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https://issues.apache.org/jira/browse/HDFS-14537?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16855846#comment-16855846
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Brahma Reddy Battula commented on HDFS-14537:
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[~RANith] thanks for reporting and uploading the patch.
{quote}When formatting the journal node, not clearing the cache value.
{quote}
Yes. Looks it missed. Looks there is no clear() in JournaledEditsCache.java
also .. The approach lgtm.
Minior nit:
could you change new method to private.
[~xkrogen] could also take look as you worked on HDFS-13607.
> Journaled Edits Cache is not cleared when formatting the JN
> -----------------------------------------------------------
>
> Key: HDFS-14537
> URL: https://issues.apache.org/jira/browse/HDFS-14537
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Ranith Sardar
> Assignee: Ranith Sardar
> Priority: Major
> Attachments: HDFS-14537.001.patch
>
>
> {code:java}
> private final JournaledEditsCache cache;
> {code}
> When formatting the journal node, not clearing the cache value.
> {code:java}
> void format(NamespaceInfo nsInfo, boolean force) throws IOException {
> Preconditions.checkState(nsInfo.getNamespaceID() != 0,
> "can't format with uninitialized namespace info: %s",
> nsInfo);
> LOG.info("Formatting journal id : " + journalId + " with namespace info:
> " +
> nsInfo + " and force: " + force);
> storage.format(nsInfo, force);
> refreshCachedData();
> }
> {code}
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