[#HADOOP-1979] fsck on namenode without datanodes takes too much time

Hadoop Common

fsck on namenode without datanodes takes too much time

Created: 02/Oct/07 12:00 AM Updated: 08/Jul/09 04:42 PM

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Component/s:

None

Affects Version/s:

0.17.1

Fix Version/s:

0.17.1

Time Tracking:

Not Specified

File Attachments:

	File Name	Date Attached	Attached By	Size
	HADOOP-1979.patch	2008-04-16 10:36 PM	Lohit Vijayarenu	2 kB

Hadoop Flags:	Reviewed
Release Note:	Improved performance of {{fsck}} by better management of the data stream on the client side.
Resolution Date:	19/Jun/08 03:01 AM

Description

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Once in a while , we want to debug by bringing up the namenode without any datanodes. dfs -ls/-lsr works, but fsck / takes too much time. (at least 10 times more) Most likely from ~~HADOOP-943~~ that I requested. If this is the case, it would be nice if we can have an option for disabling it for this special case.

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Lohit Vijayarenu made changes - 11/Apr/08 04:37 PM

Field	Original Value	New Value
Assignee		lohit vijayarenu [ lohit ]

Lohit Vijayarenu made changes - 16/Apr/08 10:36 PM

Attachment

HADOOP-1979.patch [ 12380340 ]

Lohit Vijayarenu made changes - 16/Apr/08 11:25 PM

Release Note		This JIRA tries to improve performance of fsck in cases where lot of information is printed by using buffer at client end.
Fix Version/s		0.18.0 [ 12312972 ]
Affects Version/s		0.18.0 [ 12312972 ]

Lohit Vijayarenu made changes - 17/Apr/08 12:16 AM

Status

Open [ 1 ]

Patch Available [ 10002 ]

Owen O'Malley made changes - 23/Apr/08 07:02 AM

Resolution		Fixed [ 1 ]
Hadoop Flags		[Reviewed]
Status	Patch Available [ 10002 ]	Resolved [ 5 ]

Arun C Murthy made changes - 18/Jun/08 10:52 PM

Status	Resolved [ 5 ]	Reopened [ 4 ]
Resolution	Fixed [ 1 ]

Arun C Murthy made changes - 18/Jun/08 10:52 PM

Affects Version/s	0.18.0 [ 12312972 ]
Affects Version/s		0.17.1 [ 12313190 ]

Mukund Madhugiri made changes - 19/Jun/08 01:00 AM

Fix Version/s	0.18.0 [ 12312972 ]
Fix Version/s		0.17.1 [ 12313190 ]

Nigel Daley made changes - 19/Jun/08 03:01 AM

Status	Reopened [ 4 ]	Resolved [ 5 ]
Resolution		Fixed [ 1 ]

Robert Chansler made changes - 22/Jul/08 05:18 PM

Release Note

This JIRA tries to improve performance of fsck in cases where lot of information is printed by using buffer at client end.

Improved performance of {{fsck}} by better management of the data stream on the client side.

Owen O'Malley made changes - 08/Jul/09 04:42 PM

Component/s

dfs [ 12310710 ]