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https://issues.apache.org/jira/browse/HBASE-9343?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13870117#comment-13870117
]
Hadoop QA commented on HBASE-9343:
----------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12622713/HBASE-9343_trunk.03.patch
against trunk revision .
ATTACHMENT ID: 12622713
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 16 new
or modified tests.
{color:green}+1 hadoop1.0{color}. The patch compiles against the hadoop
1.0 profile.
{color:green}+1 hadoop1.1{color}. The patch compiles against the hadoop
1.1 profile.
{color:green}+1 javadoc{color}. The javadoc tool did not generate any
warning messages.
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:green}+1 findbugs{color}. The patch does not introduce any new
Findbugs (version 1.3.9) warnings.
{color:green}+1 release audit{color}. The applied patch does not increase
the total number of release audit warnings.
{color:red}-1 lineLengths{color}. The patch introduces the following lines
longer than 100:
+ rModel.addCell(new CellModel(CellUtil.cloneFamily(kv),
CellUtil.cloneQualifier(kv), kv.getTimestamp(),
+ @DefaultValue(Integer.MAX_VALUE + "") @QueryParam(Constants.SCAN_LIMIT)
int userRequestedLimit,
+ @DefaultValue(Integer.MAX_VALUE + "") @QueryParam(Constants.SCAN_LIMIT)
int userRequestedLimit,
{color:red}-1 site{color}. The patch appears to cause mvn site goal to
fail.
{color:red}-1 core tests{color}. The patch failed these unit tests:
org.apache.hadoop.hbase.util.TestHBaseFsck
Test results:
https://builds.apache.org/job/PreCommit-HBASE-Build/8407//testReport/
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/8407//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop2-compat.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/8407//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/8407//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-client.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/8407//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/8407//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/8407//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/8407//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/8407//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-thrift.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/8407//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Console output:
https://builds.apache.org/job/PreCommit-HBASE-Build/8407//console
This message is automatically generated.
> Implement stateless scanner for Stargate
> ----------------------------------------
>
> Key: HBASE-9343
> URL: https://issues.apache.org/jira/browse/HBASE-9343
> Project: HBase
> Issue Type: Improvement
> Components: REST
> Affects Versions: 0.94.11
> Reporter: Vandana Ayyalasomayajula
> Assignee: Vandana Ayyalasomayajula
> Priority: Minor
> Fix For: 0.98.1, 0.99.0
>
> Attachments: HBASE-9343_94.00.patch, HBASE-9343_94.01.patch,
> HBASE-9343_trunk.00.patch, HBASE-9343_trunk.01.patch,
> HBASE-9343_trunk.01.patch, HBASE-9343_trunk.02.patch,
> HBASE-9343_trunk.03.patch
>
>
> The current scanner implementation for scanner stores state and hence not
> very suitable for REST server failure scenarios. The current JIRA proposes to
> implement a stateless scanner. In the first version of the patch, a new
> resource class "ScanResource" has been added and all the scan parameters will
> be specified as query params.
> The following are the scan parameters
> startrow - The start row for the scan.
> endrow - The end row for the scan.
> columns - The columns to scan.
> starttime, endtime - To only retrieve columns within a specific range of
> version timestamps,both start and end time must be specified.
> maxversions - To limit the number of versions of each column to be returned.
> batchsize - To limit the maximum number of values returned for each call to
> next().
> limit - The number of rows to return in the scan operation.
> More on start row, end row and limit parameters.
> 1. If start row, end row and limit not specified, then the whole table will
> be scanned.
> 2. If start row and limit (say N) is specified, then the scan operation will
> return N rows from the start row specified.
> 3. If only limit parameter is specified, then the scan operation will return
> N rows from the start of the table.
> 4. If limit and end row are specified, then the scan operation will return N
> rows from start of table till the end row. If the end row is
> reached before N rows ( say M and M < N ), then M rows will be returned to
> the user.
> 5. If start row, end row and limit (say N ) are specified and N < number
> of rows between start row and end row, then N rows from start row
> will be returned to the user. If N > (number of rows between start row and
> end row (say M), then M number of rows will be returned to the
> user.
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