[HDFS-11094] Send back HAState along with NamespaceInfo during a versionRequest as an optional parameter - ASF JIRA

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Details

Type: Bug
Status: Resolved
Priority: Major
Resolution: Fixed
Affects Version/s: None
Fix Version/s: 2.8.0, 3.0.0-alpha2
Component/s: datanode
Labels:
None

Target Version/s:

2.8.0, 3.0.0-alpha2
Hadoop Flags:

Reviewed

Description

The datanode should know which NN is active when it is connecting/registering to the NN. Currently, it only figures this out during its first (and subsequent) heartbeat(s) and so there is a period of time where the datanode is alive and registered, but can't actually do anything because it doesn't know which NN is active. A byproduct of this is that the MiniDFSCluster will become active before it knows what NN is active, which can lead to NPEs when calling getActiveNN().

Attachments

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HDFS-11094.001.patch
02/Nov/16 20:12
0.9 kB
Eric Badger
HDFS-11094.002.patch
10/Nov/16 20:09
11 kB
Eric Badger
HDFS-11094.003.patch
10/Nov/16 20:24
12 kB
Eric Badger
HDFS-11094.004.patch
11/Nov/16 21:57
12 kB
Eric Badger
HDFS-11094.005.patch
15/Nov/16 17:10
9 kB
Eric Badger
HDFS-11094.006.patch
15/Nov/16 22:16
11 kB
Eric Badger
HDFS-11094.007.patch
18/Nov/16 17:20
11 kB
Eric Badger
HDFS-11094.008.patch
22/Nov/16 21:26
15 kB
Eric Badger
HDFS-11094.009.patch
23/Nov/16 14:46
15 kB
Eric Badger
HDFS-11094.009-b2.patch
06/Dec/16 17:25
18 kB
Eric Badger
HDFS-11094.010.patch
08/Dec/16 23:11
17 kB
Eric Badger
HDFS-11094.010-b2.patch
08/Dec/16 23:06
17 kB
Eric Badger
HDFS-11094.011.patch
09/Dec/16 16:48
17 kB
Eric Badger
HDFS-11094-branch-2.011.patch
15/Dec/16 20:25
18 kB
Eric Badger

Activity

People

Assignee:: Eric Badger

Reporter:: Eric Badger

Votes:: 0 Vote for this issue

Watchers:: 7 Start watching this issue

Dates

Created:: 02/Nov/16 18:20

Updated:: 20/Dec/16 22:35

Resolved:: 15/Dec/16 23:01