[
https://issues.apache.org/jira/browse/HBASE-15325?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15206242#comment-15206242
]
Ted Yu edited comment on HBASE-15325 at 3/22/16 12:15 PM:
----------------------------------------------------------
I tried applying 15325-branch-1-v2.patch on branch-1.1 :
{code}
patch -p1 -i ~/1-hbase/15325-branch-1-v2.patch
patching file
hbase-client/src/main/java/org/apache/hadoop/hbase/client/ClientScanner.java
patching file
hbase-server/src/test/java/org/apache/hadoop/hbase/TestPartialResultsFromClientSide.java
Hunk #6 FAILED at 832.
1 out of 6 hunks FAILED -- saving rejects to file
hbase-server/src/test/java/org/apache/hadoop/hbase/TestPartialResultsFromClientSide.java.rej
{code}
was (Author: [email protected]):
{code}
patch -p1 -i ~/1-hbase/15325-branch-1-v2.patch
patching file
hbase-client/src/main/java/org/apache/hadoop/hbase/client/ClientScanner.java
patching file
hbase-server/src/test/java/org/apache/hadoop/hbase/TestPartialResultsFromClientSide.java
Hunk #6 FAILED at 832.
1 out of 6 hunks FAILED -- saving rejects to file
hbase-server/src/test/java/org/apache/hadoop/hbase/TestPartialResultsFromClientSide.java.rej
{code}
> ResultScanner allowing partial result will miss the rest of the row if the
> region is moved between two rpc requests
> -------------------------------------------------------------------------------------------------------------------
>
> Key: HBASE-15325
> URL: https://issues.apache.org/jira/browse/HBASE-15325
> Project: HBase
> Issue Type: Bug
> Components: dataloss, Scanners
> Affects Versions: 1.2.0, 1.1.3
> Reporter: Phil Yang
> Assignee: Phil Yang
> Priority: Critical
> Fix For: 2.0.0, 1.3.0, 1.1.4, 1.4.0, 1.2.2
>
> Attachments: 15325-test.txt, HBASE-15325-branch-1-v1.patch,
> HBASE-15325-branch-1-v2.patch, HBASE-15325-branch-1.1-v1.patch,
> HBASE-15325-branch-1.3-v1.patch, HBASE-15325-branch-1.3-v2.patch,
> HBASE-15325-v1.txt, HBASE-15325-v10.patch, HBASE-15325-v11.patch,
> HBASE-15325-v2.txt, HBASE-15325-v3.txt, HBASE-15325-v5.txt,
> HBASE-15325-v6.1.txt, HBASE-15325-v6.2.txt, HBASE-15325-v6.3.txt,
> HBASE-15325-v6.4.txt, HBASE-15325-v6.5.txt, HBASE-15325-v6.txt,
> HBASE-15325-v7.patch, HBASE-15325-v8.patch, HBASE-15325-v9.patch
>
>
> HBASE-11544 allow scan rpc return partial of a row to reduce memory usage for
> one rpc request. And client can setAllowPartial or setBatch to get several
> cells in a row instead of the whole row.
> However, the status of the scanner is saved on server and we need this to get
> the next part if there is a partial result before. If we move the region to
> another RS, client will get a NotServingRegionException and open a new
> scanner to the new RS which will be regarded as a new scan from the end of
> this row. So the rest cells of the row of last result will be missing.
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
