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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-15475) Allow TimestampsFilter to provide a seek hint
Date Sat, 02 Apr 2016 17:15:25 GMT

    [ https://issues.apache.org/jira/browse/HBASE-15475?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15222950#comment-15222950
] 

Hudson commented on HBASE-15475:
--------------------------------

FAILURE: Integrated in HBase-0.98-matrix #323 (See [https://builds.apache.org/job/HBase-0.98-matrix/323/])
HBASE-15475 Allow TimestampsFilter to provide a seek hint (apurtell: rev e1321a50808a06a1ce28f647cd4d81edb51cdd10)
* hbase-protocol/src/main/protobuf/Filter.proto
* hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestTimestampFilterSeekHint.java
* hbase-common/src/main/java/org/apache/hadoop/hbase/KeyValue.java
* hbase-client/src/main/java/org/apache/hadoop/hbase/filter/TimestampsFilter.java
* hbase-protocol/src/main/java/org/apache/hadoop/hbase/protobuf/generated/FilterProtos.java
* hbase-common/src/main/java/org/apache/hadoop/hbase/KeyValueUtil.java


> Allow TimestampsFilter to provide a seek hint
> ---------------------------------------------
>
>                 Key: HBASE-15475
>                 URL: https://issues.apache.org/jira/browse/HBASE-15475
>             Project: HBase
>          Issue Type: Improvement
>          Components: Client, Filters, regionserver
>    Affects Versions: 1.3.0
>            Reporter: Elliott Clark
>            Assignee: Elliott Clark
>             Fix For: 2.0.0, 1.3.0, 0.98.19, 1.4.0
>
>         Attachments: HBASE-15475-branch-1.patch, HBASE-15475-v1.patch, HBASE-15475-v2.patch,
HBASE-15475-v3.patch, HBASE-15475-v4.patch, HBASE-15475-v5.patch, HBASE-15475.patch
>
>
> If a user wants to read specific timestamps currently it's a very linear scan. This is
so that all deletes can be respected. However if the user doesn't care about deletes it can
dramatically speed up the request to seek.



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