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https://issues.apache.org/jira/browse/HBASE-725?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12611209#action_12611209
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Bryan Duxbury commented on HBASE-725:
-------------------------------------
It doesn't matter if the timestamp part of the qualifier can be anything.
Getting the last by lexical sort should be easy.
> Maximum ColumnKey Lookup
> ------------------------
>
> Key: HBASE-725
> URL: https://issues.apache.org/jira/browse/HBASE-725
> Project: Hadoop HBase
> Issue Type: New Feature
> Reporter: Daniel Blaisdell
> Priority: Minor
> Fix For: 0.2.0
>
>
> When working with time series data, relative columnKeys 'indexes' are
> routinely shared between the columnFamilies of a given row. To acquire the
> maximum key and increment it for the next columnKey, you must first get all
> the keys. A quick lookup of the last columnKey would benefit as the column
> size grows over time.
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