb81835101c3d96144c0">~Writeable</a>()=default</td><td
 class="entry"><a class="el" 
href="classarrow_1_1io_1_1_writeable.html">arrow::io::Writeable</a></td><td 
class="entry"><span class="mlabel">virtual</span></td></tr>
+  <tr><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html#a795fb57a01735eccd1c555605d90ea49">Tell</a>(int64_t
 *position) const override</td><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html">arrow::io::FixedSizeBufferWriter</a></td><td
 class="entry"><span class="mlabel">virtual</span></td></tr>
+  <tr class="even"><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html#a111724a73af1ee5baa58f722e8555d35">Write</a>(const
 uint8_t *data, int64_t nbytes) override</td><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html">arrow::io::FixedSizeBufferWriter</a></td><td
 class="entry"><span class="mlabel">virtual</span></td></tr>
+  <tr><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_writeable.html#a2448c22a077c56826284ee34e2b3087f">arrow::io::WriteableFile::Write</a>(const
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href="classarrow_1_1io_1_1_writeable.html">arrow::io::Writeable</a></td><td 
class="entry"></td></tr>
+  <tr class="even"><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_writeable_file.html#a0e73c948283c76d1802b14dfadc986a5">WriteableFile</a>()=default</td><td
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href="classarrow_1_1io_1_1_writeable_file.html">arrow::io::WriteableFile</a></td><td
 class="entry"><span class="mlabel">protected</span></td></tr>
+  <tr><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html#a5075a02f5ab158f7a556d135d7f8c8bd">WriteAt</a>(int64_t
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class="entry"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html">arrow::io::FixedSizeBufferWriter</a></td><td
 class="entry"><span class="mlabel">virtual</span></td></tr>
+  <tr class="even"><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_file_interface.html#aa42dcdfad00634f01192b39f1d9b4929">~FileInterface</a>()=0</td><td
 class="entry"><a class="el" 
href="classarrow_1_1io_1_1_file_interface.html">arrow::io::FileInterface</a></td><td
 class="entry"><span class="mlabel">pure virtual</span></td></tr>
+  <tr><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html#ad071ee1572c0ab5c903fa3c5181f4799">~FixedSizeBufferWriter</a>()
 override</td><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html">arrow::io::FixedSizeBufferWriter</a></td><td
 class="entry"></td></tr>
+  <tr class="even"><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_seekable.html#a7642c30d2f852e0f79fec036a94ca093">~Seekable</a>()=default</td><td
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href="classarrow_1_1io_1_1_seekable.html">arrow::io::Seekable</a></td><td 
class="entry"><span class="mlabel">virtual</span></td></tr>
+  <tr><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_writeable.html#a09ad8f3eb044bb81835101c3d96144c0">~Writeable</a>()=default</td><td
 class="entry"><a class="el" 
href="classarrow_1_1io_1_1_writeable.html">arrow::io::Writeable</a></td><td 
class="entry"><span class="mlabel">virtual</span></td></tr>
 </table></div><!-- contents -->
 <!-- start footer part -->
 <hr class="footer"/><address class="footer"><small>

http://git-wip-us.apache.org/repos/asf/arrow-site/blob/35e0e750/docs/cpp/classarrow_1_1io_1_1_fixed_size_buffer_writer.html
----------------------------------------------------------------------
diff --git a/docs/cpp/classarrow_1_1io_1_1_fixed_size_buffer_writer.html 
b/docs/cpp/classarrow_1_1io_1_1_fixed_size_buffer_writer.html
index 6f0edf3..0f6786d 100644
--- a/docs/cpp/classarrow_1_1io_1_1_fixed_size_buffer_writer.html
+++ b/docs/cpp/classarrow_1_1io_1_1_fixed_size_buffer_writer.html
@@ -75,7 +75,7 @@ $(function() {
 <p>Enables random writes into a fixed-size mutable buffer.  
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href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html#details">More...</a></p>
 
-<p><code>#include &lt;<a class="el" 
href="io_2memory_8h_source.html">memory.h</a>&gt;</code></p>
+<p><code>#include &lt;<a class="el" 
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shape="rect" coords="301,56,492,80"/>
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align="right" valign="top">&#160;</td><td class="memItemRight" 
valign="bottom"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html#a54aacd40e26b32dbe6bc52669adf1045">FixedSizeBufferWriter</a>
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href="classarrow_1_1_buffer.html">Buffer</a> &gt; &amp;buffer)</td></tr>
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class="mdescLeft">&#160;</td><td class="mdescRight">Input buffer must be 
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class="memSeparator" colspan="2">&#160;</td></tr>
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href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html#acbea3c403fae6336fbd22d618886b47a">~FixedSizeBufferWriter</a>
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class="memSeparator" colspan="2">&#160;</td></tr>
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valign="bottom"><a class="el" 
href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html#ad071ee1572c0ab5c903fa3c5181f4799">~FixedSizeBufferWriter</a>
 () override</td></tr>
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class="memSeparator" colspan="2">&#160;</td></tr>
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class="memSeparator" colspan="2">&#160;</td></tr>
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href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html#a02f7ef2b27dc75ca386072427b0195bd">Seek</a>
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 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a 
name="pro-attribs"></a>
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align="right" valign="top">std::mutex&#160;</td><td class="memItemRight" 
valign="bottom"><a class="el" 
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href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html#a8244bba29dde32c4c664d8d809e7e8c7">mutable_data_</a></td></tr>
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class="memSeparator" colspan="2">&#160;</td></tr>
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align="right" valign="top">std::unique_ptr&lt; FixedSizeBufferWriterImpl 
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href="classarrow_1_1io_1_1_fixed_size_buffer_writer.html#a03fe73b61469276c535aa3fef56db5c3">impl_</a></td></tr>
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class="memSeparator" colspan="2">&#160;</td></tr>
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colspan="2" 
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href="classarrow_1_1io_1_1_file_interface.html">arrow::io::FileInterface</a></td></tr>
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 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a 
name="inherited"></a>
 Additional Inherited Members</h2></td></tr>
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colspan="2" 
onclick="javascript:toggleInherit('pro_methods_classarrow_1_1io_1_1_writeable_file')"><img
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href="classarrow_1_1io_1_1_writeable_file.html">arrow::io::WriteableFile</a></td></tr>
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href="classarrow_1_1io_1_1_writeable_file.html#a0e73c948283c76d1802b14dfadc986a5">WriteableFile</a>
 ()=default</td></tr>
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onclick="javascript:toggleInherit('pro_methods_classarrow_1_1io_1_1_output_stream')"><img
 src="closed.png" alt="-"/>&#160;Protected Member Functions inherited from <a 
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onclick="javascript:toggleInherit('pro_methods_classarrow_1_1io_1_1_file_interface')"><img
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href="#acbea3c403fae6336fbd22d618886b47a">&#9670;&nbsp;</a></span>~FixedSizeBufferWriter()</h2>
+<a id="ad071ee1572c0ab5c903fa3c5181f4799"></a>
+<h2 class="memtitle"><span class="permalink"><a 
href="#ad071ee1572c0ab5c903fa3c5181f4799">&#9670;&nbsp;</a></span>~FixedSizeBufferWriter()</h2>
 
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+  <tr>
+  <td class="mlabels-left">
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+  </td>
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href="classarrow_1_1io_1_1_hadoop_file_system.html#a0da66d4dc0b16959b42401dee1c63374">Rename</a>(const
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href="classarrow_1_1io_1_1_file_system.html#ab6e667a6180c58207658d9c84db2cc8d">~FileSystem</a>()</td><td
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class="entry"><span class="mlabel">inline</span><span 
class="mlabel">virtual</span></td></tr>
+  <tr><td class="entry"><a class="el" 
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 (const std::string &amp;path, bool append, std::shared_ptr&lt; <a class="el" 
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colspan="2">&#160;</td></tr>
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href="classarrow_1_1io_1_1_file_system.html#a4e2408c5a7d438d9ccc7284e73762336">~FileSystem</a>
 ()=default</td></tr>
+<tr class="separator:a4e2408c5a7d438d9ccc7284e73762336 inherit 
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 <dl class="params"><dt>Parameters</dt><dd>
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-    <tr><td class="paramname">owner</td><td>pass nullptr for no change 
</td></tr>
-    <tr><td class="paramname">group</td><td>pass nullptr for no change 
</td></tr>
+    <tr><td class="paramname">owner</td><td>pass null for no change </td></tr>
+    <tr><td class="paramname">group</td><td>pass null for no change </td></tr>
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http://git-wip-us.apache.org/repos/asf/arrow-site/blob/35e0e750/docs/cpp/classarrow_1_1io_1_1_hdfs_output_stream-members.html
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diff --git a/docs/cpp/classarrow_1_1io_1_1_hdfs_output_stream-members.html 
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index e3325f9..47a324a 100644
--- a/docs/cpp/classarrow_1_1io_1_1_hdfs_output_stream-members.html
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@@ -76,7 +76,7 @@ $(function() {
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href="classarrow_1_1io_1_1_hdfs_output_stream.html#a2c0e64271cef9799af36654b4b0e4604">HadoopFileSystem::HadoopFileSystemImpl</a>
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href="classarrow_1_1io_1_1_hdfs_output_stream.html">arrow::io::HdfsOutputStream</a></td><td
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href="classarrow_1_1io_1_1_file_interface.html#a75a3739361570bb121b9adb04d5d8686">mode</a>()
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href="classarrow_1_1io_1_1_output_stream.html">arrow::io::OutputStream</a></td><td
 class="entry"><span class="mlabel">inline</span><span 
class="mlabel">protected</span></td></tr>
+  <tr class="even"><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_output_stream.html#a5b1e0adea7ef92368ddc07027995aca1">OutputStream</a>()=default</td><td
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href="classarrow_1_1io_1_1_output_stream.html">arrow::io::OutputStream</a></td><td
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   <tr><td class="entry"><a class="el" 
href="classarrow_1_1io_1_1_file_interface.html#af3dd01a780076e39a34770beb513f71f">set_mode</a>(FileMode::type
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href="classarrow_1_1io_1_1_file_interface.html">arrow::io::FileInterface</a></td><td
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href="classarrow_1_1io_1_1_hdfs_output_stream.html#a9c8258de93fe15b8aeaa82a65725cba3">Tell</a>(int64_t
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href="classarrow_1_1io_1_1_hdfs_output_stream.html#a5abe030f122e99a30ec334be9f4dd5cc">Write</a>(const
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href="classarrow_1_1io_1_1_hdfs_output_stream.html">arrow::io::HdfsOutputStream</a></td><td
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