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https://issues.apache.org/jira/browse/HBASE-12125?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16952464#comment-16952464
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HBase QA commented on HBASE-12125:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m
0s{color} | {color:blue} Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red} 0m 8s{color}
| {color:red} HBASE-12125 does not apply to master. Rebase required? Wrong
Branch? See
https://yetus.apache.org/documentation/in-progress/precommit-patchnames for
help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | HBASE-12125 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12895999/HBASE-12125.v4.master.patch
|
| Console output |
https://builds.apache.org/job/PreCommit-HBASE-Build/957/console |
| versions | git=2.17.1 |
| Powered by | Apache Yetus 0.11.0 https://yetus.apache.org |
This message was automatically generated.
> Add Hbck option to check and fix WAL's from replication queue
> -------------------------------------------------------------
>
> Key: HBASE-12125
> URL: https://issues.apache.org/jira/browse/HBASE-12125
> Project: HBase
> Issue Type: Bug
> Components: hbck, hbck2, Replication
> Affects Versions: 3.0.0, 2.3.0, 1.6.0, hbase-operator-tools-1.1.0
> Reporter: Virag Kothari
> Assignee: Vincent Poon
> Priority: Critical
> Attachments: HBASE-12125.v1.master.patch,
> HBASE-12125.v2.master.patch, HBASE-12125.v3.master.patch,
> HBASE-12125.v4.master.patch
>
>
> The replication source will discard the WAL file in many cases when it
> encounters an exception reading it . This can cause data loss
> and the underlying reason of failed read remains hidden. Only in certain
> scenarios, the replication source should dump the current WAL and move to the
> next one.
> This JIRA aims to have an hbck option to check the WAL files of replication
> queues for any inconsistencies and also provide an option to fix it.
> The fix can be to remove the file from replication queue in zk and from the
> memory of replication source manager and replication sources.
> A region server endpoint call from the hbck client to region server can be
> used to achieve this.
> Hbck can be configured with the following options:
> -softCheckReplicationWAL : Tries to open only the oldest WAL (the WAL
> currently read by replication source) from replication queue. If there is a
> position associated, it also seeks to that position and reads an entry from
> there
> -hardCheckReplicationWAL: Check all WAL paths from replication queues by
> reading them completely to make sure they are ok.
> -fixMissingReplicationWAL: Remove the WAL's from replication queues which are
> not present on hdfs
> -fixCorruptedReplicationWAL: Remove the WAL's from replication queues which
> are corrupted (based on the findings from softCheck/hardCheck). Also the
> WAL's are moved to a quarantine dir
> -rollAndFixCorruptedReplicationWAL - If the current WAL is corrupted, it is
> first rolled over and then deals with it in the same way as
> -fixCorruptedReplicationWAL option
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