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From Himanshu Vashishtha <vashishth...@gmail.com>
Subject Re: try to read content of stored file
Date Thu, 09 Sep 2010 21:04:39 GMT
just a minor point:

./bin/hbase org.apache.hadoop.hbase.io.hfile.HFile -v -f  <file name>
where filename should be the configured fs (local/hdfs). "-f" option is
necessary to read a given file. In case one gives wrong dfs, it will give
error.

hbase org.apache.hadoop.hbase.io.hfile.HFile -vf
hdfs://localhost:54310/hbase/elemTable/93505166/positionFamily/7224251540989841115
| more
Scanning ->
hdfs://localhost:54310/hbase/elemTable/93505166/positionFamily/7224251540989841115
Scanned kv count -> 301036

hbase org.apache.hadoop.hbase.io.hfile.HFile -vf
fake://localhost:54310/hbase/elemTable/93505166/positionFamily/7224251540989841115ds
| more
java.lang.IllegalArgumentException: Wrong FS:
fake://localhost:54310/hbase/elemTable/93505166/positionFamily/7224251540989841115ds,
expected: hdfs://localhost:54310
    at org.apache.hadoop.fs.FileSystem.checkPath(FileSystem.java:310)


2010/9/9 Stack <stack@duboce.net>

> Just pass the path as an argument.  For example if the file i sin
> current directory named 5319664235715793176:
>
> $ ./bin/hbase org.apache.hadoop.hbase.io.hfile.HFile -v -f
> ./5319664235715793176
>
> St.Ack
>
> 2010/9/8  <y_823910@tsmc.com>:
> > Meantime, copy the file down from hdfs and pass it to the script (w/
> > the -f and -v flags)
> >
> > I've copy the file from hdfs to my local machine.
> > but sorry! I don't know how to pass it to the script w/ the -f and -v
> > flags.
> > Could you give me a example.
> > Thank you very much
> >
> >
> >
> >
> >
> >                      saint.ack@gmail.c
> >                      om                       To:
> user@hbase.apache.org
> >                      Sent by:                 cc:      (bcc:
> Y_823910/TSMC)
> >                      saint.ack@gmail.c        Subject: Re: try to read
> content of stored file
> >                      om
> >
> >
> >                      2010/09/09 02:14
> >                      PM
> >                      Please respond to
> >                      user
> >
> >
> >
> >
> >
> >
> > Looks like you need to pass -f so:
> >
> > $ ./bin/hbase org.apache.hadoop.hbase.io.hfile.HFile -v -f
> >
> hdfs://x:9000/hbase/TestTable/efeb1bab2d99b205ec8837fc40d7010a/info/5319664235715793176
> >
> >
> > ... but then you'll probably get this:
> >
> > java.lang.IllegalArgumentException: Wrong FS.....
> >
> > I'll fix this in TRUNK
> >
> > Meantime, copy the file down from hdfs and pass it to the script (w/
> > the -f and -v flags).
> >
> > St.Ack
> >
> >
> >
> > 2010/9/8  <y_823910@tsmc.com>:
> >> /bin/hbase org.apache.hadoop.hbase.io.hfile.HFile -v
> >> hdfs://10.81.47.41:9000/hbase/TEST/1418428042/DSMP/4759508618286845475
> >> I added -v . but still nothing found on the screen!
> >>
> >>
> >>
> >>
> >>                      saint.ack@gmail.c
> >>                      om                       To:
> > user@hbase.apache.org
> >>                      Sent by:                 cc:      (bcc:
> > Y_823910/TSMC)
> >>                      saint.ack@gmail.c        Subject: Re: try to read
> > content of stored file
> >>                      om
> >>
> >>
> >>                      2010/09/09 01:56
> >>                      PM
> >>                      Please respond to
> >>                      user
> >>
> >>
> >>
> >>
> >>
> >>
> >> Add -v?
> >> St.Ack
> >>
> >> On Wed, Sep 8, 2010 at 10:53 PM,  <y_823910@tsmc.com> wrote:
> >>> Hi,
> >>> I didn't see any output after running following commands.
> >>> Any idea?
> >>> Thank you
> >>>
> >>> /bin/hbase org.apache.hadoop.hbase.io.hfile.HFile
> >>> hdfs://10.81.47.41:9000/hbase/TEST/1418428042/DSMP/4759508618286845475
> >>> /bin/hbase org.apache.hadoop.hbase.io.hfile.HFile
> >>> /hbase/TEST/1418428042/DSMP/4759508618286845475
> >>> /bin/hbase org.apache.hadoop.hbase.io.hfile.HFile
> >>> hdfs://cc11:9000/hbase/TEST/1418428042/DSMP/4759508618286845475
> >>>
> >>> Fleming Chiu(邱宏明)
> >>> Be Veg! Go Green! Save the planet!
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>                      saint.ack@gmail.c
> >>>                      om                       To:
> >> user@hbase.apache.org
> >>>                      Sent by:                 cc:      (bcc:
> >> Y_823910/TSMC)
> >>>                      saint.ack@gmail.c        Subject: Re: try to read
> >> content of stored file
> >>>                      om
> >>>
> >>>
> >>>                      2010/09/09 11:50
> >>>                      AM
> >>>                      Please respond to
> >>>                      user
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>
> >>> Try this tool:
> >>>
> >>> $ ./bin/hbase org.apache.hadoop.hbase.io.hfile.HFile
> >>>
> >>> Doing the above dumps out usage.  You can pass a filename -- specify
> >>> it fully with its hdfs schema as in hdfs://a:9000/hbase/.META./12/34
> >>> -- or pass the name of a region and it'll dump all therein.
> >>>
> >>> Let us know if its not working for you.
> >>>
> >>> St.Ack
> >>>
> >>> 2010/9/8  <y_823910@tsmc.com>:
> >>>>
> >>>> Hi there,
> >>>>
> >>>> I am very curious about the content of Hbase store file.
> >>>> Try to read it by HDFS java API, but it's hard to understand these
> data
> >>> due
> >>>> to alot of invisible codes.
> >>>> Any suggestion?
> >>>>
> >>>>
> >>>> Fleming Chiu(邱宏明)
> >>>> Be Veg! Go Green! Save the planet!
> >>>>
> >>>>
> >>>>
> >>
> >
> ---------------------------------------------------------------------------
> >>>
> >>>>                                                         TSMC PROPERTY
> >>>>  This email communication (and any attachments) is proprietary
> >>> information
> >>>>  for the sole use of its
> >>>>  intended recipient. Any unauthorized review, use or distribution by
> >>> anyone
> >>>>  other than the intended
> >>>>  recipient is strictly prohibited.  If you are not the intended
> >>> recipient,
> >>>>  please notify the sender by
> >>>>  replying to this email, and then delete this email and any copies of
> > it
> >>>>  immediately. Thank you.
> >>>>
> >>
> >
> ---------------------------------------------------------------------------
> >>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>
> >>>
> >>>
> >>>
> >>>
> >>
> >
> ---------------------------------------------------------------------------
> >>>                                                         TSMC PROPERTY
> >>>  This email communication (and any attachments) is proprietary
> >> information
> >>>  for the sole use of its
> >>>  intended recipient. Any unauthorized review, use or distribution by
> >> anyone
> >>>  other than the intended
> >>>  recipient is strictly prohibited.  If you are not the intended
> >> recipient,
> >>>  please notify the sender by
> >>>  replying to this email, and then delete this email and any copies of
> it
> >>>  immediately. Thank you.
> >>>
> >>
> >
> ---------------------------------------------------------------------------
> >>>
> >>>
> >>
> >>
> >>
> >>
> >>
> >
> ---------------------------------------------------------------------------
> >>                                                         TSMC PROPERTY
> >>  This email communication (and any attachments) is proprietary
> > information
> >>  for the sole use of its
> >>  intended recipient. Any unauthorized review, use or distribution by
> > anyone
> >>  other than the intended
> >>  recipient is strictly prohibited.  If you are not the intended
> > recipient,
> >>  please notify the sender by
> >>  replying to this email, and then delete this email and any copies of it
> >>  immediately. Thank you.
> >>
> >
> ---------------------------------------------------------------------------
> >>
> >>
> >>
> >>
> >
> >
> >
> >
> >
>  ---------------------------------------------------------------------------
> >                                                         TSMC PROPERTY
> >  This email communication (and any attachments) is proprietary
> information
> >  for the sole use of its
> >  intended recipient. Any unauthorized review, use or distribution by
> anyone
> >  other than the intended
> >  recipient is strictly prohibited.  If you are not the intended
> recipient,
> >  please notify the sender by
> >  replying to this email, and then delete this email and any copies of it
> >  immediately. Thank you.
> >
>  ---------------------------------------------------------------------------
> >
> >
> >
> >
>

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