FAQ
Redesisn DataNode volumeMap to include all types of Replicas
------------------------------------------------------------

Key: HDFS-509
URL: https://issues.apache.org/jira/browse/HDFS-509
Project: Hadoop HDFS
Issue Type: Sub-task
Components: data-node
Reporter: Hairong Kuang
Assignee: Hairong Kuang
Fix For: 0.21.0


With the new append design, replicas at a DataNode could be in one of the five states: Finalized, ReplicaBeingWritten, ReplicaWaitingToBeRecovered, ReplicaUnderRecovery, and Temporay. This jira is to
1. define the in-memory representation of these five types of replicas
2. define the on-disk representation of these replicas
2. redefine volumeMap to include all five types of replicas and remove ongoingCreates map.

--
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.

Search Discussions

Related Discussions

Discussion Navigation
viewthread | post
Discussion Overview
grouphdfs-dev @
categorieshadoop
postedJul 28, '09 at 5:06p
activeJul 28, '09 at 5:06p
posts1
users1
websitehadoop.apache.org...
irc#hadoop

1 user in discussion

Hairong Kuang (JIRA): 1 post

People

Translate

site design / logo © 2022 Grokbase