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https://issues.apache.org/jira/browse/ACCUMULO-3633?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Josh Elser updated ACCUMULO-3633:
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    Attachment: Apache Accumulo User Manual Version 1.7.pdf

Until we get a release of 1.7.0, here's a PDF version of the user manual. 
Chapter 7 was what was added to cover iterator design.

> Please provide information on implementing custom iterators in the 
> documentation
> --------------------------------------------------------------------------------
>
>                 Key: ACCUMULO-3633
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-3633
>             Project: Accumulo
>          Issue Type: Wish
>          Components: docs
>    Affects Versions: 1.6.0
>         Environment: Centos 6.5, Accumulo 1.6.0, CDH 5. 
>            Reporter: Vaibhav Thapliyal
>            Assignee: Josh Elser
>              Labels: documentation
>             Fix For: 1.7.0
>
>         Attachments: 
> 0001-ACCUMULO-3633-User-manual-chapter-on-custom-iterator.patch, Apache 
> Accumulo User Manual Version 1.7.pdf
>
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
>
> Dear all,
> Can you please provide a documentation regarding creating custom Iterators. 
> For example, explain the functionality  of the functions inside 
> SortedKeyValueIterator and how to override those functions.
> Please explain how these functions are executed (which class calls these 
> functions when the iterator executes).
> I would appreciate if these changes are made in your future documentations as 
> this would help developers who are new to accumulo to quickly get started on 
> writing their own custom iterators which is an essential part of accumulo. 



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