process would be better.
I'll add the request to JIRA at a minimum.
Dave
-Original Message-
From: Harsh J [mailto:ha...@cloudera.com]
Sent: Wednesday, January 30, 2013 2:32 AM
To: user@hadoop.apache.org
Subject: Re: Tricks to upgrading Sequence Files?
This is a pretty
This is a pretty interesting question, but unfortunately there isn't
an inbuilt way in SequenceFiles itself to handle this. However, your
key/value classes can be made to handle versioning perhaps - detecting
if what they've read is of an older time and decoding it appropriately
(while handling
, January 30, 2013 2:32 AM
To: user@hadoop.apache.org
Subject: Re: Tricks to upgrading Sequence Files?
This is a pretty interesting question, but unfortunately there isn't an
inbuilt way in SequenceFiles itself to handle this. However, your key/value
classes can be made to handle versioning perhaps
Anyone have any good tricks for upgrading a sequence file.
We maintain a sequence file like a flat file DB and the primary object in
there changed in recent development.
It's trivial to write a job to read in the sequence file, update the object,
and write it back out in the new format.
