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https://issues.apache.org/jira/browse/YARN-4025?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15369825#comment-15369825
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Hudson commented on YARN-4025:
------------------------------
SUCCESS: Integrated in Hadoop-trunk-Commit #10074 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/10074/])
YARN-4025. Deal with byte representations of Longs in writer code. (sjlee: rev
7a41b5501ea76f94f15f53f6380b3c63f14b5a78)
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/test/java/org/apache/hadoop/yarn/server/timelineservice/storage/TestHBaseTimelineWriterImpl.java
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/entity/EntityColumnPrefix.java
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/common/ColumnHelper.java
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/application/ApplicationTable.java
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/common/TimelineWriterUtils.java
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/HBaseTimelineWriterImpl.java
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/entity/EntityTable.java
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/HBaseTimelineReaderImpl.java
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/common/Separator.java
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/application/ApplicationColumnPrefix.java
> Deal with byte representations of Longs in writer code
> ------------------------------------------------------
>
> Key: YARN-4025
> URL: https://issues.apache.org/jira/browse/YARN-4025
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: timelineserver
> Reporter: Vrushali C
> Assignee: Sangjin Lee
> Fix For: YARN-2928
>
> Attachments: YARN-4025-YARN-2928.001.patch,
> YARN-4025-YARN-2928.002.patch, YARN-4025-YARN-2928.003.patch,
> YARN-4025-YARN-2928.004.patch
>
>
> Timestamps are being stored as Longs in hbase by the HBaseTimelineWriterImpl
> code. There seem to be some places in the code where there are conversions
> between Long to byte[] to String for easier argument passing between function
> calls. Then these values end up being converted back to byte[] while storing
> in hbase.
> It would be better to pass around byte[] or the Longs themselves as
> applicable.
> This may result in some api changes (store function) as well in adding a few
> more function calls like getColumnQualifier which accepts a pre-encoded byte
> array. It will be in addition to the existing api which accepts a String and
> the ColumnHelper to return a byte[] column name instead of a String one.
> Filing jira to track these changes.
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