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From "Eric Newton (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (ACCUMULO-2441) Document internal state stored in RFile names
Date Sat, 08 Mar 2014 00:22:44 GMT

     [ https://issues.apache.org/jira/browse/ACCUMULO-2441?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Eric Newton resolved ACCUMULO-2441.
-----------------------------------

       Resolution: Fixed
    Fix Version/s:     (was: 1.4.6)
                       (was: 1.5.2)
                       (was: 1.6.1)
                   1.6.0
         Assignee: Eric Newton

> Document internal state stored in RFile names
> ---------------------------------------------
>
>                 Key: ACCUMULO-2441
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-2441
>             Project: Accumulo
>          Issue Type: Improvement
>          Components: tserver
>            Reporter: Sean Busbey
>            Assignee: Eric Newton
>             Fix For: 1.6.0
>
>
> A recent conversation on #Accumulo pointed out a need for better documentation on how
we store state in RFile names
> {noformat}
> 15:18 < vines_> What are the prefix for files?
> 15:18 < vines_> A is a full compaction, F is a partial major compaction, I is an
import.. uhhh?
> 15:20 < vines_> oops, F is minor, M is merging
> 15:20 < elserj> C was manual compact i think?
> 15:20 < vines_> I thought C was full
> 15:21 < elserj> you just said A was full
> 15:21 < vines_> I'm not sure
> 15:21 < elserj> lol
> 15:21 < vines_> considering I just contradicted myselkf on F
> 15:21 < elserj> i thought A was automatic compact and C was user-issued compact
> 15:21 < elserj> F was a flush, I thought
> 15:22 < vines_> I don't think we differentiate user interfaced or not
> 15:22 < vines_> C is a complete compaction - all files
> 15:22 < vines_> A is an incomplete major compaction
> 15:22 < vines_> F is a minor compaction
> 15:22 < vines_> M is a merging minor
> 15:22 < vines_> alright
> 15:22 < elserj> ah ok. you'd typically see the C is a user did a compact in the
shell
> 15:22 < elserj> unless you set your ratio to something dumb?
> 15:23 < elserj> that's probably what i was thinking of
> 15:33 < vines_> perhaps
> 15:43 < madrob> A is all.
> 15:43 < madrob> C is partial
> 15:43 < madrob> F is flush
> 15:49 < busbey> could someone file a Jira to document this?
> 15:49 < busbey> nevermind, I'll do it. ;)
> {noformat}
> I'm not sure where the correct place for this is. I'm guessing somewhere in javadocs.
Maybe in an advanced section of the administration manual?



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