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https://issues.apache.org/jira/browse/HBASE-669?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12604045#action_12604045
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Clint Morgan commented on HBASE-669:
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> On '// FIXME, not sure why this is needed, but copied over from HTable', you
> want to use Arrays.toArray or some such? (I ain't sure why its there either)
Why can't we just 'return values;'? Seems to me all the following code does is
make a copy of the values array:
<code>
if (values != null) {
ArrayList<Cell> cellValues = new ArrayList<Cell>();
for (int i = 0 ; i < values.length; i++) {
cellValues.add(values[i]);
}
return cellValues.toArray(new Cell[values.length]);
}
return null;
</code>
maybe thats just remains of a past, no longer needed conversion?
> MultiRegion transactions with Optimistic Concurrency Control
> ------------------------------------------------------------
>
> Key: HBASE-669
> URL: https://issues.apache.org/jira/browse/HBASE-669
> Project: Hadoop HBase
> Issue Type: New Feature
> Components: client, ipc, regionserver
> Reporter: Clint Morgan
> Attachments: hbase-669-v2.patch, hbase-669.patch
>
>
> We have a need for ACID transactions across tables. This issue is about
> adding transactions which span multiple regions. We do not envision many
> competing writes, and will be read-dominated in general. This makes
> Optimistic Concurrency Control (OCC) seem like the way to go.
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