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https://issues.apache.org/jira/browse/ACCUMULO-2015?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13848247#comment-13848247
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Sean Busbey commented on ACCUMULO-2015:
---------------------------------------
"standalone mode" was a shortcut to launching a single node Accumulo instance
in psuedo-distributed mode invoked by not specifying both the slaves and
masters files in $ACCUMULO_HOME/conf. It was in the original code import, so
there aren't tickets to look at for its original reasoning.
The only [docs I've found for it are comments in the part of config.sh that set
it
up|https://git-wip-us.apache.org/repos/asf?p=accumulo.git;a=blob;f=bin/config.sh;h=485e259e232cbe0eb99180d1cafd6bc3a8e63488;hb=419aacc45279a3cd6b3b5bf61baf486f082a450a#l97].
AFAICT, it was to make it easier to spin up test instances.
[~kturner] removed it from the 1.5.x line in [this
commit|https://git-wip-us.apache.org/repos/asf?p=accumulo.git;a=commit;h=4b163a996e090550eb6a29e6d63eb0abb5b5853c]
as a part of ACCUMULO-1071 (though I'm not sure if that ticket # was a typo).
He would have to speak to what his reasoning was, there's not an explanation on
the ticket or mailing lists at the time.
If I had to guess, I'd say the presumption was that the addition of bootstrap
(and minicluster) obviated the need. Since 1.5.x wasn't required to maintain
default behavior, it was just removed instead of wrapped in some option.
> GC does not start when running in standalone mode
> -------------------------------------------------
>
> Key: ACCUMULO-2015
> URL: https://issues.apache.org/jira/browse/ACCUMULO-2015
> Project: Accumulo
> Issue Type: Sub-task
> Components: gc
> Reporter: Mike Drob
> Assignee: Mike Drob
> Fix For: 1.4.5
>
> Attachments: ACCUMULO-2015-v1.patch
>
>
> As a result of the changes in ACCUMULO-1901, the gc will no longer start when
> initializing a standalone (single-node) installation.
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