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https://issues.apache.org/jira/browse/ACCUMULO-1712?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Christopher Tubbs updated ACCUMULO-1712:
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Issue Type: Sub-task (was: Improvement)
Parent: ACCUMULO-1481
> Remove special characters from path names of metadata tables
> ------------------------------------------------------------
>
> Key: ACCUMULO-1712
> URL: https://issues.apache.org/jira/browse/ACCUMULO-1712
> Project: Accumulo
> Issue Type: Sub-task
> Reporter: Christopher Tubbs
> Fix For: 1.6.0
>
>
> This is particularly problematic because of the quoting required to examine
> hdfs paths with a "!" character in them. The root table ID and the metadata
> table ID should not use special characters.
> Some considerations:
> # should not collide with possible user table IDs
> # might be useful, but may not be necessary, to retain lexicographical sort
> order, so root table goes first, then metadata table, then other tables
> Some options:
> # Use negative numbers: -1 for the root table, -2 for the metadata table (my
> personal favorite)
> # Use a different special character: %, &, +, or . (each of which may have
> special considerations)
> # Reserve a block of IDs for internal use (say, 0-10 or 0-100), and move
> other tables on upgrade
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