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https://issues.apache.org/jira/browse/HBASE-20618?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16495666#comment-16495666
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Hadoop QA commented on HBASE-20618:
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| (/) *{color:green}+1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m 
14s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {color} ||
| {color:green}+1{color} | {color:green} hbaseanti {color} | {color:green}  0m  
0s{color} | {color:green} Patch does not have any anti-patterns. {color} |
| {color:green}+1{color} | {color:green} @author {color} | {color:green}  0m  
0s{color} | {color:green} The patch does not contain any @author tags. {color} |
| {color:green}+1{color} | {color:green} test4tests {color} | {color:green}  0m 
 0s{color} | {color:green} The patch appears to include 1 new or modified test 
files. {color} |
|| || || || {color:brown} master Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
13s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  4m 
15s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 
57s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  1m 
21s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} shadedjars {color} | {color:green}  4m 
14s{color} | {color:green} branch has no errors when building our shaded 
downstream artifacts. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  1m 
50s{color} | {color:blue} hbase-server in master has 2 extant Findbugs 
warnings. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
42s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
14s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  4m 
10s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 
55s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  1m 
55s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  1m 
17s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green}  0m 
 1s{color} | {color:green} The patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} shadedjars {color} | {color:green}  4m 
 7s{color} | {color:green} patch has no errors when building our shaded 
downstream artifacts. {color} |
| {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green} 
12m 50s{color} | {color:green} Patch does not cause any errors with Hadoop 
2.6.5 2.7.4 or 3.0.0. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  2m 
39s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
42s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  2m 
22s{color} | {color:green} hbase-common in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}104m  
0s{color} | {color:green} hbase-server in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
31s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}150m 43s{color} | 
{color:black} {color} |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hbase:d8b550f |
| JIRA Issue | HBASE-20618 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12925792/HBASE-20618.hbasemaster.v02.patch
 |
| Optional Tests |  asflicense  javac  javadoc  unit  findbugs  shadedjars  
hadoopcheck  hbaseanti  checkstyle  compile  |
| uname | Linux c8003282b26b 4.4.0-43-generic #63-Ubuntu SMP Wed Oct 12 
13:48:03 UTC 2016 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | 
/home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/component/dev-support/hbase-personality.sh
 |
| git revision | master / c17be2e622 |
| maven | version: Apache Maven 3.5.3 
(3383c37e1f9e9b3bc3df5050c29c8aff9f295297; 2018-02-24T19:49:05Z) |
| Default Java | 1.8.0_171 |
| findbugs | v3.1.0-RC3 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HBASE-Build/13017/testReport/ |
| Max. process+thread count | 5366 (vs. ulimit of 10000) |
| modules | C: hbase-common hbase-server U: . |
| Console output | 
https://builds.apache.org/job/PreCommit-HBASE-Build/13017/console |
| Powered by | Apache Yetus 0.7.0   http://yetus.apache.org |


This message was automatically generated.



> Skip large rows instead of throwing an exception to client
> ----------------------------------------------------------
>
>                 Key: HBASE-20618
>                 URL: https://issues.apache.org/jira/browse/HBASE-20618
>             Project: HBase
>          Issue Type: New Feature
>    Affects Versions: 3.0.0
>            Reporter: Swapna
>            Priority: Minor
>         Attachments: HBASE-20618.hbasemaster.v01.patch, 
> HBASE-20618.hbasemaster.v02.patch
>
>
> Currently HBase supports throwing RowTooBigException incase there is a row 
> with one of the column family data exceeds the configured maximum
> https://issues.apache.org/jira/browse/HBASE-10925?attachmentOrder=desc
> We have some bad rows growing very large. We need a way to skip these rows 
> for most of our jobs.
> Some of the options we considered:
> Option 1:
> Hbase client handle the exception and restart the scanner past bad row by 
> capturing the row key where it failed. Can be by adding the rowkey to the 
> exception stack trace, which seems brittle. Client would ignore the setting 
> if its upgraded before server.
> Option 2:
> Skip through big rows on Server.Go with server level config similar to 
> "hbase.table.max.rowsize" or request based by changing the scan request api. 
> If allowed to do per request, based on the scan request config, Client will 
> have to ignore the setting if its upgraded before server.
> {code}
> try {
>  populateResult(results, this.storeHeap, scannerContext, current);
>  } catch(RowTooBigException e) {
>  LOG.info("Row exceeded the limit in storeheap. Skipping row with 
> key:"+Bytes.toString(current.getRowArray()));
>  this.storeHeap.reseek(PrivateCellUtil.createLastOnRow(current));
>  results.clear();
>  scannerContext.clearProgress();
>  continue;
>  }
> {code}
> Prefer the option 2 with server level config. Please share your inputs



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