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From "Lars Hofhansl (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-2214) Do HBASE-1996 -- setting size to return in scan rather than count of rows -- properly
Date Thu, 26 Jul 2012 19:50:35 GMT

    [ https://issues.apache.org/jira/browse/HBASE-2214?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13423392#comment-13423392
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Lars Hofhansl commented on HBASE-2214:
--------------------------------------

@Ferdy, are you sure you do not want to work on this anymore?
I'll change Scan.java to be able to deal with two different version, so we can get this in
0.94 (admittedly, that is a small change only).

bq. Maybe the ClientScanner could modify the Scan that it passes the max scanner result it
uses to the region server

Of course the requires the server to actually trust the client. Although I think with a rogue
client it is quite easy to kill/mess-with a RegionServer in many other areas.
                
> Do HBASE-1996 -- setting size to return in scan rather than count of rows -- properly
> -------------------------------------------------------------------------------------
>
>                 Key: HBASE-2214
>                 URL: https://issues.apache.org/jira/browse/HBASE-2214
>             Project: HBase
>          Issue Type: New Feature
>            Reporter: stack
>             Fix For: 0.96.0, 0.94.2
>
>         Attachments: HBASE-2214-0.94-v2.txt, HBASE-2214-0.94-v3.txt, HBASE-2214-0.94.txt,
HBASE-2214-v4.txt, HBASE-2214-v5.txt, HBASE-2214-v6.txt, HBASE-2214-v7.txt, HBASE-2214_with_broken_TestShell.txt
>
>
> The notion that you set size rather than row count specifying how many rows a scanner
should return in each cycle was raised over in hbase-1966.  Its a good one making hbase "regular"
though the data under it may vary.  HBase-1966 was committed but the patch was constrained
by the fact that it needed to not change RPC interface.  This issue is about doing hbase-1966
for 0.21 in a clean, unconstrained way.

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