[HDFS-5027] On startup, DN should scan volumes in parallel - ASF JIRA

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Details

Type: Improvement
Status: Closed
Priority: Major
Resolution: Fixed
Affects Version/s: 2.0.4-alpha
Fix Version/s: 2.1.0-beta
Component/s: datanode
Labels:
None

Target Version/s:

2.1.0-beta
Hadoop Flags:

Reviewed

Description

On startup the DN must scan all replicas on all configured volumes before the initial block report to the NN. This is currently done serially, but can be done in parallel to improve startup time of the DN.

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HDFS-5027.patch
24/Jul/13 00:26
3 kB
Aaron Myers

Issue Links

relates to

HDFS-5498 Improve datanode startup time

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Assignee:: Aaron Myers

Reporter:: Aaron Myers

Votes:: 0 Vote for this issue

Watchers:: 9 Start watching this issue

Dates

Created:: 24/Jul/13 00:19

Updated:: 11/Nov/13 21:29

Resolved:: 29/Jul/13 18:35