Eric Newton created ACCUMULO-625:
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Summary: consider augmenting session state with "breadcrumbs"
Key: ACCUMULO-625
URL: https://issues.apache.org/jira/browse/ACCUMULO-625
Project: Accumulo
Issue Type: Improvement
Components: tserver
Reporter: Eric Newton
Assignee: Keith Turner
Presently, the iterator stack can be created and destroyed at the whim of the
tserver and its buffering needs. In complex iterations, lower-level iterators
can make significant progress which is not inherently obvious in any returned
key. When the iterator stack is re-created to continue a query, the last key
returned is used to {{seek()}} the iterators. Lower-level iterators must
re-scan their data to move back to the old position.
Consider a mechanism to save progress beyond the last key returned.
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