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| <p><code>#include <<a class="el" href="tmp-file-mgr_8h_source.html">tmp-file-mgr.h</a>></code></p> |
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| <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:a70109884e9be629a6d1cb3ac77a376a2"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classimpala_1_1Status.html">Status</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classimpala_1_1TmpFileMgr_1_1File.html#a70109884e9be629a6d1cb3ac77a376a2">AllocateSpace</a> (int64_t write_size, int64_t *<a class="el" href="partitioning-throughput-test_8cc.html#ad172ecfd5c31c5df6282c2b4bc322bf7">offset</a>)</td></tr> |
| <tr class="separator:a70109884e9be629a6d1cb3ac77a376a2"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:aef55149f106b1e9d2554ee9b7bf8bb34"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classimpala_1_1Status.html">Status</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classimpala_1_1TmpFileMgr_1_1File.html#aef55149f106b1e9d2554ee9b7bf8bb34">Remove</a> ()</td></tr> |
| <tr class="separator:aef55149f106b1e9d2554ee9b7bf8bb34"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a3caf7de1638b43ba3cb07f438f7ee860"><td class="memItemLeft" align="right" valign="top">const std::string & </td><td class="memItemRight" valign="bottom"><a class="el" href="classimpala_1_1TmpFileMgr_1_1File.html#a3caf7de1638b43ba3cb07f438f7ee860">path</a> () const </td></tr> |
| <tr class="separator:a3caf7de1638b43ba3cb07f438f7ee860"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a8ecdc716ded7275d8633c98c96de4348"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classimpala_1_1TmpFileMgr_1_1File.html#a8ecdc716ded7275d8633c98c96de4348">disk_id</a> () const </td></tr> |
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| </table><table class="memberdecls"> |
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| Private Member Functions</h2></td></tr> |
| <tr class="memitem:ac52127c2d67e10623e45004d9b298ba4"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classimpala_1_1TmpFileMgr_1_1File.html#ac52127c2d67e10623e45004d9b298ba4">File</a> (const std::string &<a class="el" href="classimpala_1_1TmpFileMgr_1_1File.html#a3caf7de1638b43ba3cb07f438f7ee860">path</a>)</td></tr> |
| <tr class="separator:ac52127c2d67e10623e45004d9b298ba4"><td class="memSeparator" colspan="2"> </td></tr> |
| </table><table class="memberdecls"> |
| <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pri-attribs"></a> |
| Private Attributes</h2></td></tr> |
| <tr class="memitem:a375ba4b952f6bc6ac9a8838bcbe131da"><td class="memItemLeft" align="right" valign="top">std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="classimpala_1_1TmpFileMgr_1_1File.html#a375ba4b952f6bc6ac9a8838bcbe131da">path_</a></td></tr> |
| <tr class="memdesc:a375ba4b952f6bc6ac9a8838bcbe131da"><td class="mdescLeft"> </td><td class="mdescRight">Path of the physical file in the filesystem. <a href="#a375ba4b952f6bc6ac9a8838bcbe131da">More...</a><br/></td></tr> |
| <tr class="separator:a375ba4b952f6bc6ac9a8838bcbe131da"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:aa9af4bd7ae6b0168b8acded95b77222a"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classimpala_1_1TmpFileMgr_1_1File.html#aa9af4bd7ae6b0168b8acded95b77222a">disk_id_</a></td></tr> |
| <tr class="memdesc:aa9af4bd7ae6b0168b8acded95b77222a"><td class="mdescLeft"> </td><td class="mdescRight">The id of the disk on which the physical file lies. <a href="#aa9af4bd7ae6b0168b8acded95b77222a">More...</a><br/></td></tr> |
| <tr class="separator:aa9af4bd7ae6b0168b8acded95b77222a"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:aabd03dccd1277ee433e257518d5228a2"><td class="memItemLeft" align="right" valign="top">int64_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classimpala_1_1TmpFileMgr_1_1File.html#aabd03dccd1277ee433e257518d5228a2">current_offset_</a></td></tr> |
| <tr class="memdesc:aabd03dccd1277ee433e257518d5228a2"><td class="mdescLeft"> </td><td class="mdescRight">Offset to which the next block will be written. <a href="#aabd03dccd1277ee433e257518d5228a2">More...</a><br/></td></tr> |
| <tr class="separator:aabd03dccd1277ee433e257518d5228a2"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ad6511d2d7629fe7d69b1d7d3386d059e"><td class="memItemLeft" align="right" valign="top">int64_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classimpala_1_1TmpFileMgr_1_1File.html#ad6511d2d7629fe7d69b1d7d3386d059e">current_size_</a></td></tr> |
| <tr class="separator:ad6511d2d7629fe7d69b1d7d3386d059e"><td class="memSeparator" colspan="2"> </td></tr> |
| </table><table class="memberdecls"> |
| <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pri-static-attribs"></a> |
| Static Private Attributes</h2></td></tr> |
| <tr class="memitem:abe7bfce5d01a1a1084357d9aa9184560"><td class="memItemLeft" align="right" valign="top">static const std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="classimpala_1_1TmpFileMgr_1_1File.html#abe7bfce5d01a1a1084357d9aa9184560">TMP_SUB_DIR_NAME</a></td></tr> |
| <tr class="separator:abe7bfce5d01a1a1084357d9aa9184560"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a357cafa3ff215357a8a679919c4a22a9"><td class="memItemLeft" align="right" valign="top">static const <a class="el" href="classuint64__t.html">uint64_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classimpala_1_1TmpFileMgr_1_1File.html#a357cafa3ff215357a8a679919c4a22a9">AVAILABLE_SPACE_THRESHOLD_MB</a></td></tr> |
| <tr class="separator:a357cafa3ff215357a8a679919c4a22a9"><td class="memSeparator" colspan="2"> </td></tr> |
| </table><table class="memberdecls"> |
| <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="friends"></a> |
| Friends</h2></td></tr> |
| <tr class="memitem:add4b305ac76fae112c5f1fe9bcb36e1e"><td class="memItemLeft" align="right" valign="top">class </td><td class="memItemRight" valign="bottom"><a class="el" href="classimpala_1_1TmpFileMgr_1_1File.html#add4b305ac76fae112c5f1fe9bcb36e1e">TmpFileMgr</a></td></tr> |
| <tr class="separator:add4b305ac76fae112c5f1fe9bcb36e1e"><td class="memSeparator" colspan="2"> </td></tr> |
| </table> |
| <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> |
| <div class="textblock"><p><a class="el" href="classimpala_1_1TmpFileMgr_1_1File.html">TmpFileMgr::File</a> is a handle to a physical file in a temporary directory. Clients can allocate file space and remove files using <a class="el" href="classimpala_1_1TmpFileMgr_1_1File.html#a70109884e9be629a6d1cb3ac77a376a2">AllocateSpace()</a> and <a class="el" href="classimpala_1_1TmpFileMgr_1_1File.html#aef55149f106b1e9d2554ee9b7bf8bb34">Remove()</a>. Creation of the file is deferred until the first call to <a class="el" href="classimpala_1_1TmpFileMgr_1_1File.html#a70109884e9be629a6d1cb3ac77a376a2">AllocateSpace()</a>. </p> |
| |
| <p>Definition at line <a class="el" href="tmp-file-mgr_8h_source.html#l00033">33</a> of file <a class="el" href="tmp-file-mgr_8h_source.html">tmp-file-mgr.h</a>.</p> |
| </div><h2 class="groupheader">Constructor & Destructor Documentation</h2> |
| <a class="anchor" id="ac52127c2d67e10623e45004d9b298ba4"></a> |
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| <td class="memname">impala::TmpFileMgr::File::File </td> |
| <td>(</td> |
| <td class="paramtype">const std::string & </td> |
| <td class="paramname"><em>path</em></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </td> |
| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">private</span></span> </td> |
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| </div><div class="memdoc"> |
| |
| <p>Definition at line <a class="el" href="tmp-file-mgr_8cc_source.html#l00104">104</a> of file <a class="el" href="tmp-file-mgr_8cc_source.html">tmp-file-mgr.cc</a>.</p> |
| |
| </div> |
| </div> |
| <h2 class="groupheader">Member Function Documentation</h2> |
| <a class="anchor" id="a70109884e9be629a6d1cb3ac77a376a2"></a> |
| <div class="memitem"> |
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| <td class="memname"><a class="el" href="classimpala_1_1Status.html">Status</a> impala::TmpFileMgr::File::AllocateSpace </td> |
| <td>(</td> |
| <td class="paramtype">int64_t </td> |
| <td class="paramname"><em>write_size</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">int64_t * </td> |
| <td class="paramname"><em>offset</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Allocates 'write_size' bytes in this file for a new block of data. The file size is increased by a call to truncate() if necessary. The physical file is created on the first call to <a class="el" href="classimpala_1_1TmpFileMgr_1_1File.html#a70109884e9be629a6d1cb3ac77a376a2">AllocateSpace()</a>. </p> |
| |
| <p>Definition at line <a class="el" href="tmp-file-mgr_8cc_source.html#l00110">110</a> of file <a class="el" href="tmp-file-mgr_8cc_source.html">tmp-file-mgr.cc</a>.</p> |
| |
| <p>References <a class="el" href="filesystem-util_8cc_source.html#l00066">impala::FileSystemUtil::CreateFile()</a>, <a class="el" href="disk-info_8cc_source.html#l00119">impala::DiskInfo::disk_id()</a>, <a class="el" href="status_8h_source.html#l00087">impala::Status::OK</a>, <a class="el" href="filesystem-util_8cc_source.html#l00085">impala::FileSystemUtil::ResizeFile()</a>, and <a class="el" href="status_8h_source.html#l00242">RETURN_IF_ERROR</a>.</p> |
| |
| <p>Referenced by <a class="el" href="buffered-block-mgr_8cc_source.html#l00659">impala::BufferedBlockMgr::WriteUnpinnedBlock()</a>.</p> |
| |
| </div> |
| </div> |
| <a class="anchor" id="a8ecdc716ded7275d8633c98c96de4348"></a> |
| <div class="memitem"> |
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| <td class="memname">int impala::TmpFileMgr::File::disk_id </td> |
| <td>(</td> |
| <td class="paramname"></td><td>)</td> |
| <td> const</td> |
| </tr> |
| </table> |
| </td> |
| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">inline</span></span> </td> |
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| </div><div class="memdoc"> |
| |
| <p>Definition at line <a class="el" href="tmp-file-mgr_8h_source.html#l00045">45</a> of file <a class="el" href="tmp-file-mgr_8h_source.html">tmp-file-mgr.h</a>.</p> |
| |
| <p>References <a class="el" href="tmp-file-mgr_8h_source.html#l00064">disk_id_</a>.</p> |
| |
| <p>Referenced by <a class="el" href="buffered-block-mgr_8cc_source.html#l00659">impala::BufferedBlockMgr::WriteUnpinnedBlock()</a>.</p> |
| |
| </div> |
| </div> |
| <a class="anchor" id="a3caf7de1638b43ba3cb07f438f7ee860"></a> |
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| <td class="memname">const std::string& impala::TmpFileMgr::File::path </td> |
| <td>(</td> |
| <td class="paramname"></td><td>)</td> |
| <td> const</td> |
| </tr> |
| </table> |
| </td> |
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| <span class="mlabels"><span class="mlabel">inline</span></span> </td> |
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| |
| <p>Definition at line <a class="el" href="tmp-file-mgr_8h_source.html#l00044">44</a> of file <a class="el" href="tmp-file-mgr_8h_source.html">tmp-file-mgr.h</a>.</p> |
| |
| <p>References <a class="el" href="tmp-file-mgr_8h_source.html#l00061">path_</a>.</p> |
| |
| <p>Referenced by <a class="el" href="buffered-block-mgr_8cc_source.html#l00659">impala::BufferedBlockMgr::WriteUnpinnedBlock()</a>.</p> |
| |
| </div> |
| </div> |
| <a class="anchor" id="aef55149f106b1e9d2554ee9b7bf8bb34"></a> |
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| <td class="memname"><a class="el" href="classimpala_1_1Status.html">Status</a> impala::TmpFileMgr::File::Remove </td> |
| <td>(</td> |
| <td class="paramname"></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Delete the physical file on disk, if one was created. It is not valid to read or write to a file after calling <a class="el" href="classimpala_1_1TmpFileMgr_1_1File.html#aef55149f106b1e9d2554ee9b7bf8bb34">Remove()</a>. </p> |
| |
| <p>Definition at line <a class="el" href="tmp-file-mgr_8cc_source.html#l00132">132</a> of file <a class="el" href="tmp-file-mgr_8cc_source.html">tmp-file-mgr.cc</a>.</p> |
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| <p>References <a class="el" href="status_8h_source.html#l00087">impala::Status::OK</a>, and <a class="el" href="filesystem-util_8cc_source.html#l00053">impala::FileSystemUtil::RemovePaths()</a>.</p> |
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| <p>Referenced by <a class="el" href="buffered-block-mgr_8cc_source.html#l00481">impala::BufferedBlockMgr::~BufferedBlockMgr()</a>.</p> |
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| </div> |
| </div> |
| <h2 class="groupheader">Friends And Related Function Documentation</h2> |
| <a class="anchor" id="add4b305ac76fae112c5f1fe9bcb36e1e"></a> |
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| <td class="memname">friend class <a class="el" href="classimpala_1_1TmpFileMgr.html">TmpFileMgr</a></td> |
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| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">friend</span></span> </td> |
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| <p>Definition at line <a class="el" href="tmp-file-mgr_8h_source.html#l00048">48</a> of file <a class="el" href="tmp-file-mgr_8h_source.html">tmp-file-mgr.h</a>.</p> |
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| </div> |
| </div> |
| <h2 class="groupheader">Member Data Documentation</h2> |
| <a class="anchor" id="a357cafa3ff215357a8a679919c4a22a9"></a> |
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| <td class="memname">const <a class="el" href="classuint64__t.html">uint64_t</a> impala::TmpFileMgr::File::AVAILABLE_SPACE_THRESHOLD_MB</td> |
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| </td> |
| <td class="mlabels-right"> |
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| <p>Space (in MB) that must ideally be available for writing on a scratch directory. A warning is issued if available space is less than this threshold. </p> |
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| <p>Definition at line <a class="el" href="tmp-file-mgr_8h_source.html#l00056">56</a> of file <a class="el" href="tmp-file-mgr_8h_source.html">tmp-file-mgr.h</a>.</p> |
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| <a class="anchor" id="aabd03dccd1277ee433e257518d5228a2"></a> |
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| <td class="memname">int64_t impala::TmpFileMgr::File::current_offset_</td> |
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| <p>Offset to which the next block will be written. </p> |
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| <p>Definition at line <a class="el" href="tmp-file-mgr_8h_source.html#l00067">67</a> of file <a class="el" href="tmp-file-mgr_8h_source.html">tmp-file-mgr.h</a>.</p> |
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| <a class="anchor" id="ad6511d2d7629fe7d69b1d7d3386d059e"></a> |
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| <td class="memname">int64_t impala::TmpFileMgr::File::current_size_</td> |
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| <span class="mlabels"><span class="mlabel">private</span></span> </td> |
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| <p>Current file size. Modified by <a class="el" href="classimpala_1_1TmpFileMgr_1_1File.html#a70109884e9be629a6d1cb3ac77a376a2">AllocateSpace()</a>. Is always >= current offset. Size is 0 before the file is created. </p> |
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| <p>Definition at line <a class="el" href="tmp-file-mgr_8h_source.html#l00071">71</a> of file <a class="el" href="tmp-file-mgr_8h_source.html">tmp-file-mgr.h</a>.</p> |
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| <td class="memname">int impala::TmpFileMgr::File::disk_id_</td> |
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| <p>The id of the disk on which the physical file lies. </p> |
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| <p>Definition at line <a class="el" href="tmp-file-mgr_8h_source.html#l00064">64</a> of file <a class="el" href="tmp-file-mgr_8h_source.html">tmp-file-mgr.h</a>.</p> |
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| <p>Referenced by <a class="el" href="tmp-file-mgr_8h_source.html#l00045">disk_id()</a>.</p> |
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| <td class="memname">std::string impala::TmpFileMgr::File::path_</td> |
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| <p>Path of the physical file in the filesystem. </p> |
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| <p>Definition at line <a class="el" href="tmp-file-mgr_8h_source.html#l00061">61</a> of file <a class="el" href="tmp-file-mgr_8h_source.html">tmp-file-mgr.h</a>.</p> |
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| <p>Referenced by <a class="el" href="tmp-file-mgr_8h_source.html#l00044">path()</a>.</p> |
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| <td class="memname">const std::string impala::TmpFileMgr::File::TMP_SUB_DIR_NAME</td> |
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| <p>The name of the sub-directory that Impala created within each configured scratch directory. </p> |
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| <p>Definition at line <a class="el" href="tmp-file-mgr_8h_source.html#l00052">52</a> of file <a class="el" href="tmp-file-mgr_8h_source.html">tmp-file-mgr.h</a>.</p> |
| |
| </div> |
| </div> |
| <hr/>The documentation for this class was generated from the following files:<ul> |
| <li>be/src/runtime/<a class="el" href="tmp-file-mgr_8h_source.html">tmp-file-mgr.h</a></li> |
| <li>be/src/runtime/<a class="el" href="tmp-file-mgr_8cc_source.html">tmp-file-mgr.cc</a></li> |
| </ul> |
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