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| <div class="subTitle">org.apache.hadoop.yarn.server.timelineservice.storage.apptoflow</div> |
| <h2 title="Class AppToFlowTable" class="title">Class AppToFlowTable</h2> |
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| <li><a href="../../../../../../../../org/apache/hadoop/yarn/server/timelineservice/storage/common/BaseTable.html" title="class in org.apache.hadoop.yarn.server.timelineservice.storage.common">org.apache.hadoop.yarn.server.timelineservice.storage.common.BaseTable</a><<a href="../../../../../../../../org/apache/hadoop/yarn/server/timelineservice/storage/apptoflow/AppToFlowTable.html" title="class in org.apache.hadoop.yarn.server.timelineservice.storage.apptoflow">AppToFlowTable</a>></li> |
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| <pre>public final class <span class="typeNameLabel">AppToFlowTable</span> |
| extends <a href="../../../../../../../../org/apache/hadoop/yarn/server/timelineservice/storage/common/BaseTable.html" title="class in org.apache.hadoop.yarn.server.timelineservice.storage.common">BaseTable</a><<a href="../../../../../../../../org/apache/hadoop/yarn/server/timelineservice/storage/apptoflow/AppToFlowTable.html" title="class in org.apache.hadoop.yarn.server.timelineservice.storage.apptoflow">AppToFlowTable</a>></pre> |
| <div class="block">The app_flow table as column families mapping. Mapping stores |
| appId to flowName and flowRunId mapping information |
| |
| Example app_flow table record: |
| |
| <pre> |
| |--------------------------------------| |
| | Row | Column Family | |
| | key | mapping | |
| |--------------------------------------| |
| | appId | flow_name!cluster1: | |
| | | foo@daily_hive_report | |
| | | | |
| | | flow_run_id!cluster1: | |
| | | 1452828720457 | |
| | | | |
| | | user_id!cluster1: | |
| | | admin | |
| | | | |
| | | flow_name!cluster2: | |
| | | bar@ad_hoc_query | |
| | | | |
| | | flow_run_id!cluster2: | |
| | | 1452828498752 | |
| | | | |
| | | user_id!cluster2: | |
| | | joe | |
| | | | |
| |--------------------------------------| |
| </pre> |
| |
| It is possible (although unlikely) in a multi-cluster environment that there |
| may be more than one applications for a given app id. Different clusters are |
| recorded as different sets of columns.</div> |
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