[
https://issues.apache.org/jira/browse/HDFS-445?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Nicolas Spiegelberg updated HDFS-445:
-------------------------------------
Affects Version/s: 0.20-append
Issue appeared during HBase testing. This should be pulled into the
branch-0.20-append branch.
> pread() fails when cached block locations are no longer valid
> -------------------------------------------------------------
>
> Key: HDFS-445
> URL: https://issues.apache.org/jira/browse/HDFS-445
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 0.20-append
> Reporter: Kan Zhang
> Assignee: Kan Zhang
> Fix For: 0.21.0
>
> Attachments: 445-06.patch, 445-08.patch, HDFS-445-0_20.2.patch
>
>
> when cached block locations are no longer valid (e.g., datanodes restart on
> different ports), pread() will fail, whereas normal read() still succeeds
> through re-fetching of block locations from namenode (up to a max number of
> times).
--
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.
