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https://issues.apache.org/jira/browse/HDFS-14537?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16867236#comment-16867236
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Wei-Chiu Chuang edited comment on HDFS-14537 at 6/19/19 5:35 AM:
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This fixes a bug in HDFS-12943 (Consistent Reads from Standby Node). So push to
trunk for now. If HDFS-12943 ever gets backported into lower branches this one
should go in as well.
Thanks [~RANith] for the patch and [~brahmareddy] and [~xkrogen] for the review.
was (Author: jojochuang):
This fixes a bug in HDFS-12943 (Consistent Reads from Standby Node). So push to
trunk for now. If HDFS-12943 ever gets backported into lower branches this one
should go in as well.
> 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
> Affects Versions: 3.3.0
> Reporter: Ranith Sardar
> Assignee: Ranith Sardar
> Priority: Major
> Fix For: 3.3.0
>
> Attachments: HDFS-14537.001.patch, HDFS-14537.002.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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