Bryan Beaudreault created HBASE-26122:
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Summary: Limit max result size of individual Gets
Key: HBASE-26122
URL: https://issues.apache.org/jira/browse/HBASE-26122
Project: HBase
Issue Type: New Feature
Components: Client, regionserver
Reporter: Bryan Beaudreault
Assignee: Bryan Beaudreault
Scans have the ability to have a configured max result size, which causes them
to return a partial result once the limit has been reached. MultiGets also can
throw MultiActionResultTooLarge if the response size is over a configured
quota. Neither of these really accounts for a single Get of a too-large row.
Such too-large Gets can cause substantial GC pressure or worse if sent at
volume.
Currently one can work around this by converting their Get to a single row
Scan, but this requires a developer to proactively know about and prepare for
the issue by using a Scan upfront or wait for the RegionServer to choke on a
large request and only then rewrite the Get for future requests.
We should implement the same response size limits for for Get as for Scan,
whereby the server returns a partial result to the client for handling.
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