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From "Brahma Reddy Battula (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-12248) SNN will not upload fsimage on IOE and Interrupted exceptions
Date Thu, 17 Aug 2017 08:54:02 GMT

     [ https://issues.apache.org/jira/browse/HDFS-12248?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Brahma Reddy Battula updated HDFS-12248:
----------------------------------------
    Attachment: HDFS-12248-003.patch

[~vinayrpet] thanks for taking a look.. Uploaded the patch fix the applicable {{checkstyle}}
issues. Kindly review.

> SNN will not upload fsimage on IOE and Interrupted exceptions
> -------------------------------------------------------------
>
>                 Key: HDFS-12248
>                 URL: https://issues.apache.org/jira/browse/HDFS-12248
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: rolling upgrades
>            Reporter: Brahma Reddy Battula
>            Assignee: Brahma Reddy Battula
>            Priority: Critical
>         Attachments: HDFS-12248-002.patch, HDFS-12248-003.patch, HDFS-12248.patch
>
>
> Related to  HDFS-9787. When fsimage uploading to ANN, if there is any interrupt or IOE
comes {{isPrimaryCheckPointer}} set to {{false}}.Rollingupgrade triggered same time then It
does the checkpoint without sending the fsimage since {{sendRequest}} will be {{false}}.
> So,here {{rollback}} image will not sent to ANN.
> {code}
>       } catch (ExecutionException e) {
>         ioe = new IOException("Exception during image upload: " + e.getMessage(),
>             e.getCause());
>         break;
>       } catch (InterruptedException e) {
>         ie = e;
>         break;
>       }
>     }
>     lastUploadTime = monotonicNow();
>     // we are primary if we successfully updated the ANN
>     this.isPrimaryCheckPointer = success;
> {code}



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