Hanisha Koneru created HDFS-11879:
-------------------------------------
Summary: Fix JN sync interval in case of exception
Key: HDFS-11879
URL: https://issues.apache.org/jira/browse/HDFS-11879
Project: Hadoop HDFS
Issue Type: Bug
Reporter: Hanisha Koneru
Assignee: Hanisha Koneru
Currently, if there is an exception in _JournalNodeSyncer#syncJournal_, the
sync daemon does not wait the specified interval before the next sync attempt.
In the following code block in _JournalNodeSyncer#startSyncJournalsDaemon_,
Thread.sleep should be moved to a separate try catch block from _syncJournal()_
to avoid skipping it in case of exception.
{code}
try {
if (!journal.isFormatted()) {
LOG.warn("Journal cannot sync. Not formatted.");
} else {
syncJournals();
}
Thread.sleep(journalSyncInterval);
} catch (Throwable t) {
.......
{code}
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