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https://issues.apache.org/jira/browse/YARN-3863?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15181317#comment-15181317
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Sangjin Lee commented on YARN-3863:
-----------------------------------
I was specifically referring to a case like the following. In current code,
{code:title=HBaseTimelineWriterImpl.java}
411 // add separator since event key is empty
412 byte[] compoundColumnQualifierBytes =
413 Separator.VALUES.join(columnQualifierWithTsBytes,
414 null);
{code}
In the new code,
{code:title=HBaseTimelineWriterImpl.java}
409 byte[] compoundColumnQualifierBytes =
410 ApplicationColumnPrefix.EVENT.
411 getCompoundColQualBytes(eventId, eventTs, null);
{code}
But I think the behavior hasn't changed regarding the last {{null}}. I think in
both cases the bytes will end with the separator. Could you confirm?
> Support complex filters in TimelineReader
> -----------------------------------------
>
> Key: YARN-3863
> URL: https://issues.apache.org/jira/browse/YARN-3863
> Project: Hadoop YARN
> Issue Type: Sub-task
> Affects Versions: YARN-2928
> Reporter: Varun Saxena
> Assignee: Varun Saxena
> Labels: yarn-2928-1st-milestone
> Attachments: YARN-3863-YARN-2928.v2.01.patch,
> YARN-3863-YARN-2928.v2.02.patch, YARN-3863-YARN-2928.v2.03.patch,
> YARN-3863-feature-YARN-2928.wip.003.patch,
> YARN-3863-feature-YARN-2928.wip.01.patch,
> YARN-3863-feature-YARN-2928.wip.02.patch,
> YARN-3863-feature-YARN-2928.wip.04.patch,
> YARN-3863-feature-YARN-2928.wip.05.patch
>
>
> Currently filters in timeline reader will return an entity only if all the
> filter conditions hold true i.e. only AND operation is supported. We can
> support OR operation for the filters as well. Additionally as primary backend
> implementation is HBase, we can design our filters in a manner, where they
> closely resemble HBase Filters.
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