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| <div class="title">TableLoadingMgr.java</div> </div> |
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| <a href="TableLoadingMgr_8java.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright 2012 Cloudera Inc.</span></div> |
| <div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div> |
| <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// you may not use this file except in compliance with the License.</span></div> |
| <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// You may obtain a copy of the License at</span></div> |
| <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div> |
| <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div> |
| <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div> |
| <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div> |
| <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// See the License for the specific language governing permissions and</span></div> |
| <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// limitations under the License.</span></div> |
| <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div> |
| <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="keyword">package </span>com.cloudera.impala.catalog;</div> |
| <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div> |
| <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="keyword">import</span> java.util.Collections;</div> |
| <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="keyword">import</span> java.util.HashSet;</div> |
| <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="keyword">import</span> java.util.List;</div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="keyword">import</span> java.util.Map;</div> |
| <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="keyword">import</span> java.util.Set;</div> |
| <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">import</span> java.util.concurrent.Callable;</div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="keyword">import</span> java.util.concurrent.ConcurrentHashMap;</div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="keyword">import</span> java.util.concurrent.ExecutorService;</div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="keyword">import</span> java.util.concurrent.Executors;</div> |
| <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="keyword">import</span> java.util.concurrent.Future;</div> |
| <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">import</span> java.util.concurrent.FutureTask;</div> |
| <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">import</span> java.util.concurrent.LinkedBlockingDeque;</div> |
| <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">import</span> java.util.concurrent.LinkedBlockingQueue;</div> |
| <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div> |
| <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">import</span> org.apache.log4j.Logger;</div> |
| <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div> |
| <div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">import</span> com.cloudera.impala.thrift.TTableName;</div> |
| <div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="keyword">import</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1util_1_1HdfsCachingUtil.html">com.cloudera.impala.util.HdfsCachingUtil</a>;</div> |
| <div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">import</span> com.google.common.base.Preconditions;</div> |
| <div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">import</span> com.google.common.collect.Maps;</div> |
| <div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div> |
| <div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html"> 47</a></span> <span class="keyword">public</span> <span class="keyword">class </span><a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html">TableLoadingMgr</a> {</div> |
| <div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_1_1LoadRequest.html"> 53</a></span>  <span class="keyword">public</span> <span class="keyword">class </span><a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_1_1LoadRequest.html">LoadRequest</a> {</div> |
| <div class="line"><a name="l00054"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_1_1LoadRequest.html#a646b596d9010b8d8f3848af9aaff6c26"> 54</a></span>  <span class="keyword">private</span> <span class="keyword">final</span> Future<Table> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_1_1LoadRequest.html#a646b596d9010b8d8f3848af9aaff6c26">tblTask_</a>;</div> |
| <div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_1_1LoadRequest.html#ab59a831ae674bcc2162f9ce07e02b63f"> 55</a></span>  <span class="keyword">private</span> <span class="keyword">final</span> TTableName <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_1_1LoadRequest.html#ab59a831ae674bcc2162f9ce07e02b63f">tblName_</a>;</div> |
| <div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div> |
| <div class="line"><a name="l00057"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_1_1LoadRequest.html#aff866d86f5132d96e46ae73056777641"> 57</a></span>  <span class="keyword">private</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_1_1LoadRequest.html#aff866d86f5132d96e46ae73056777641">LoadRequest</a>(TTableName tblName, Future<Table> tblTask) {</div> |
| <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_1_1LoadRequest.html#a646b596d9010b8d8f3848af9aaff6c26">tblTask_</a> = tblTask;</div> |
| <div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_1_1LoadRequest.html#ab59a831ae674bcc2162f9ce07e02b63f">tblName_</a> = tblName;</div> |
| <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  }</div> |
| <div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div> |
| <div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_1_1LoadRequest.html#aca5c96eaf03c9b8e5c7d28edafe4c4e9"> 66</a></span>  <span class="keyword">public</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Table.html">Table</a> <span class="keyword">get</span>() {</div> |
| <div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Table.html">Table</a> tbl;</div> |
| <div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">try</span> {</div> |
| <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  tbl = tblTask_.get();</div> |
| <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  } <span class="keywordflow">catch</span> (Exception e) {</div> |
| <div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  tbl = IncompleteTable.createFailedMetadataLoadTable(</div> |
| <div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  TableId.createInvalidId(), <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#a673c1a9a165a32a22e5bd7b99ca33dbc">catalog_</a>.<a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Catalog.html#a5658ea435839f2c30e9c25f045be3270">getDb</a>(<a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_1_1LoadRequest.html#ab59a831ae674bcc2162f9ce07e02b63f">tblName_</a>.getDb_name()),</div> |
| <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_1_1LoadRequest.html#ab59a831ae674bcc2162f9ce07e02b63f">tblName_</a>.getTable_name(), <span class="keyword">new</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingException.html">TableLoadingException</a>(e.getMessage(), e));</div> |
| <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  }</div> |
| <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  Preconditions.checkState(tbl.isLoaded());</div> |
| <div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordflow">return</span> tbl;</div> |
| <div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  }</div> |
| <div class="line"><a name="l00078"></a><span class="lineno"> 78</span> </div> |
| <div class="line"><a name="l00084"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_1_1LoadRequest.html#afa945e959b3e76443e8bf1007e317910"> 84</a></span>  <span class="keyword">public</span> <span class="keywordtype">void</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_1_1LoadRequest.html#afa945e959b3e76443e8bf1007e317910">close</a>() {</div> |
| <div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keyword">synchronized</span> (<a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#adb68f38a3456f15cadc1daed263ab601">loadingTables_</a>) {</div> |
| <div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordflow">if</span> (<a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#adb68f38a3456f15cadc1daed263ab601">loadingTables_</a>.get(<a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_1_1LoadRequest.html#ab59a831ae674bcc2162f9ce07e02b63f">tblName_</a>) == <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_1_1LoadRequest.html#a646b596d9010b8d8f3848af9aaff6c26">tblTask_</a>) <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#adb68f38a3456f15cadc1daed263ab601">loadingTables_</a>.remove(<a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_1_1LoadRequest.html#ab59a831ae674bcc2162f9ce07e02b63f">tblName_</a>);</div> |
| <div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  }</div> |
| <div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  }</div> |
| <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  }</div> |
| <div class="line"><a name="l00090"></a><span class="lineno"> 90</span> </div> |
| <div class="line"><a name="l00091"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#ae9410881b1d9c9468b3f611a0183696b"> 91</a></span>  <span class="keyword">private</span> <span class="keyword">static</span> <span class="keyword">final</span> Logger <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#ae9410881b1d9c9468b3f611a0183696b">LOG</a> = Logger.getLogger(TableLoadingMgr.class);</div> |
| <div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div> |
| <div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="comment">// A thread safe blocking deque that is used to prioritize the loading of table</span></div> |
| <div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="comment">// metadata. The CatalogServer has a background thread that will always add unloaded</span></div> |
| <div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="comment">// tables to the tail of the deque. However, a call to prioritizeLoad() will add</span></div> |
| <div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="comment">// tables to the head of the deque. The next table to load is always taken from the</span></div> |
| <div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="comment">// head of the deque. May contain the same table multiple times, but a second</span></div> |
| <div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="comment">// attempt to load the table metadata will be a no-op.</span></div> |
| <div class="line"><a name="l00099"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#aeb725cb6a0fa4a9127980ea4eab35b44"> 99</a></span>  <span class="keyword">private</span> <span class="keyword">final</span> LinkedBlockingDeque<TTableName> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#aeb725cb6a0fa4a9127980ea4eab35b44">tableLoadingDeque_</a> =</div> |
| <div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keyword">new</span> LinkedBlockingDeque<TTableName>();</div> |
| <div class="line"><a name="l00101"></a><span class="lineno"> 101</span> </div> |
| <div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="comment">// A thread safe HashSet of table names that are in the tableLoadingDeque_. Used to</span></div> |
| <div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="comment">// efficiently check for existence of items in the deque.</span></div> |
| <div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="comment">// Updates may lead/lag updates to the tableLoadingDeque_ - they are added to this set</span></div> |
| <div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="comment">// immediately before being added to the deque and removed immediately after removing</span></div> |
| <div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="comment">// from the deque. The fact the updates are not synchronized shouldn't impact</span></div> |
| <div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="comment">// functionality since this set is only used for efficient lookups.</span></div> |
| <div class="line"><a name="l00108"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#afda21600d26d6e4b1cc6f43f451fa7ca"> 108</a></span>  <span class="keyword">private</span> <span class="keyword">final</span> Set<TTableName> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#afda21600d26d6e4b1cc6f43f451fa7ca">tableLoadingSet_</a> =</div> |
| <div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  Collections.synchronizedSet(<span class="keyword">new</span> HashSet<TTableName>());</div> |
| <div class="line"><a name="l00110"></a><span class="lineno"> 110</span> </div> |
| <div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="comment">// Map of table name to a FutureTask associated with the table load. Used to</span></div> |
| <div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="comment">// prevent duplicate loads of the same table.</span></div> |
| <div class="line"><a name="l00113"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#adb68f38a3456f15cadc1daed263ab601"> 113</a></span>  <span class="keyword">private</span> <span class="keyword">final</span> ConcurrentHashMap<TTableName, FutureTask<Table>> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#adb68f38a3456f15cadc1daed263ab601">loadingTables_</a> =</div> |
| <div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keyword">new</span> ConcurrentHashMap<TTableName, FutureTask<Table>>();</div> |
| <div class="line"><a name="l00115"></a><span class="lineno"> 115</span> </div> |
| <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="comment">// Map of table name to the cache directives that are being waited on for that table.</span></div> |
| <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="comment">// Once all directives have completed, the table's metadata will be refreshed and</span></div> |
| <div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="comment">// the table will be removed from this map.</span></div> |
| <div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="comment">// A caching operation may take a long time to complete, so to maximize query</span></div> |
| <div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="comment">// throughput it is preferable to allow the user to continue to run queries against</span></div> |
| <div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="comment">// the table while a cache request completes in the background.</span></div> |
| <div class="line"><a name="l00122"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#aed247bf503440ecd068658d8a0e1f325"> 122</a></span>  <span class="keyword">private</span> <span class="keyword">final</span> Map<TTableName, List<Long>> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#aed247bf503440ecd068658d8a0e1f325">pendingTableCacheDirs_</a> = Maps.newHashMap();</div> |
| <div class="line"><a name="l00123"></a><span class="lineno"> 123</span> </div> |
| <div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="comment">// The number of parallel threads to use to load table metadata. Should be set to a</span></div> |
| <div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="comment">// value that provides good throughput while not putting too much stress on the</span></div> |
| <div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="comment">// metastore.</span></div> |
| <div class="line"><a name="l00127"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#abad3f4b50c3bb18c79f1b007c1015a3a"> 127</a></span>  <span class="keyword">private</span> <span class="keyword">final</span> <span class="keywordtype">int</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#abad3f4b50c3bb18c79f1b007c1015a3a">numLoadingThreads_</a>;</div> |
| <div class="line"><a name="l00128"></a><span class="lineno"> 128</span> </div> |
| <div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="comment">// Pool of numLoadingThreads_ threads that loads table metadata. If additional tasks</span></div> |
| <div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="comment">// are submitted to the pool after it is full, they will be queued and executed when</span></div> |
| <div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="comment">// the next thread becomes available. There is no hard upper limit on the number of</span></div> |
| <div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="comment">// pending tasks (no work will be rejected, but memory consumption is unbounded).</span></div> |
| <div class="line"><a name="l00133"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#a37ff81e2cf4bac0546a9bea35256bb07"> 133</a></span>  <span class="keyword">private</span> <span class="keyword">final</span> ExecutorService <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#a37ff81e2cf4bac0546a9bea35256bb07">tblLoadingPool_</a>;</div> |
| <div class="line"><a name="l00134"></a><span class="lineno"> 134</span> </div> |
| <div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="comment">// Thread that incrementally refreshes tables in the background. Used to update a</span></div> |
| <div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="comment">// table's metadata after a long running operation completes, such as marking a</span></div> |
| <div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="comment">// table as cached. There is no hard upper limit on the number of pending tasks</span></div> |
| <div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="comment">// (no work will be rejected, but memory consumption is unbounded). If this thread</span></div> |
| <div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="comment">// dies it will be automatically restarted.</span></div> |
| <div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="comment">// The tables to process are read from the resfreshThreadWork_ queue.</span></div> |
| <div class="line"><a name="l00141"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#a528286b30f722d3f61454f4f8d2aa5a9"> 141</a></span>  ExecutorService <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#a528286b30f722d3f61454f4f8d2aa5a9">asyncRefreshThread_</a> = Executors.newSingleThreadExecutor();</div> |
| <div class="line"><a name="l00142"></a><span class="lineno"> 142</span> </div> |
| <div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="comment">// Tables for the async refresh thread to process. Synchronization must be handled</span></div> |
| <div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="comment">// externally.</span></div> |
| <div class="line"><a name="l00145"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#aba81d44f8a726f3e0b47a1971f23c968"> 145</a></span>  <span class="keyword">private</span> <span class="keyword">final</span> LinkedBlockingQueue<TTableName> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#aba81d44f8a726f3e0b47a1971f23c968">refreshThreadWork_</a> =</div> |
| <div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keyword">new</span> LinkedBlockingQueue<TTableName>();</div> |
| <div class="line"><a name="l00147"></a><span class="lineno"> 147</span> </div> |
| <div class="line"><a name="l00148"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#a673c1a9a165a32a22e5bd7b99ca33dbc"> 148</a></span>  <span class="keyword">private</span> <span class="keyword">final</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1CatalogServiceCatalog.html">CatalogServiceCatalog</a> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#a673c1a9a165a32a22e5bd7b99ca33dbc">catalog_</a>;</div> |
| <div class="line"><a name="l00149"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#a91921cf8eff17cb1eff5313513a47da7"> 149</a></span>  <span class="keyword">private</span> <span class="keyword">final</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoader.html">TableLoader</a> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#a91921cf8eff17cb1eff5313513a47da7">tblLoader_</a>;</div> |
| <div class="line"><a name="l00150"></a><span class="lineno"> 150</span> </div> |
| <div class="line"><a name="l00151"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#a8d33403ca055dc655676707ac1a1ba86"> 151</a></span>  <span class="keyword">public</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#a8d33403ca055dc655676707ac1a1ba86">TableLoadingMgr</a>(<a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1CatalogServiceCatalog.html">CatalogServiceCatalog</a> catalog, <span class="keywordtype">int</span> numLoadingThreads) {</div> |
| <div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#a673c1a9a165a32a22e5bd7b99ca33dbc">catalog_</a> = catalog;</div> |
| <div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#a91921cf8eff17cb1eff5313513a47da7">tblLoader_</a> = <span class="keyword">new</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoader.html">TableLoader</a>(<a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#a673c1a9a165a32a22e5bd7b99ca33dbc">catalog_</a>);</div> |
| <div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#abad3f4b50c3bb18c79f1b007c1015a3a">numLoadingThreads_</a> = numLoadingThreads;</div> |
| <div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#a37ff81e2cf4bac0546a9bea35256bb07">tblLoadingPool_</a> = Executors.newFixedThreadPool(<a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#abad3f4b50c3bb18c79f1b007c1015a3a">numLoadingThreads_</a>);</div> |
| <div class="line"><a name="l00156"></a><span class="lineno"> 156</span> </div> |
| <div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="comment">// Start the background table loading threads.</span></div> |
| <div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#a1d814bde101c0d00d78e93e221fcd07f">startTableLoadingThreads</a>();</div> |
| <div class="line"><a name="l00159"></a><span class="lineno"> 159</span> </div> |
| <div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="comment">// Start the asyncRefreshThread_. Currently used to wait for cache directives to</span></div> |
| <div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="comment">// complete in the background.</span></div> |
| <div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  asyncRefreshThread_.submit(<span class="keyword">new</span> Callable<Void>() {</div> |
| <div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  @Override</div> |
| <div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keyword">public</span> Void call() <span class="keywordflow">throws</span> Exception {</div> |
| <div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">while</span>(<span class="keyword">true</span>) {</div> |
| <div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#a6c6e885842da14a6875b0f54306e4107">execAsyncRefreshWork</a>(<a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#aba81d44f8a726f3e0b47a1971f23c968">refreshThreadWork_</a>.take());</div> |
| <div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  }</div> |
| <div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  }});</div> |
| <div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  }</div> |
| <div class="line"><a name="l00170"></a><span class="lineno"> 170</span> </div> |
| <div class="line"><a name="l00174"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#aa57d3cf2a5e16880fa0dbef58ae17fbc"> 174</a></span>  <span class="keyword">public</span> <span class="keywordtype">void</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#aa57d3cf2a5e16880fa0dbef58ae17fbc">prioritizeLoad</a>(TTableName tblName) {</div> |
| <div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  tableLoadingSet_.add(tblName);</div> |
| <div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  tableLoadingDeque_.offerFirst(tblName);</div> |
| <div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  }</div> |
| <div class="line"><a name="l00178"></a><span class="lineno"> 178</span> </div> |
| <div class="line"><a name="l00182"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#a5a29543041f030febf2cce83c231a3e4"> 182</a></span>  <span class="keyword">public</span> <span class="keywordtype">void</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#a5a29543041f030febf2cce83c231a3e4">backgroundLoad</a>(TTableName tblName) {</div> |
| <div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="comment">// Only queue for background loading if the table doesn't already exist</span></div> |
| <div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="comment">// in the table loading set.</span></div> |
| <div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keywordflow">if</span> (<a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#afda21600d26d6e4b1cc6f43f451fa7ca">tableLoadingSet_</a>.add(tblName)) {</div> |
| <div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  tableLoadingDeque_.offerLast(tblName);</div> |
| <div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  }</div> |
| <div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  }</div> |
| <div class="line"><a name="l00189"></a><span class="lineno"> 189</span> </div> |
| <div class="line"><a name="l00197"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#a7b961e7f5aa998e93f81fb8d912fdeb2"> 197</a></span>  <span class="keyword">public</span> <span class="keywordtype">void</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#a7b961e7f5aa998e93f81fb8d912fdeb2">watchCacheDirs</a>(List<Long> cacheDirIds, <span class="keyword">final</span> TTableName tblName) {</div> |
| <div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keyword">synchronized</span> (<a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#aed247bf503440ecd068658d8a0e1f325">pendingTableCacheDirs_</a>) {</div> |
| <div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="comment">// A single table may have multiple pending cache requests since one request</span></div> |
| <div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="comment">// gets submitted per-partition.</span></div> |
| <div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  List<Long> existingCacheReqIds = pendingTableCacheDirs_.get(tblName);</div> |
| <div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keywordflow">if</span> (existingCacheReqIds == null) {</div> |
| <div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  existingCacheReqIds = cacheDirIds;</div> |
| <div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  pendingTableCacheDirs_.put(tblName, cacheDirIds);</div> |
| <div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  refreshThreadWork_.add(tblName);</div> |
| <div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  existingCacheReqIds.addAll(cacheDirIds);</div> |
| <div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  }</div> |
| <div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  }</div> |
| <div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  }</div> |
| <div class="line"><a name="l00211"></a><span class="lineno"> 211</span> </div> |
| <div class="line"><a name="l00221"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#a476931a308c59cd42352de5917b89962"> 221</a></span>  <span class="keyword">public</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_1_1LoadRequest.html">LoadRequest</a> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#a476931a308c59cd42352de5917b89962">loadAsync</a>(<span class="keyword">final</span> TTableName tblName, <span class="keyword">final</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Table.html">Table</a> previousTbl)</div> |
| <div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keywordflow">throws</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1DatabaseNotFoundException.html">DatabaseNotFoundException</a> {</div> |
| <div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keyword">final</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Db.html">Db</a> parentDb = catalog_.getDb(tblName.getDb_name());</div> |
| <div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keywordflow">if</span> (parentDb == null) {</div> |
| <div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keywordflow">throw</span> <span class="keyword">new</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1DatabaseNotFoundException.html">DatabaseNotFoundException</a>(</div> |
| <div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="stringliteral">"Database '"</span> + tblName.getDb_name() + <span class="stringliteral">"' was not found."</span>);</div> |
| <div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  }</div> |
| <div class="line"><a name="l00228"></a><span class="lineno"> 228</span> </div> |
| <div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  FutureTask<Table> tableLoadTask = <span class="keyword">new</span> FutureTask<Table>(<span class="keyword">new</span> Callable<Table>() {</div> |
| <div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  @Override</div> |
| <div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="keyword">public</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Table.html">Table</a> call() <span class="keywordflow">throws</span> Exception {</div> |
| <div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="keywordflow">return</span> tblLoader_.load(parentDb, tblName.table_name,</div> |
| <div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  previousTbl);</div> |
| <div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  }});</div> |
| <div class="line"><a name="l00235"></a><span class="lineno"> 235</span> </div> |
| <div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  FutureTask<Table> existingValue = loadingTables_.putIfAbsent(tblName, tableLoadTask);</div> |
| <div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="keywordflow">if</span> (existingValue == null) {</div> |
| <div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="comment">// There was no existing value, submit a new load request.</span></div> |
| <div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  tblLoadingPool_.execute(tableLoadTask);</div> |
| <div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  tableLoadTask = existingValue;</div> |
| <div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  }</div> |
| <div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_1_1LoadRequest.html">LoadRequest</a>(tblName, tableLoadTask);</div> |
| <div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  }</div> |
| <div class="line"><a name="l00245"></a><span class="lineno"> 245</span> </div> |
| <div class="line"><a name="l00251"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#a1d814bde101c0d00d78e93e221fcd07f"> 251</a></span>  <span class="keyword">private</span> <span class="keywordtype">void</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#a1d814bde101c0d00d78e93e221fcd07f">startTableLoadingThreads</a>() {</div> |
| <div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  ExecutorService loadingPool = Executors.newFixedThreadPool(<a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#abad3f4b50c3bb18c79f1b007c1015a3a">numLoadingThreads_</a>);</div> |
| <div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="keywordflow">try</span> {</div> |
| <div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#abad3f4b50c3bb18c79f1b007c1015a3a">numLoadingThreads_</a>; ++i) {</div> |
| <div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  loadingPool.execute(<span class="keyword">new</span> <a class="code" href="classRunnable.html">Runnable</a>() {</div> |
| <div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  @Override</div> |
| <div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="keyword">public</span> <span class="keywordtype">void</span> run() {</div> |
| <div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="keywordflow">while</span> (<span class="keyword">true</span>) {</div> |
| <div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <span class="keywordflow">try</span> {</div> |
| <div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#a26dbdcfc8997d77b8581d8145edbb6a7">loadNextTable</a>();</div> |
| <div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  } <span class="keywordflow">catch</span> (Exception e) {</div> |
| <div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  LOG.error(<span class="stringliteral">"Error loading table: "</span>, e);</div> |
| <div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="comment">// Ignore exception.</span></div> |
| <div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  }</div> |
| <div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  }</div> |
| <div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  }</div> |
| <div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  });</div> |
| <div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  }</div> |
| <div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  } <span class="keywordflow">finally</span> {</div> |
| <div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  loadingPool.shutdown();</div> |
| <div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  }</div> |
| <div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  }</div> |
| <div class="line"><a name="l00273"></a><span class="lineno"> 273</span> </div> |
| <div class="line"><a name="l00278"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#a26dbdcfc8997d77b8581d8145edbb6a7"> 278</a></span>  <span class="keyword">private</span> <span class="keywordtype">void</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#a26dbdcfc8997d77b8581d8145edbb6a7">loadNextTable</a>() throws InterruptedException {</div> |
| <div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="comment">// Always get the next table from the head of the deque.</span></div> |
| <div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="keyword">final</span> TTableName tblName = tableLoadingDeque_.takeFirst();</div> |
| <div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  tableLoadingSet_.remove(tblName);</div> |
| <div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  LOG.debug(<span class="stringliteral">"Loading next table. Remaining items in queue: "</span></div> |
| <div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  + tableLoadingDeque_.size());</div> |
| <div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="keywordflow">try</span> {</div> |
| <div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="comment">// TODO: Instead of calling "getOrLoad" here we could call "loadAsync". We would</span></div> |
| <div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="comment">// just need to add a mechanism for moving loaded tables into the Catalog.</span></div> |
| <div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  catalog_.getOrLoadTable(tblName.getDb_name(), tblName.getTable_name());</div> |
| <div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  } <span class="keywordflow">catch</span> (<a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1CatalogException.html">CatalogException</a> e) {</div> |
| <div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="comment">// Ignore.</span></div> |
| <div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  }</div> |
| <div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  }</div> |
| <div class="line"><a name="l00292"></a><span class="lineno"> 292</span> </div> |
| <div class="line"><a name="l00296"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#a6c6e885842da14a6875b0f54306e4107"> 296</a></span>  <span class="keyword">private</span> <span class="keywordtype">void</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#a6c6e885842da14a6875b0f54306e4107">execAsyncRefreshWork</a>(TTableName tblName) {</div> |
| <div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="keywordflow">if</span> (!<a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#a0c0d236e69f96892f55cc77f01243452">waitForCacheDirs</a>(tblName)) <span class="keywordflow">return</span>;</div> |
| <div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <span class="keywordflow">try</span> {</div> |
| <div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="comment">// Reload the table metadata to pickup the new cached block location information.</span></div> |
| <div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  catalog_.reloadTable(tblName);</div> |
| <div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  } <span class="keywordflow">catch</span> (<a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1CatalogException.html">CatalogException</a> e) {</div> |
| <div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  LOG.error(<span class="stringliteral">"Error reloading cached table: "</span>, e);</div> |
| <div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  }</div> |
| <div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  }</div> |
| <div class="line"><a name="l00305"></a><span class="lineno"> 305</span> </div> |
| <div class="line"><a name="l00310"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#a0c0d236e69f96892f55cc77f01243452"> 310</a></span>  <span class="keyword">private</span> <span class="keywordtype">boolean</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#a0c0d236e69f96892f55cc77f01243452">waitForCacheDirs</a>(TTableName tblName) {</div> |
| <div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <span class="keywordtype">boolean</span> isRefreshNeeded = <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <span class="comment">// Keep processing cache directives for this table until there are none left.</span></div> |
| <div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <span class="keywordflow">while</span> (<span class="keyword">true</span>) {</div> |
| <div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="comment">// Get all pending requests for this table.</span></div> |
| <div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  List<Long> cacheDirIds = null;</div> |
| <div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="keyword">synchronized</span> (<a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#aed247bf503440ecd068658d8a0e1f325">pendingTableCacheDirs_</a>) {</div> |
| <div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  cacheDirIds = pendingTableCacheDirs_.remove(tblName);</div> |
| <div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  }</div> |
| <div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <span class="keywordflow">if</span> (cacheDirIds == null || cacheDirIds.size() == 0) <span class="keywordflow">return</span> isRefreshNeeded;</div> |
| <div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  isRefreshNeeded = <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00321"></a><span class="lineno"> 321</span> </div> |
| <div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <span class="comment">// Wait for each cache request to complete.</span></div> |
| <div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <span class="keywordflow">for</span> (Long dirId: cacheDirIds) {</div> |
| <div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <span class="keywordflow">if</span> (dirId == null) <span class="keywordflow">continue</span>;</div> |
| <div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="keywordflow">try</span> {</div> |
| <div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  HdfsCachingUtil.waitForDirective(dirId);</div> |
| <div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  } <span class="keywordflow">catch</span> (Exception e) {</div> |
| <div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  LOG.error(String.format(</div> |
| <div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  <span class="stringliteral">"Error waiting for cache request %d to complete: "</span>, dirId), e);</div> |
| <div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  }</div> |
| <div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  }</div> |
| <div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  }</div> |
| <div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  }</div> |
| <div class="line"><a name="l00334"></a><span class="lineno"> 334</span> }</div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_html_a673c1a9a165a32a22e5bd7b99ca33dbc"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#a673c1a9a165a32a22e5bd7b99ca33dbc">com.cloudera.impala.catalog.TableLoadingMgr.catalog_</a></div><div class="ttdeci">final CatalogServiceCatalog catalog_</div><div class="ttdef"><b>Definition:</b> <a href="TableLoadingMgr_8java_source.html#l00148">TableLoadingMgr.java:148</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_html_a6c6e885842da14a6875b0f54306e4107"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#a6c6e885842da14a6875b0f54306e4107">com.cloudera.impala.catalog.TableLoadingMgr.execAsyncRefreshWork</a></div><div class="ttdeci">void execAsyncRefreshWork(TTableName tblName)</div><div class="ttdef"><b>Definition:</b> <a href="TableLoadingMgr_8java_source.html#l00296">TableLoadingMgr.java:296</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Table_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Table.html">com.cloudera.impala.catalog.Table</a></div><div class="ttdef"><b>Definition:</b> <a href="Table_8java_source.html#l00051">Table.java:51</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1catalog_1_1CatalogServiceCatalog_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1CatalogServiceCatalog.html">com.cloudera.impala.catalog.CatalogServiceCatalog</a></div><div class="ttdef"><b>Definition:</b> <a href="CatalogServiceCatalog_8java_source.html#l00081">CatalogServiceCatalog.java:81</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_1_1LoadRequest_html_ab59a831ae674bcc2162f9ce07e02b63f"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_1_1LoadRequest.html#ab59a831ae674bcc2162f9ce07e02b63f">com.cloudera.impala.catalog.TableLoadingMgr.LoadRequest.tblName_</a></div><div class="ttdeci">final TTableName tblName_</div><div class="ttdef"><b>Definition:</b> <a href="TableLoadingMgr_8java_source.html#l00055">TableLoadingMgr.java:55</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_html_aeb725cb6a0fa4a9127980ea4eab35b44"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#aeb725cb6a0fa4a9127980ea4eab35b44">com.cloudera.impala.catalog.TableLoadingMgr.tableLoadingDeque_</a></div><div class="ttdeci">final LinkedBlockingDeque< TTableName > tableLoadingDeque_</div><div class="ttdef"><b>Definition:</b> <a href="TableLoadingMgr_8java_source.html#l00099">TableLoadingMgr.java:99</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Catalog_html_a5658ea435839f2c30e9c25f045be3270"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Catalog.html#a5658ea435839f2c30e9c25f045be3270">com.cloudera.impala.catalog.Catalog.getDb</a></div><div class="ttdeci">Db getDb(String dbName)</div><div class="ttdef"><b>Definition:</b> <a href="Catalog_8java_source.html#l00115">Catalog.java:115</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_html_a528286b30f722d3f61454f4f8d2aa5a9"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#a528286b30f722d3f61454f4f8d2aa5a9">com.cloudera.impala.catalog.TableLoadingMgr.asyncRefreshThread_</a></div><div class="ttdeci">ExecutorService asyncRefreshThread_</div><div class="ttdef"><b>Definition:</b> <a href="TableLoadingMgr_8java_source.html#l00141">TableLoadingMgr.java:141</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_html_ae9410881b1d9c9468b3f611a0183696b"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#ae9410881b1d9c9468b3f611a0183696b">com.cloudera.impala.catalog.TableLoadingMgr.LOG</a></div><div class="ttdeci">static final Logger LOG</div><div class="ttdef"><b>Definition:</b> <a href="TableLoadingMgr_8java_source.html#l00091">TableLoadingMgr.java:91</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoader_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoader.html">com.cloudera.impala.catalog.TableLoader</a></div><div class="ttdef"><b>Definition:</b> <a href="TableLoader_8java_source.html#l00029">TableLoader.java:29</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_html_a91921cf8eff17cb1eff5313513a47da7"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#a91921cf8eff17cb1eff5313513a47da7">com.cloudera.impala.catalog.TableLoadingMgr.tblLoader_</a></div><div class="ttdeci">final TableLoader tblLoader_</div><div class="ttdef"><b>Definition:</b> <a href="TableLoadingMgr_8java_source.html#l00149">TableLoadingMgr.java:149</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_html_a26dbdcfc8997d77b8581d8145edbb6a7"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#a26dbdcfc8997d77b8581d8145edbb6a7">com.cloudera.impala.catalog.TableLoadingMgr.loadNextTable</a></div><div class="ttdeci">void loadNextTable()</div><div class="ttdef"><b>Definition:</b> <a href="TableLoadingMgr_8java_source.html#l00278">TableLoadingMgr.java:278</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_1_1LoadRequest_html_a646b596d9010b8d8f3848af9aaff6c26"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_1_1LoadRequest.html#a646b596d9010b8d8f3848af9aaff6c26">com.cloudera.impala.catalog.TableLoadingMgr.LoadRequest.tblTask_</a></div><div class="ttdeci">final Future< Table > tblTask_</div><div class="ttdef"><b>Definition:</b> <a href="TableLoadingMgr_8java_source.html#l00054">TableLoadingMgr.java:54</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_html_a0c0d236e69f96892f55cc77f01243452"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#a0c0d236e69f96892f55cc77f01243452">com.cloudera.impala.catalog.TableLoadingMgr.waitForCacheDirs</a></div><div class="ttdeci">boolean waitForCacheDirs(TTableName tblName)</div><div class="ttdef"><b>Definition:</b> <a href="TableLoadingMgr_8java_source.html#l00310">TableLoadingMgr.java:310</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_html_aa57d3cf2a5e16880fa0dbef58ae17fbc"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#aa57d3cf2a5e16880fa0dbef58ae17fbc">com.cloudera.impala.catalog.TableLoadingMgr.prioritizeLoad</a></div><div class="ttdeci">void prioritizeLoad(TTableName tblName)</div><div class="ttdef"><b>Definition:</b> <a href="TableLoadingMgr_8java_source.html#l00174">TableLoadingMgr.java:174</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html">com.cloudera.impala.catalog.TableLoadingMgr</a></div><div class="ttdef"><b>Definition:</b> <a href="TableLoadingMgr_8java_source.html#l00047">TableLoadingMgr.java:47</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_html_a37ff81e2cf4bac0546a9bea35256bb07"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#a37ff81e2cf4bac0546a9bea35256bb07">com.cloudera.impala.catalog.TableLoadingMgr.tblLoadingPool_</a></div><div class="ttdeci">final ExecutorService tblLoadingPool_</div><div class="ttdef"><b>Definition:</b> <a href="TableLoadingMgr_8java_source.html#l00133">TableLoadingMgr.java:133</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_html_a1d814bde101c0d00d78e93e221fcd07f"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#a1d814bde101c0d00d78e93e221fcd07f">com.cloudera.impala.catalog.TableLoadingMgr.startTableLoadingThreads</a></div><div class="ttdeci">void startTableLoadingThreads()</div><div class="ttdef"><b>Definition:</b> <a href="TableLoadingMgr_8java_source.html#l00251">TableLoadingMgr.java:251</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_html_abad3f4b50c3bb18c79f1b007c1015a3a"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#abad3f4b50c3bb18c79f1b007c1015a3a">com.cloudera.impala.catalog.TableLoadingMgr.numLoadingThreads_</a></div><div class="ttdeci">final int numLoadingThreads_</div><div class="ttdef"><b>Definition:</b> <a href="TableLoadingMgr_8java_source.html#l00127">TableLoadingMgr.java:127</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_html_a8d33403ca055dc655676707ac1a1ba86"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#a8d33403ca055dc655676707ac1a1ba86">com.cloudera.impala.catalog.TableLoadingMgr.TableLoadingMgr</a></div><div class="ttdeci">TableLoadingMgr(CatalogServiceCatalog catalog, int numLoadingThreads)</div><div class="ttdef"><b>Definition:</b> <a href="TableLoadingMgr_8java_source.html#l00151">TableLoadingMgr.java:151</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1catalog_1_1DatabaseNotFoundException_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1DatabaseNotFoundException.html">com.cloudera.impala.catalog.DatabaseNotFoundException</a></div><div class="ttdef"><b>Definition:</b> <a href="DatabaseNotFoundException_8java_source.html#l00021">DatabaseNotFoundException.java:21</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_1_1LoadRequest_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_1_1LoadRequest.html">com.cloudera.impala.catalog.TableLoadingMgr.LoadRequest</a></div><div class="ttdef"><b>Definition:</b> <a href="TableLoadingMgr_8java_source.html#l00053">TableLoadingMgr.java:53</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1catalog_1_1CatalogException_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1CatalogException.html">com.cloudera.impala.catalog.CatalogException</a></div><div class="ttdef"><b>Definition:</b> <a href="CatalogException_8java_source.html#l00022">CatalogException.java:22</a></div></div> |
| <div class="ttc" id="classRunnable_html"><div class="ttname"><a href="classRunnable.html">Runnable</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_html_aed247bf503440ecd068658d8a0e1f325"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#aed247bf503440ecd068658d8a0e1f325">com.cloudera.impala.catalog.TableLoadingMgr.pendingTableCacheDirs_</a></div><div class="ttdeci">final Map< TTableName, List< Long > > pendingTableCacheDirs_</div><div class="ttdef"><b>Definition:</b> <a href="TableLoadingMgr_8java_source.html#l00122">TableLoadingMgr.java:122</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_html_a5a29543041f030febf2cce83c231a3e4"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#a5a29543041f030febf2cce83c231a3e4">com.cloudera.impala.catalog.TableLoadingMgr.backgroundLoad</a></div><div class="ttdeci">void backgroundLoad(TTableName tblName)</div><div class="ttdef"><b>Definition:</b> <a href="TableLoadingMgr_8java_source.html#l00182">TableLoadingMgr.java:182</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_html_aba81d44f8a726f3e0b47a1971f23c968"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#aba81d44f8a726f3e0b47a1971f23c968">com.cloudera.impala.catalog.TableLoadingMgr.refreshThreadWork_</a></div><div class="ttdeci">final LinkedBlockingQueue< TTableName > refreshThreadWork_</div><div class="ttdef"><b>Definition:</b> <a href="TableLoadingMgr_8java_source.html#l00145">TableLoadingMgr.java:145</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1util_1_1HdfsCachingUtil_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1util_1_1HdfsCachingUtil.html">com.cloudera.impala.util.HdfsCachingUtil</a></div><div class="ttdef"><b>Definition:</b> <a href="HdfsCachingUtil_8java_source.html#l00042">HdfsCachingUtil.java:42</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Db_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Db.html">com.cloudera.impala.catalog.Db</a></div><div class="ttdef"><b>Definition:</b> <a href="Db_8java_source.html#l00044">Db.java:44</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_html_afda21600d26d6e4b1cc6f43f451fa7ca"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#afda21600d26d6e4b1cc6f43f451fa7ca">com.cloudera.impala.catalog.TableLoadingMgr.tableLoadingSet_</a></div><div class="ttdeci">final Set< TTableName > tableLoadingSet_</div><div class="ttdef"><b>Definition:</b> <a href="TableLoadingMgr_8java_source.html#l00108">TableLoadingMgr.java:108</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_1_1LoadRequest_html_aff866d86f5132d96e46ae73056777641"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_1_1LoadRequest.html#aff866d86f5132d96e46ae73056777641">com.cloudera.impala.catalog.TableLoadingMgr.LoadRequest.LoadRequest</a></div><div class="ttdeci">LoadRequest(TTableName tblName, Future< Table > tblTask)</div><div class="ttdef"><b>Definition:</b> <a href="TableLoadingMgr_8java_source.html#l00057">TableLoadingMgr.java:57</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_html_a7b961e7f5aa998e93f81fb8d912fdeb2"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#a7b961e7f5aa998e93f81fb8d912fdeb2">com.cloudera.impala.catalog.TableLoadingMgr.watchCacheDirs</a></div><div class="ttdeci">void watchCacheDirs(List< Long > cacheDirIds, final TTableName tblName)</div><div class="ttdef"><b>Definition:</b> <a href="TableLoadingMgr_8java_source.html#l00197">TableLoadingMgr.java:197</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_html_adb68f38a3456f15cadc1daed263ab601"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#adb68f38a3456f15cadc1daed263ab601">com.cloudera.impala.catalog.TableLoadingMgr.loadingTables_</a></div><div class="ttdeci">final ConcurrentHashMap< TTableName, FutureTask< Table > > loadingTables_</div><div class="ttdef"><b>Definition:</b> <a href="TableLoadingMgr_8java_source.html#l00113">TableLoadingMgr.java:113</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_html_a476931a308c59cd42352de5917b89962"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr.html#a476931a308c59cd42352de5917b89962">com.cloudera.impala.catalog.TableLoadingMgr.loadAsync</a></div><div class="ttdeci">LoadRequest loadAsync(final TTableName tblName, final Table previousTbl)</div><div class="ttdef"><b>Definition:</b> <a href="TableLoadingMgr_8java_source.html#l00221">TableLoadingMgr.java:221</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingException_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingException.html">com.cloudera.impala.catalog.TableLoadingException</a></div><div class="ttdef"><b>Definition:</b> <a href="TableLoadingException_8java_source.html#l00021">TableLoadingException.java:21</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_1_1LoadRequest_html_afa945e959b3e76443e8bf1007e317910"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1TableLoadingMgr_1_1LoadRequest.html#afa945e959b3e76443e8bf1007e317910">com.cloudera.impala.catalog.TableLoadingMgr.LoadRequest.close</a></div><div class="ttdeci">void close()</div><div class="ttdef"><b>Definition:</b> <a href="TableLoadingMgr_8java_source.html#l00084">TableLoadingMgr.java:84</a></div></div> |
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