[#HADOOP-3001] FileSystems should track how many bytes are read and written

Hadoop Common

FileSystems should track how many bytes are read and written

Created: 11/Mar/08 10:16 PM Updated: 21/May/08 08:06 PM

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Component/s:

Affects Version/s:

None

Fix Version/s:

0.17.0

Time Tracking:

Not Specified

File Attachments:

File Name	Date Attached	Attached By	Size
3001-2.patch	2008-04-02 10:58 PM	Owen O'Malley	30 kB
3001-4.patch	2008-04-03 12:06 AM	Owen O'Malley	26 kB
3001-5.patch	2008-04-03 04:58 PM	Owen O'Malley	28 kB
3001-6.patch	2008-04-03 11:30 PM	Owen O'Malley	28 kB
3001.patch	2008-03-20 10:21 PM	Owen O'Malley	43 kB

Hadoop Flags:	Reviewed
Release Note:	Adds new framework map/reduce counters that track the number of bytes read and written to HDFS, local, KFS, and S3 file systems.
Resolution Date:	04/Apr/08 03:30 AM

Description

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It would be nice if the file systems could track the number of bytes read and written for each class of FileSystem. Map/Reduce could then report these numbers back as counters to provide information about how much data is read and written.

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