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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8192) Eviction should key off used locked memory instead of ram disk free space
Date Sun, 21 Jun 2015 11:37:01 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8192?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14595025#comment-14595025
] 

Hudson commented on HDFS-8192:
------------------------------

FAILURE: Integrated in Hadoop-Yarn-trunk-Java8 #235 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk-Java8/235/])
HDFS-8192. Eviction should key off used locked memory instead of ram disk free space. (Contributed
by Arpit Agarwal) (arp: rev c7d022b66f0c5baafbb7000a435c1d6e39906efe)
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetImpl.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetCache.java
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/TestLazyWriter.java
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/TestLazyPersistReplicaPlacement.java
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/TestLazyPersistLockedMemory.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/TestScrLazyPersistFiles.java
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/LazyPersistTestCase.java
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/balancer/TestBalancer.java


> Eviction should key off used locked memory instead of ram disk free space
> -------------------------------------------------------------------------
>
>                 Key: HDFS-8192
>                 URL: https://issues.apache.org/jira/browse/HDFS-8192
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode
>            Reporter: Arpit Agarwal
>            Assignee: Arpit Agarwal
>             Fix For: 2.8.0
>
>         Attachments: HDFS-8192.01.patch, HDFS-8192.02.patch, HDFS-8192.03.patch, HDFS-8192.04.patch
>
>
> Eviction from RAM disk will be triggered when locked memory is insufficient RAM to allocate
a new replica for writing.
> This is a follow up to HDFS-8157. We no longer need the threshold configuration keys
since we won't be evicting based on thresholds any more.



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