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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (GORA-443) Upgrade HBase to 1.2.3
Date Sun, 16 Jul 2017 18:23:00 GMT

    [ https://issues.apache.org/jira/browse/GORA-443?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16089057#comment-16089057
] 

ASF GitHub Bot commented on GORA-443:
-------------------------------------

Github user renato2099 commented on the issue:

    https://github.com/apache/gora/pull/95
  
    Thanks for finding this out @alfonsonishikawa ! This makes much more sense now! 
    I do agree with you that is weird that this hasn't surfaced before. My guess would be
(1) using a slower machine before which would make the deletes come after the inserts, but
with a faster machine they could be swapped (we are also using the same writer btw) (2) Multi-threaded
Hbase client? I think this came later than our previous releases, but I don't know if the
client we are using is actually multithreaded or not. Maybe another thing to try would be
[limiting HBase client](https://stackoverflow.com/questions/42919819/hbase-multithreading-client-performance)
to see what happens by reducing the connection pool.


> Upgrade HBase to 1.2.3
> ----------------------
>
>                 Key: GORA-443
>                 URL: https://issues.apache.org/jira/browse/GORA-443
>             Project: Apache Gora
>          Issue Type: Improvement
>          Components: gora-hbase
>            Reporter: Ted Yu
>            Assignee: Lewis John McGibbney
>             Fix For: 0.7
>
>
> HBase 1.1.2 release is the current stable release.
> Gora should be built based on HBase 1.1.2
> Currently I got the following compilation error:
> {code}
> [ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1:compile
(default-compile) on project gora-hbase: Compilation failure
> [ERROR] /home/hbase/gora/gora-hbase/src/main/java/org/apache/gora/hbase/store/HBaseTableConnection.java:[59,7]
error: HBaseTableConnection is not abstract and does not override abstract method checkAndDelete(byte[],byte[],byte[],CompareOp,byte[],Delete)
in Table
> {code}



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