Eric Newton created ACCUMULO-3813:
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Summary: single row look-ups are slow
Key: ACCUMULO-3813
URL: https://issues.apache.org/jira/browse/ACCUMULO-3813
Project: Accumulo
Issue Type: Improvement
Components: client, tserver
Reporter: Eric Newton
Emilio Lahr-Vivaz writes on the user mailing list:
{quote}
I've found that scanning lots of non-sequential single-row ranges is pretty
slow in accumulo. Your best approach is probably to create an index table on
whatever you are originally trying to query (assuming those 10000 ids came from
some other query).
{quote}
Specifically, the use case is fetching many single items, all of which are
present (so, bloom filters aren't going to help).
Since this is one of the use cases Accumulo was designed to handle, look into
actual performance and figure out if there are any obvious bottlenecks.
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