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https://issues.apache.org/jira/browse/HDDS-1981?focusedWorklogId=298623&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-298623
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ASF GitHub Bot logged work on HDDS-1981:
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Author: ASF GitHub Bot
Created on: 21/Aug/19 11:55
Start Date: 21/Aug/19 11:55
Worklog Time Spent: 10m
Work Description: supratimdeka commented on pull request #1319:
HDDS-1981: Datanode should sync db when container is moved to CLOSED or
QUASI_CLOSED state
URL: https://github.com/apache/hadoop/pull/1319#discussion_r316138954
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File path:
hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/keyvalue/KeyValueContainer.java
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@@ -318,6 +326,8 @@ public void close() throws StorageContainerException {
// It is ok if this operation takes a bit of time.
// Close container is not expected to be instantaneous.
compactDB();
+ // We must sync the DB after close operation
+ flushAndSyncDB();
Review comment:
updateContainerData takes care to revert the state of the container in case
of failure.
Won't that be a problem with flushDB? If flush fails, don't we want the
container to remain Open?
Also, related question : what should be the relative order - sync first and
then change state to close, both with the writeLock held
Same question applies to quasiClose as well.
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Issue Time Tracking
-------------------
Worklog Id: (was: 298623)
Time Spent: 50m (was: 40m)
> Datanode should sync db when container is moved to CLOSED or QUASI_CLOSED
> state
> -------------------------------------------------------------------------------
>
> Key: HDDS-1981
> URL: https://issues.apache.org/jira/browse/HDDS-1981
> Project: Hadoop Distributed Data Store
> Issue Type: Bug
> Components: Ozone Datanode
> Reporter: Lokesh Jain
> Assignee: Lokesh Jain
> Priority: Major
> Labels: pull-request-available
> Time Spent: 50m
> Remaining Estimate: 0h
>
> Datanode should sync db when container is moved to CLOSED or QUASI_CLOSED
> state. This will ensure that the metadata is persisted.
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