[jira] [Reopened] (HBASE-22762) Print the delta between phases in the split/merge/compact/flush transaction journals

["Andrew Purtell (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-22762?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Purtell reopened HBASE-22762:
------------------------------------
      Assignee: Andrew Purtell  (was: Xu Cang)

Reviewing recent commits I realized the scope of this drifted to just SplitTransactionImpl but we committed it using the description on the jira, which implies a change to all of the other "transaction journal" dumps too. I'm going to take this over, clone Xu's addition to SplitTransactionImpl to the others, and commit an addendum. 

> Print the delta between phases in the split/merge/compact/flush transaction journals
> ------------------------------------------------------------------------------------
>
>                 Key: HBASE-22762
>                 URL: https://issues.apache.org/jira/browse/HBASE-22762
>             Project: HBase
>          Issue Type: Improvement
>          Components: logging
>            Reporter: Andrew Purtell
>            Assignee: Andrew Purtell
>            Priority: Minor
>             Fix For: 1.5.0, 1.3.6, 1.4.11
>
>         Attachments: HBASE-22762.branch-1.001.patch, HBASE-22762.branch-1.002.patch, HBASE-22762.branch-1.004.patch
>
>
> We print the start timestamp for each phase when logging the split/merge/compact/flush transaction journals and so when debugging an operator must do the math by hand. It would be trivial to also print the delta from the start timestamp of the previous phase and helpful to do so.



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