hadoop-hdfs-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Jing Zhao (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-7340) make rollingUpgrade start/finalize idempotent
Date Tue, 04 Nov 2014 18:15:34 GMT

     [ https://issues.apache.org/jira/browse/HDFS-7340?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Jing Zhao updated HDFS-7340:
    Attachment: HDFS-7340.001.patch

Thanks Suresh and Nicholas for the review. Update the patch to address Suresh's comments.

bq. add Idempotent annotation to the method

The ClientProtocol#rollingUpgrade has already been annotated as idempotent before the fix.

> make rollingUpgrade start/finalize idempotent
> ---------------------------------------------
>                 Key: HDFS-7340
>                 URL: https://issues.apache.org/jira/browse/HDFS-7340
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: ha
>    Affects Versions: 2.4.0
>            Reporter: Arpit Gupta
>            Assignee: Jing Zhao
>         Attachments: HDFS-7340.000.patch, HDFS-7340.001.patch
> I was running this on a HA cluster with dfs.client.test.drop.namenode.response.number
set to 1. So the first request goes through but the response is dropped. Which then causes
another request which fails and says a request is already in progress. We should add retry
cache support for this.

This message was sent by Atlassian JIRA

View raw message