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Date: Tue, 1 Aug 2017 22:35:00 +0000 (UTC)
From: "Kelvin Chu (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
Message-ID: <JIRA.13085813.1499641297000.67125.1501626900889@Atlassian.JIRA>
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References: <JIRA.13085813.1499641297000@Atlassian.JIRA> <JIRA.13085813.1499641297550@jira-lw-us.apache.org>
Subject: [jira] [Assigned] (HDFS-12107) FsDatasetImpl#removeVolumes floods
 the logs when removing the volume
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archived-at: Tue, 01 Aug 2017 22:35:04 -0000


     [ https://issues.apache.org/jira/browse/HDFS-12107?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kelvin Chu reassigned HDFS-12107:
---------------------------------

    Assignee: Kelvin Chu  (was: Haohui Mai)

> FsDatasetImpl#removeVolumes floods the logs when removing the volume
> --------------------------------------------------------------------
>
>                 Key: HDFS-12107
>                 URL: https://issues.apache.org/jira/browse/HDFS-12107
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Haohui Mai
>            Assignee: Kelvin Chu
>
> FsDatasetImpl#removeVolumes() prints all block ids on a volume when removing it, which floods the log of DN.
> {noformat}
> for (String bpid : volumeMap.getBlockPoolList()) {
>             List<ReplicaInfo> blocks = new ArrayList<>();
>             for (Iterator<ReplicaInfo> it =
>                   volumeMap.replicas(bpid).iterator(); it.hasNext();) {
>               ReplicaInfo block = it.next();
>               final StorageLocation blockStorageLocation =
>                   block.getVolume().getStorageLocation();
>               LOG.info("checking for block " + block.getBlockId() +
>                   " with storageLocation " + blockStorageLocation);
>               if (blockStorageLocation.equals(sdLocation)) {
>                 blocks.add(block);
>                 it.remove();
>               }
>             }
> {noformat}
> The logging level should be {{DEBUG}} or {{TRACE}} instead of {{INFO}}.


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