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From "Appy (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-18499) Design improvements to Clock.java
Date Wed, 02 Aug 2017 02:05:00 GMT

    [ https://issues.apache.org/jira/browse/HBASE-18499?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16110126#comment-16110126
] 

Appy commented on HBASE-18499:
------------------------------

Jira screwed up. Clicking on 'create' created HBASE-18498 jira but didn't send ack back to
my frontend, and it kept showing me the create dialog box. So clicked on it again after few
seconds, which ended up creating this duplicate.
Closing this one.

> Design improvements to Clock.java
> ---------------------------------
>
>                 Key: HBASE-18499
>                 URL: https://issues.apache.org/jira/browse/HBASE-18499
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Appy
>            Assignee: Appy
>
> - Delete PhysicalClock interface which seems useless give we have SYSTEM implementation
of Clock which is basically the same.
> - Embed systemMonotonic clock into HLC to get rid of redundancy in management of physical
component, esp logic around ensuring monotonicity.
> - Make max_skew in clocks configurable
> - Remove isMonotonicallyIncreasing() which is not used.
> - update logical overflow test to not use hooks but prod code path
> - Added lots of comments.



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