[jira] [Commented] (HBASE-21741) Add a note in "HFile Tool" section regarding 'seqid=0'

["Hadoop QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-21741?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16746754#comment-16746754 ] 

Hadoop QA commented on HBASE-21741:
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| {color:green}+1{color} | {color:green} @author {color} | {color:green}  0m  0s{color} | {color:green} The patch does not contain any @author tags. {color} |
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| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  4m 57s{color} | {color:green} master passed {color} |
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|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  4m 54s{color} | {color:green} the patch passed {color} |
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| {color:black}{color} | {color:black} {color} | {color:black} 23m 31s{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:b002b0b |
| JIRA Issue | HBASE-21741 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12955473/hbase-21741.master.001.patch |
| Optional Tests |  dupname  asflicense  refguide  |
| uname | Linux 12f148fb1b10 4.4.0-139-generic #165~14.04.1-Ubuntu SMP Wed Oct 31 10:55:11 UTC 2018 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 / 3d23490e88 |
| maven | version: Apache Maven 3.5.4 (1edded0938998edf8bf061f1ceb3cfdeccf443fe; 2018-06-17T18:33:14Z) |
| refguide | https://builds.apache.org/job/PreCommit-HBASE-Build/15637/artifact/patchprocess/branch-site/book.html |
| refguide | https://builds.apache.org/job/PreCommit-HBASE-Build/15637/artifact/patchprocess/patch-site/book.html |
| Max. process+thread count | 87 (vs. ulimit of 10000) |
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> Add a note in "HFile Tool" section regarding 'seqid=0'
> ------------------------------------------------------
>
>                 Key: HBASE-21741
>                 URL: https://issues.apache.org/jira/browse/HBASE-21741
>             Project: HBase
>          Issue Type: Improvement
>          Components: documentation
>            Reporter: Sakthi
>            Assignee: Sakthi
>            Priority: Minor
>         Attachments: hbase-21741.master.001.patch
>
>
> In few parts of the HFile, where the seqid is irrelevant such as:
> * firstKey=Optional[row0/cf:column/1547846312435/Put/seqid=0]
> * lastKey=Optional[row9/cf:column/1547846312490/Put/seqid=0]
> Let's make a note on the doc in the 'HFile Tool' section, that seqid=0 in such cases means seqid is irrelevant here because it's a 'KeyOnlyKeyValue'.



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