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| <h1 title="Package" class="title">Package org.apache.hadoop.mapreduce.v2.hs</h1> |
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| <th class="colFirst" scope="col">Interface</th> |
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| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/mapreduce/v2/hs/HistoryContext.html" title="interface in org.apache.hadoop.mapreduce.v2.hs">HistoryContext</a></td> |
| <td class="colLast"> </td> |
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| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/mapreduce/v2/hs/HistoryStorage.html" title="interface in org.apache.hadoop.mapreduce.v2.hs">HistoryStorage</a></td> |
| <td class="colLast"> |
| <div class="block">Provides an API to query jobs that have finished.</div> |
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| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/mapreduce/v2/hs/CachedHistoryStorage.html" title="class in org.apache.hadoop.mapreduce.v2.hs">CachedHistoryStorage</a></td> |
| <td class="colLast"> |
| <div class="block">Manages an in memory cache of parsed Job History files.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/mapreduce/v2/hs/CompletedJob.html" title="class in org.apache.hadoop.mapreduce.v2.hs">CompletedJob</a></td> |
| <td class="colLast"> |
| <div class="block">Loads the basic job level data upfront.</div> |
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| </tr> |
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| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/mapreduce/v2/hs/CompletedTask.html" title="class in org.apache.hadoop.mapreduce.v2.hs">CompletedTask</a></td> |
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| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/mapreduce/v2/hs/CompletedTaskAttempt.html" title="class in org.apache.hadoop.mapreduce.v2.hs">CompletedTaskAttempt</a></td> |
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| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/mapreduce/v2/hs/HistoryClientService.html" title="class in org.apache.hadoop.mapreduce.v2.hs">HistoryClientService</a></td> |
| <td class="colLast"> |
| <div class="block">This module is responsible for talking to the |
| JobClient (user facing).</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/mapreduce/v2/hs/HistoryFileManager.html" title="class in org.apache.hadoop.mapreduce.v2.hs">HistoryFileManager</a></td> |
| <td class="colLast"> |
| <div class="block">This class provides a way to interact with history files in a thread safe |
| manor.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/mapreduce/v2/hs/HistoryServerFileSystemStateStoreService.html" title="class in org.apache.hadoop.mapreduce.v2.hs">HistoryServerFileSystemStateStoreService</a></td> |
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| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/mapreduce/v2/hs/HistoryServerLeveldbStateStoreService.html" title="class in org.apache.hadoop.mapreduce.v2.hs">HistoryServerLeveldbStateStoreService</a></td> |
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| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/mapreduce/v2/hs/HistoryServerNullStateStoreService.html" title="class in org.apache.hadoop.mapreduce.v2.hs">HistoryServerNullStateStoreService</a></td> |
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| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/mapreduce/v2/hs/HistoryServerStateStoreService.html" title="class in org.apache.hadoop.mapreduce.v2.hs">HistoryServerStateStoreService</a></td> |
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| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/mapreduce/v2/hs/HistoryServerStateStoreService.HistoryServerState.html" title="class in org.apache.hadoop.mapreduce.v2.hs">HistoryServerStateStoreService.HistoryServerState</a></td> |
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| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/mapreduce/v2/hs/HistoryServerStateStoreServiceFactory.html" title="class in org.apache.hadoop.mapreduce.v2.hs">HistoryServerStateStoreServiceFactory</a></td> |
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| <td class="colLast"> </td> |
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| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/mapreduce/v2/hs/HSProxies.html" title="class in org.apache.hadoop.mapreduce.v2.hs">HSProxies</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/mapreduce/v2/hs/JHSDelegationTokenSecretManager.html" title="class in org.apache.hadoop.mapreduce.v2.hs">JHSDelegationTokenSecretManager</a></td> |
| <td class="colLast"> |
| <div class="block">A MapReduce specific delegation token secret manager.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/mapreduce/v2/hs/JobHistory.html" title="class in org.apache.hadoop.mapreduce.v2.hs">JobHistory</a></td> |
| <td class="colLast"> |
| <div class="block">Loads and manages the Job history cache.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/mapreduce/v2/hs/JobHistoryServer.html" title="class in org.apache.hadoop.mapreduce.v2.hs">JobHistoryServer</a></td> |
| <td class="colLast"> |
| <div class="block"><a href="../../../../../../org/apache/hadoop/mapreduce/v2/hs/JobHistoryServer.html" title="class in org.apache.hadoop.mapreduce.v2.hs"><code>JobHistoryServer</code></a> is responsible for servicing all job history |
| related requests from client.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/mapreduce/v2/hs/PartialJob.html" title="class in org.apache.hadoop.mapreduce.v2.hs">PartialJob</a></td> |
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| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/mapreduce/v2/hs/UnparsedJob.html" title="class in org.apache.hadoop.mapreduce.v2.hs">UnparsedJob</a></td> |
| <td class="colLast"> |
| <div class="block">A job that has too many tasks associated with it, of which we do not parse |
| its job history file, to prevent the Job History Server from hanging on |
| parsing the file.</div> |
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