[jira] [Commented] (HBASE-8540) SnapshotFileCache logs too many times if snapshot dir doesn't exists

["Matteo Bertozzi (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-8540?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13656564#comment-13656564 ] 

Matteo Bertozzi commented on HBASE-8540:
----------------------------------------

My guess is that we should care about the missing dir just when we got a non empty directory in the previous run...
{code}
if (this.cache.size() > 0) {
  LOG.error("Snapshot directory: " + snapshotDir + " doesn't exist");
}
{code}

any other thoughts?
                
> SnapshotFileCache logs too many times if snapshot dir doesn't exists
> --------------------------------------------------------------------
>
>                 Key: HBASE-8540
>                 URL: https://issues.apache.org/jira/browse/HBASE-8540
>             Project: HBase
>          Issue Type: Bug
>          Components: snapshots
>            Reporter: Matteo Bertozzi
>            Assignee: Matteo Bertozzi
>            Priority: Trivial
>
> On a cluster with "hbase.snapshot.enabled" true, the /hbase/.hbase-snapshot directory will not exists until a first snapshot will get created.
> meanwhile the SnapshotFileCache (snapshot cleaner) will keep print out as error that the snapshot dir doesn't exists every N seconds ("hbase.master.hfilecleaner.plugins.snapshot.period")
> {code}
> LOG.error("Snapshot directory: " + snapshotDir + " doesn't exist");
> {code}

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