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apache / hadoop-site / 952d547359cafef280f0a0324055741b2ed55be1 / . / content / docs / r3.3.1 / hadoop-yarn / hadoop-yarn-server / hadoop-yarn-server-sharedcachemanager / apidocs / org / apache / hadoop / yarn / server / sharedcachemanager / package-summary.html
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<h1 title="Package" class="title">Package&nbsp;org.apache.hadoop.yarn.server.sharedcachemanager</h1>
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<caption><span>Class Summary</span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colFirst" scope="col">Class</th>
<th class="colLast" scope="col">Description</th>
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<td class="colFirst"><a href="../../../../../../org/apache/hadoop/yarn/server/sharedcachemanager/AppChecker.html" title="class in org.apache.hadoop.yarn.server.sharedcachemanager">AppChecker</a></td>
<td class="colLast">
<div class="block">An interface for checking whether an app is running so that the cleaner
service may determine if it can safely remove a cached entry.</div>
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<td class="colFirst"><a href="../../../../../../org/apache/hadoop/yarn/server/sharedcachemanager/CleanerService.html" title="class in org.apache.hadoop.yarn.server.sharedcachemanager">CleanerService</a></td>
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<div class="block">The cleaner service that maintains the shared cache area, and cleans up stale
entries on a regular basis.</div>
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<td class="colFirst"><a href="../../../../../../org/apache/hadoop/yarn/server/sharedcachemanager/ClientProtocolService.html" title="class in org.apache.hadoop.yarn.server.sharedcachemanager">ClientProtocolService</a></td>
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<div class="block">This service handles all rpc calls from the client to the shared cache
manager.</div>
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<td class="colFirst"><a href="../../../../../../org/apache/hadoop/yarn/server/sharedcachemanager/RemoteAppChecker.html" title="class in org.apache.hadoop.yarn.server.sharedcachemanager">RemoteAppChecker</a></td>
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<div class="block">An implementation of AppChecker that queries the resource manager remotely to
determine whether the app is running.</div>
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<td class="colFirst"><a href="../../../../../../org/apache/hadoop/yarn/server/sharedcachemanager/SCMAdminProtocolService.html" title="class in org.apache.hadoop.yarn.server.sharedcachemanager">SCMAdminProtocolService</a></td>
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<div class="block">This service handles all SCMAdminProtocol rpc calls from administrators
to the shared cache manager.</div>
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<td class="colFirst"><a href="../../../../../../org/apache/hadoop/yarn/server/sharedcachemanager/SharedCacheManager.html" title="class in org.apache.hadoop.yarn.server.sharedcachemanager">SharedCacheManager</a></td>
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<div class="block">This service maintains the shared cache meta data.</div>
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<td class="colFirst"><a href="../../../../../../org/apache/hadoop/yarn/server/sharedcachemanager/SharedCacheUploaderService.html" title="class in org.apache.hadoop.yarn.server.sharedcachemanager">SharedCacheUploaderService</a></td>
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<div class="block">This service handles all rpc calls from the NodeManager uploader to the
shared cache manager.</div>
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